Political Economic Situation of HK Research Paper

Political Economic Situation of HK - Research Paper Example The China National Tourism Administration has stopped tourists under package tours from visiting HK. The results have been the shortcomings in the economy as 30 percent of Chinese visitors travel via package tours. However, the stoppage of package tours is a temporary measure and does not point to the long-term structural change in China. It does not also mean that the Chinese government would cut the Individual Visitors Scheme   as it is one of the China’s bigger plans for integration with Hong Kong. Therefore, the movement has no long-term impacts on the economy. However, its long-term political and social effects can lead to long-term economic results.Nonetheless, protests that have become more frequent are likely to erode the appeal of Hong Kong to global firms. Hang Seng index, the local stock market benchmark, has tumbled over 9% since hitting a peak in six months in September. The Hong Kong Monetary Authority revealed that banks have closed down 44 branches because of the protests. The situation of the city can thus push away investors as most sectors, as the financial markets are not operating normally. Most people who could be working are in the streets, protesting. According to the Citigroup economist, investors and businesses are in an environment; that is increasingly creating higher operational risks. The movement seems disorderly to most foreigners and has thus created a negative perception of Hong Kong and mainland China.Despite the results of the protests, Chinese government has shown no sign of relenting.

Roe Vs. Wade Essay Example for Free

Roe Vs. Wade Essay Roe v. Wade is a United States Supreme Court case in the year 1973 that resulted in a landmark verdict regarding abortion. According to the Roe decision, most laws against abortion in the United States violated one of the most important fundamental constitutional right – right to privacy. The verdict overturned all state and federal laws banning or restricting abortion that were found to be incompatible or inconsistent with its holding. Roe Vs Wade case raised huge controversies. It is considered to be is one of the most controversial and politically significant cases in the history of U. S. Supreme Court. It gathered huge historical significance. The central verdict that came out of the Roe Vs Wade case made abortion permissible for any cause that a women shows, up until the point at which fetus becomes viable or potentially able to survive outside the mother’s womb. The Court’s verdict also permitted abortion after viability for those cases, where abortion becomes necessary to protect a woman’s health. The Supreme Court decision in Roe v. Wade was incorrect legally and constitutionally.   Ã‚  Ã‚  Ã‚   The Roe Vs Wade decision prompted huge debate on several issues regarding abortion on a national level. Debated issues include whether abortion should be illegal; if abortion is deemed to be illegal, then to what extent it should be illegal; who has the authority to decide whether or not abortion is illegal; what kind of methods the Supreme Court should use in constitutional settlement; and what should be the role of religious, or moral views in area of politics. Many people expressed their dissents on the verdict of Roe Vs Wade case. For example, associate justice Byron R. White gave vigorous dissenting opinion over the Court’s decision. What he suggested is that although one might agree with the court’s values and priorities, there is no constitutional justification for imposing such an order of priorities on the people and legislatures of the states.[1]   Ã‚  Ã‚  Ã‚  Ã‚   Roe Vs Wade has been criticized immensely on various grounds. One of the major criticisms is that inviolability and personhood have not been satisfactorily recognized. The argument of some of the pro- life supporter is that life begins the moment mother conceives, therefore, the fetus should be provided legal protection. Other pro-life supporter’s argument is that, when there is lack of exact knowledge of when life begins, the best thing to do is just to avoid the risk of doing harm. The decision is also criticized on the ground that the decision has no constitutional foundation. The supporters of the decision, however, challenge this criticism by arguing that the decision has a valid constitutional foundation, and the justification of it could be found in the constitution, not in the articles referenced in the decision. In spite of having been criticized so much against its decision, the Supreme Court, however, struck down numerous restraints on abortion imposed by states in a long series of cases stretching from the mid 1970s to the late of 1980’s. Legal basis of the criticism   Ã‚  Ã‚  Ã‚  Ã‚   Roe Vs Wade is more of a legal issue rather than a moral and religious one on the public ground, even if moral and religious values are strongly related to the question. Therefore, if Roe vs. Wade is to be defeated and revoked, it has to be examined on a solid juridical ground and have has to show that the decision has violated a basic legal principle, bound up in the Constitution of the United States. Therefore, a clear idea about the whole history of jurisprudence of America comes to our help in examining legal justification of the Roe Vs wade decision.   Ã‚  Ã‚  Ã‚   The abortion issue, on legal ground, is not actually a right to life issue; it is in fact a right not-to-be-killed issue. The Right not-to-be-killed is part of a larger right- the right of dominion. It is the law of dominion that is the basis of all constitutional government states. The law states that as a human being, one has dominion over his or her total person, as well as the free exercise of that dominion, a right given to him by the very Law of Nature. This law guarantees the right to dominion in any constitutional state. The purpose of all human law is to protect this right, to defend it whenever denied or ignored by any action of government or someone else. When one talks about liberty, he or she actually speak of his or her freedom to the right of dominion over his or her person, in his or her beginnings as a human being and in those stages of human growth by which he or she emerges into the human community. A human being emerges in the human community by the process of conception, i.e. conception is the starting point of one’s existence in the human community. One person has dominion over his or her person from the very first moment of his or her existence, and in the initial stages of growth, when one cannot exercise that dominion by himself or herself, it is kept in trust by his or her parents and by the law.   Ã‚  Ã‚  Ã‚   Roe vs. Wade, however, has given another human being, basically one’s mother, and rights over one’s personhood in the embryonic moment, a right that permits the termination of his or her existence. Roe vs. Wade has actually placed the right of dominion over the unborn human being in the hands of the mother, and it has been done under the claim of the right to privacy. Consequently, Roe Vs Wade decision has provided mothers with the right to destroy the life of the unborn. The right of dominion, however, belongs to a human being from the very first moment of his or her existence as mentioned earlier. The function of law and the parent is only to protect this right. That is the bottom line of the legal challenge to Roe vs. Wade. The Supreme Court gave its verdict unlawfully in granting to a woman the right of dominion over her unborn child. That dominion belongs lawfully only to the unborn child.   Ã‚  Ã‚   Embryonic Law, then, has been set up upon the Law of Dominion, the basic law of every Western system of jurisprudence and this Law states. This acts as the basis of any legal confrontation to Roe vs. Wade. It is on this ground that the debate over abortion takes place. The debate is not a Catholic or religious issue, but a human and legal one. Some viewpoints on Roe Vs Wade:   Ã‚  Ã‚  Ã‚   While some reporters and journalists may argue that abortion has not been identified as murder by the law and therefore such an opinion is entirely based on the fact that whatever court decides is to be accepted or taken for granted and that is the sole law. According to Frank Morriss, â€Å"It is the same philosophy that dominates the present U.S. Supreme Court, and contradicts the philosophy that declares that all men possess certain unalienable rights given by their Creator.†[2]   Morriss also argues as follows:   Ã‚  Ã‚   â€Å"What is democratic about the majority of a nine-person court declaring the killing of the unborn not to be murder, or in fact not to be illegal in any way at all? Those in authority being answerable to nothing but their own intellects and will is not democratic; it is a dictatorship of the arbitrary. Mere opinion, whether that of a legislature, or the majority of a court bench, or in fact of the populace as a whole cannot determine right or wrong, truth or nontruth, justice or injustice.†[3]   Ã‚  Ã‚  Ã‚   Some views, as upheld by Stevens Clifford says that the verdict was one sided –â€Å"The abortion issue is a national dispute, a dispute between those who oppose abortion and the members of the NARAL, the National Organization of Women and Planned Parenthood. At this point in adjudicating the dispute, only one side of the issue has really been heard, the views of those who support abortion. The only history of the question that has been examined, or even aired, is the history of the abortion laws, with an erroneous conclusion drawn from those laws.†   Ã‚  Ã‚   The annual March for Life rally in January 2008 took place stood against the least restrictive abortion laws of the Supreme Court. According to the President of the rally, Nellie Gray, referred to the judgment as the genocide pre-born and said, â€Å"We have a genocide because, after 35 years, it’s estimated that 48 million pre-born children have been killed†¦ So we’re coming together at the nation’s capital once more to petition Congress to enact legislation to stop the genocide here.[4] However the establishment media does not talk much about these marches.   Ã‚  Ã‚   After the verdict on the Roe v Wade case, the federal court has not decided in favor of pro-life friendly decisions and such decisions have been ‘virtually nonexistent’. John A. Boehner, representative of Ohio and the minority leader of Republican House commented, â€Å"I applaud the court for its ruling today. My hope is that it sets the stage for further progress in the fight to ensure our nations laws respect the sanctity of unborn human life.[5] Analysis of Catholics’ standpoint:   Ã‚  Ã‚   From the very moment of its initiation, it was subject to many controversies. This controversy or debate led to the evolution of two groups, namely, pro choice and pro life. The pro-choice movement extended huge support to abortion and regards that it is morally permissible. On the other hand, the pro-life movement denies the access to abortion and regards it as morally wrong. Over the time both the movement gathered their supporters and often move to the court to attain legal approval. Following these two movements even the world seems to be divided into two groups. For instance, in Canada, abortion is permissible while in Nicaragua it is strictly illegal. Some of the nations even took a midway like USA where abortion is legal but it is constrained by certain restrictions as well as certain circumstances. Though the debate on abortion encompasses issues on political consensus, infiltration of privacy, religious and ethical issues. However the ethical debate on the permissibility of abortion has been most important with most number of opposite thinkers.   Ã‚  Ã‚   According to Natural Law, five primary precepts and corresponding secondary precepts may be drawn. Abortion is not supported by two of the primary postulates Continuation of human species through reproduction (implies no abortion, contraception or homosexuality) and self preservation and preservation of the innocent (implies no abortion).[6] On the basis of Kant’s deontological moral theory it may be claimed that a person should act according to his or her duty irrespective of the consequences. In this case, we may therefore say that it is the mother’s duty to give birth to the child irrespective of what consequences she might have to endure. Thus, sticking to her duty the mother should not deviate from childbirth and hence should avoid abortion.[7] This would certainly support he Catholics’ standpoint and their activities and involvement are appreciable in dealing with the case of abortion. Their activities have brought about mass awareness and at least those who are true to their religion and roots shall certainly be averse to abortion and also assist the Catholics in their sincere efforts. Although some of the Greek philosophers like Plato and Aristotle commended abortion, the Pythagoreans criticized it and the clause of the Hippocratic Oath would help support it. The Oath states: â€Å"I will give no deadly medicine to anyone if asked, nor suggest any such counsel; and in like manner I will not give to a woman a pessary to produce abortion† and â€Å"I will neither give a deadly drug to anybody if asked for it, nor will I make a suggestion to this effect. Similarly, I will not give to a woman an abortive remedy.†[8]   Ã‚  Ã‚   The court argued on the basis of the term ‘person’ used in the 14th constitutional amendment. This may be stated as follows: â€Å"All this, together with our observation, supra, that throughout the major portion of the 19th century prevailing legal abortion practices were far freer than they are today, persuades us that the word â€Å"person,† as used in the Fourteenth Amendment, does not include the unborn.†[9]   Ã‚  Ã‚   Interestingly, if we agree with Warren’s definition of personhood then we have to disqualify two kinds of born human beings as ‘person’, namely, reversibly comatose patients and human infants. Both of them, like fetus are bereft of any of the characteristics mentioned by Warren. Warren moves further to justify her claim when she justifies even infanticide as morally acceptable under certain circumstances such as severe physical disability or in order to save the lives of a group of other infants.[10] At this point it is clear that Warren is suffering from severe complexities coming out of her thoughts. First of all, if the patients in coma especially those who are reversible, may come back to normal life as it has been seen in several medical case histories. Then, justifying his death will be the other name of killing. Miracle does happen and it is not that rare to ignore. In America, a patient in coma responded after more than 30 years. If he had denied the right to life at the very moment when he underwent the coma, then it would be denying life a chance to prove itself that it is stronger than death. Similarly, with the enormous advancement of medical science, even most severe of the physical disabilities can be cured or a supportive system can be provided so that the concerned infant, even with his disabilities, can perform most of the normal works. In a very recent issue in India, a two-year-old girl child who was attached with a parasitic twin underwent a twenty-seven hour operation to be freed from her additional outgrowths and after the operation, she is alive and seems to be behaving normally. Following Warren, if she would have been provided with a â€Å"justified medical death sentence† even with the consent of her parents, it could not be termed anything less than killing. Conclusion   Ã‚  Ã‚  Ã‚   Abortion can never be morally acceptable and it may be termed as the other name of killing. However, under certain circumstances abortion is a necessity. Therefore we may say that the decision of the Supreme Court is both legally and constitutionally incorrect. Often, after conceiving due to several complexities, the condition of the mother’s health deteriorates to that extent that moving forward with that pregnancy may only result in the death of the pregnant woman. In such a case an abortion could save the life of that woman. In case of forced pregnancy that may be out of rape, the woman must be given the liberty to choose abortion as she has been forced to carry that baby. In conclusion, we may say that a fetus is a seed of life, yet to flourish and see the lights of the sun. It has not come at its own will and the people involved knew at some point that it might happen. We cannot offer life and so we do not have the right to take it away. Moral or ethical justification of abortion seems to be a ‘Reverie of Poor Susan’ that can never be accepted under any justification. The catholic protests and the rallies have succeeded to some extent in awakening the consciousness of the media and the mass.    References 1.  Ã‚  Ã‚  Ã‚  Ã‚   â€Å"Abortion and Ethical Theory† (2008), retrieved on May 29, 2008, from: http://www.tutor2u.net/newsmanager/templates/?a=775z=62 Clifford, S. (2008) â€Å"ROE v. WADE: the Catholic Dilemma†, retrieved on May 29, 2008 from: http://www.priestsforlife.org/government/stevens4.htm Clifford, S. (2008) â€Å"The Rights Of The Unborn†, retrieved on March 24, 2008 from: http://www.priestsforlife.org/government/therightsoftheunborn.htm#basis Mass, W. (2007), â€Å"Supreme Court Upholds Partial-Birth Abortion Ban†, retrieved on May 29, 2008 from: http://thenewamerican.com/node/3526 Morriss, F.(2008) â€Å"Court Rulings Cannot Negate the Law of God†, retrieved on May 29, 2008 from: http://www.catholicculture.org/library/view.cfm?recnum=3122 Newman, A.(2008) â€Å"March for Life in D.C. Gets little Media Coverage†, The New American, retrieved on May 29, 2008 from: http://thenewamerican.com/node/6955   Ã¢â‚¬Å"Supplemental Notes on Kant†, (1999), retrieved on March 25, 2008 from: http://www.mtholyoke.edu/courses/ebarnes/205/205-sup-kant.htm Sungenis, R.A. (1993) â€Å"Abortion: The Reasons We Should be Against It: A Critique of the 1973 Supreme Court Decision, Catholic Apologetics International†, retrieved on March 25, 2008 from: http://www.catholicintl.com/epologetics/articles/pastoral/1973.htm â€Å"U.S. Supreme Court: Doe V. Bolton, 410 U.S. 179† (1973), Find Law, retrieved on March 24, 2008 from: http://caselaw.lp.findlaw.com/scripts/getcase.pl?court=USvol=410invol=179 Warren, M.A. (1973), â€Å"On the Moral and Legal Status of Abortion†. Thomas A. Mappes, David DeGrazia Biomedical Ethics, McGraw-Hill [1] â€Å"U.S. Supreme Court: Doe V. Bolton, 410 U.S. 179 (1973)†, Find Law, http://caselaw.lp.findlaw.com/scripts/getcase.pl?court=USvol=410invol=179 (March 24, 2008) [2] Morriss, Frank. â€Å"Court Rulings Cannot Negate the Law of God†, 2008, http://www.catholicculture.org/library/view.cfm?recnum=3122 (March 24, 2008) [3] Morriss, Frank. â€Å"Court Rulings Cannot Negate the Law of God†, 2008, http://www.catholicculture.org/library/view.cfm?recnum=3122 (March 24, 2008) [4] Newman, Alex. â€Å"March for Life in D.C. Gets little Media Coverage†, The New American, 2008, http://thenewamerican.com/node/6955 (March 24, 2008) [5] Mass, Warren, â€Å"Supreme Court Upholds Partial-Birth Abortion Ban†, retrieved on March 24, 2008 from: http://thenewamerican.com/node/3526 [6] â€Å"Abortion and Ethical Theory†, http://www.tutor2u.net/newsmanager/templates/?a=775z=62 (March 24, 2008) [7] Supplemental Notes on Kant, 1999, http://www.mtholyoke.edu/courses/ebarnes/205/205-sup-kant.htm (March 24, 2008) [8] Sungenis, Robert A. Abortion: The Reasons We Should be Against It: A Critique of the 1973 Supreme Court Decision, Catholic Apologetics International, 1993, http://www.catholicintl.com/epologetics/articles/pastoral/1973.htm (March 25, 2008) [9] Sungenis, Robert A. Abortion: The Reasons We Should be Against It: A Critique of the 1973 Supreme Court Decision, Catholic Apologetics International, 1993, http://www.catholicintl.com/epologetics/articles/pastoral/1973.htm (March 25, 2008) [10] Warren, Mary Ann, â€Å"On the Moral and Legal Status of Abortion†. Thomas A. Mappes, David DeGrazia Biomedical Ethics, McGraw-Hill, 1973.

Augustan Poetic Tradition Essay -- The Outlaw Seamus Heaney Poetry Ess

Augustan Poetic Tradition "I do not in fact see how poetry can survive as a category of human consciousness if it does not put poetic considerations first—expressive considerations, that is, based upon its own genetic laws which spring into operation at the moment of lyric conception." —Seamus Heaney, "The Indefatigable Hoof-taps" (1988) Seamus Heaney, the 1995 Nobel laureate, is one of the most widely read and celebrated poets now writing in English. He is also one of the most traditional. Over a decade ago, Ronald Tamplin summed up Heaney's achievement and his relation to the literary tradition in a judgment that remains sound today: "In many ways he is not an innovative poet. He has not recast radically the habitual language of poetry. He has not challenged our preconceptions with a new poetic form nor has he led us into the recognition of new rhythms and metres. Instead he has worked with what was to hand and brought to it great powers of expression and art as well as a significant subject matter" (Tamplin 1). At the same time, Sidney Burris was making a similar point: "Readers of his verse must continually remind themselves that Heaney, perhaps more so than most other contemporary poets, is a deeply literary poet, one whose consolations often lie in the invigorating strains of the poetic tradition itself" (Burri s ix). For Heaney, those strains are primarily formal. "I rhyme / To see myself, to set the darkness echoing," Heaney writes in "Personal Helicon," the final poem in his first collection, Death of a Naturalist (1966). Although rhyme here signifies, more generally, writing in verse, whether rhymed or free, Heaney is certainly drawn to rhyme and closed forms. He is especially partial to rhymed tr... ... Wilson. "The Poetry of Seamus Heaney." Critical Quarterly 16 (Spring 1974): 35-48. Fussell, Paul. Samuel Johnson and the Life of Writing. New York: W. W. Norton, 1971. Girard, Rene. Violence and the Sacred. Translated by Patrick Gregory. Baltimore: The Johns Hopkins University Press, 1977. Heaney, Seamus. Poems 1965 - 1975. New York: Farrar, Straus and Giroux, 1980. ____________. Preoccupations: Selected Prose 1968 - 1978. New York: Farrar, Straus and Giroux, 1980. O'Neill, Charles L. "Violence and the Sacred in Seamus Heaney's North." In Seamus Heaney: The Shaping Spirit. Edited by Catharine Malloy and Phyllis Carey. Newark: University of Delaware Press, 1996: 91-105. Parker, Michael. Seamus Heaney: The Making of the Poet. Iowa City: University of Iowa Press, 1993. Tamplin, Ronald. Seamus Heaney. Milton Keynes: Open University Press, 1989.

Living Together Before Marriage Essay

It is known that one out of two marriages will end in divorce. According to Dr. Harley, in â€Å"Living together before Marriage†, eighty-five percent of the divorced couples were cohabitating before marriage, otherwise known as: living together. With these kinds of statistics, why would people want to live together before they get married? It’s a perfectly logical question, with a perfectly logical explanation. Couples naturally want to know each other before they take the big plunge. Some may say, â€Å"You have to try it before you buy it†. It leads a very good point: couples should know each other before they vow to spend the rest of their lives with one another. However, it’s been proven to be more harmful than helpful to a relationship, because of the habits that are inevitably created. Whether they are good or bad, habits are hard to break and may cause problems throughout a lifetime. Cohabiting is a month-to-month agreement, says Harley, theoretically saying there is always an easy way out. People believe if things get too tough it’s easier to separate rather than divorce. Yes, this is true, but what happens when the couple decides to get married? Now, they’ve transformed their minds to be weak, to give up when the going gets tough, and to leave when things aren’t working out. That is why living together before marriage is harmful. On the other hand, married couples who have not cohabitated together have a different perspective on things, and it is easier to make decisions based on what is good for the marriage and not just for themselves. This is because they go into the marriage believing it is for life, and not a month-to-month agreement. Marriage can be tricky because the decisions that are made are no longer for yourself, they are for the good of the marriage. Cohabitating before marriage is the very source that diminishes the meaning of marriage: oneness. A marriage is when two become one, a reading from the book, One Flame. Couples who live together before marriage have a hard time understanding the concept of oneness. There is a definite single mindedness, â€Å"My problem is my problem and your problem is your problem!† Why change the current agreement, if it works? By not changing the agreement, hypothetically you’re not truly married. All of the stages are there, but they are not connected spiritually, which is the very reason couples get  married or should get married to begin with. Another reason why cohabitating can be dangerous is the slight chance the woman may become pregnant. A report from Combating Out-Of-Wedlock Births says, that â€Å"one in three children are born out-of-wedlock.† Having a child out-of-wedlock is still considered socially unacceptable. If a pregnancy were to occur, then the couple may feel obligated to get married, if not for themselves for their child. The couple may not be ready, but they have been placed in a situation where they were rushed. A marriage out of convenience or inconvenience is never a good one, the marriage is contaminated and doomed before it starts. Perhaps the most detrimental and permanent negative effects from couples living together are placed on their children. Children born out-of-wedlock are often subjected to unstable environments. Obviously their parents have their reasons why not to marry, like the old saying, â€Å"You can’t live with them and you can’t live without them!† Consequently the children are the ones who suffer, their life is forever altered. Glenn T. Stanton states in Cohabitation and Children, â€Å"For those children living with both unmarried parents, three quarters of these children will see their parents break up before they reach the age of sixteen.† The quality of life for these children is often poor, and their parents usually are of low financial standings. There is a significant increase in poverty for cohabitating parents. â€Å"The poverty rate for children with married parents is about 6%, while it is about 31% for children living with cohabiting parents†, sa ys Stanton. Cohabitating before marriage can be dangerous, however, there are a few precautions that may be taken to avoid problems in the future. If cohabitation is inevitable before marriage, then the couple should at least be engaged. This way they have announced their marriage and are committed to a date. The perspective is very similar to a real marriage, it enables you to make decisions together and has a sense of oneness. These precautions may be useful, but there’s nothing that can substitute for the real thing. Marriage alters the mind, and what once was fake now is real. Marriage is a  life-long commitment and should to be treated with a great deal of respect. Cohabitating before marriage is proven to be extremely risky. Avoiding cohabitation may not only save a marriage, but may also increase your marriages overall lifestyle.

The Influence of Early Attachments on Later Relationships

In a way, a person’s behaviors and mode of thinking towards others, either romantic or otherwise, have something to do with the emotional and psychological relationship developed during his childhood with his parents or the people who raised him. Psychologist John Bowlby said, in his Attachment Theory, that attachment is the psychological connectedness among individuals, particularly between the infant and the caregiver which is, primarily, the mother1.In his theory, Bowlby emphasizes four views: 1) very young children develop attachment to familiar caregivers who are sensitive and responsive; 2) young children explore the environment with familiar people as a secure base; 3) the attachment has continuous effect to the child’s personality development and social behaviors that will show later in his life and 4) any event that interferes with the attachment may have either a short or long-term negative impact in the life of the child.He further stresses that the child see ks the proximity or accessibility of the caregiver as a way of survival especially during troubled times. Apparently, a caregiver who is present always gives a sense of security to the child2. In her strange situation research in 1970, Psychologist Mary Ainsworth finds out that children vary in their attachment behaviors: while some toddlers can adapt and interact with anybody, other kids are either ambivalent or anxious with the presence of strangers and hesitant to explore their environment3.The psychological and emotional tie developed at early age is significant as the child may utilize this as a guiding principle or prototype for his future relationship, especially intimate love and parenting. In some cases, an attached child becomes dependent to the caregiver and may suffer anxiety upon their separation. A recent finding states that some children who experienced attachment can develop an unusual deficiency called reactive attachment disorder (RAD) which is characterized by the child’s inappropriate ways in most social interactions4.

Air and Water essays

Air and Water essays A major transition in the modern energy age began in the 1970s, when the big nations industry started to grow up rapidly. The use of oil was very important and overnight, oil prices shot through the roof, and the trend of ever-cheaper, ever-more-plentiful energy sources were in need. Another player on the modern energy stage is nuclear power. An industry that didn't exist 40 years ago is now at a huge amount of production, producing 20 percent of the nation's electricity. Ironically, the industry is fading out. New orders ceased 20 years ago, and as aging plants reach the end of their lives, they are closing, one by one. All the non-renewable energy resources have positive and negative affects to the nature. However Nuclear Energy is the most dangerous one, as we can see what happened in Chernobyl in 1986, and it is dangerous if the nations use Nuclear Energy to kill people like at the end of the world war. It is not a dream to think of solar power that is cheap enough for universal use a world full of zero-polluting electric cars. Wide-scale use of fuel cells for powering buses and other forms of public transport. Chicago and Vancouver are two cities which have pilot programs using fuel cells to power some of their public transport buses. Use of fossil fuels confined to petro-chemical products and fuel cell feedstock. Nuclear fusion or some other advanced nuclear process, supplying all base load power. (Solar) Also, there is continued interest and research into fusion power. Since fusion generates temperatures of millions of degrees, the main difficulty in developing fusion power has been in containing the heat of the reaction. Fusion is an expensive source of energy right now, but it might cost much cheaper in the near future. It is not very hard to guess that in the near future, all the energy sources will be much cheaper. The technology is changing almost everyday, it was not possible to dre ...

My Life Essays - Fiction, Narratology, Writing Style, Health, Sleep

My Life Essays - Fiction, Narratology, Writing Style, Health, Sleep My Life HEA 285 Professor KK Introduction Many people take their health for granted and underestimate the fact that at any given moment their life could be turned upside down. Good health is essential for everyday life and functions. Making sure we eat properly, sleep enough and exercise are just a few ways of improving and maintaining good health. Having good health not only affects ourselves but those around us too; family and friends. A lot of people find their life too busy for healthy food, sleep or exercise, but making the time is key to living longer and better lives. (Why health is important to my life, 1 paragraph) (Define the 6 dimensions of health, 1-3 paragraphs, then explain why these 6 are important to strive by, 2 sentences) (Give examples of how the health of America affects our country socially, economically and politically, (1-3 paragraphs) (State what behavior I changed and how it related to your own lifestyle, (1 paragraph) (Discuss how your new behavior could improve each of the 6 dimensions of health, 1-2 paragraphs) (Reasons why I wanted to change this behavior, include warning signs or events that may have prompted your decision, 1-2 paragraphs) (describe my overall goal, (1 paragraph) Plan of Action Brief Review of Literature

How Cloze Reading Can Be Used to Solidify Learning

How Cloze Reading Can Be Used to Solidify Learning Cloze reading is an instructional strategy where users are required to fill in the blanks within a passage with correct words from a word bank. Cloze reading is used to assess a students understanding of vocabulary. STAR Reading is an online assessment program that embraces cloze reading passages. Many teachers create cloze reading passages to assess student vocabulary understanding within a particular story or passage or a group of spelling words. Cloze reading passages are easily created and can be adjusted to specific content and/or grade level. Cloze Reading Passages Teachers can also have students create their own cloze reading passages as they read a story. This makes the learning more authentic. It also helps students find and make connections between key vocabulary within in the story and how their meaning enhances the story. Finally, students can exchange their cloze reading passages with other classmates. This naturally reinforces the critical components of the story including key vocabulary as students interact with each other and share what they created. This gives students ownership in the learning process. Cloze Reading as a Study Tool Cloze reading can also be used to help students study and prepare for a test. Students can be taught to create their own study guide using the cloze reading process. They can essentially build their own version of the test from their notes. As they put together the guide, it cements the content, makes the connections, and helps them remember it. Providing students with this skill will help them develop better study habits that can help them succeed throughout life. Most students struggle with test and quizzes because they do not know how to study. They simply read through their notes and call it studying. True studying is a much more rigorous and time-consuming process. Developing cloze reading passages that align to a test is one way to study more authentically. Five examples of cloze reading: 1. An elephant is a ____________________________ mammal with a trunk and large ears. A. microscopic B. enormous C. vigorous D. small 2. The radius of a circle is one-half the ___________________________________. A. circumference B. chord C. diameter D. arc 3. A dog chased a cat down the alley. Luckily, the cat was able to escape by climbing over a fence. The word alley refers to a ___________________________________? A. sidewalk running through a neighborhood B. narrow road that between buildings C. open field in a park D. long hallway connecting two parts of a building 4. ______________________________ was the twenty-seventh president of the United States of America and later became the only former president who also became a Supreme Court justice? A. George H. W. Bush B. Theodore Roosevelt C. Martin Van Buren D. William Howard Taft 5. The phrase time is money is an example of a ________________________________. A. Metaphor B. Simile C. Alliteration D. Onomatopoeia

Explaining Cinema Tickets Price Differences Essay - 1

Explaining Cinema Tickets Price Differences - Essay Example The economic principle is known as the Price Elasticity of Demand, which is â€Å"a measure of how much the quantity demanded of a good responds to a change in the price of that good.† (Mankiw, p. 90). In simple equation form: This principle can be further characterized in two ways. First, student and senior demand for cinema tickets is considered elastic because a change in ticket price has a measurable impact on the quantity demanded. (If there was little or no change in demand in response to a change in price, demand would be termed inelastic.) Also, because in the cinema situation the numerator of the equation is greater than the denominator, the absolute price elasticity of demand must be greater than 1. (If the numerator were larger than the denominator, the absolute price elasticity of demand would be less than 1.) There may be several economic-based reasons why students and seniors are highly responsive to cinema pricing. For most people, going to the cinema typically would be considered an optional, not a necessary, activity. So in deciding whether to allocate some of their income to attending the cinema most people are more likely to respond to lower prices. Also, many movies eventually are offered on television and DVD, so in deciding whether to allocated some of their income to attending the cinema, most people are more likely to respond to lower prices because they are not risking never seeing the particular movie. Moreover, compared to the average adult, students and seniors are viewed as having less income and so would be more sensitive than most people to each of the above factors and thus more likely to spend if ticket prices are lower.

Transition in Adolescent Development Essay Example | Topics and Well Written Essays - 500 words

Transition in Adolescent Development - Essay Example Many researchers have undoubtedly identified the decisive role of parents in moulding the character of their children during this transitional period. When a child is moving from primary to secondary, this is quite sure that he/she is subjected to various kinds of transitions that may affect him/her all through the life time. Therefore, regarding the parents and the teachers, they should be very vigilant and attentive in observing the transitions occurring to the children, and as such, the study of transition in adolescent development and schooling deserves greater significance. In order to examine adolescence in media, the paper seeks to gather material from Karen Thomas’ online article entitled: 12-14 Year-Olds: Transition in Adolescent Development & Schooling, published on Dec 1, 2010. The article selected for the study clearly evaluates certain aspects concerning the parental role in assuring healthy lifestyles to children. When analysing the article selected for the study , one can see that the writer was actually focusing on the transitions of the children aged in between 12-14; kids moving from primary to secondary school. Though the article was actually aimed at parents of this age group, anyone would get valuable details regarding this topic. The author has arranged this topic under various headings to help support his study.

Current Australian Issues Essay Example | Topics and Well Written Essays - 500 words

Current Australian Issues - Essay Example They try to persuade the computer novices, who barely have any idea of their computer system and are alarmed by such calls and due to their limited knowledge are inclined towards believing on such scams. The technician asks the consumer to log on to a third party website for the purpose of remote access troubleshooting to the consumer’s PC. The telemarketers go to such extents that they claim they belong to reputed computer organizations such as â€Å"Microsoft† and â€Å"Windows†. The Australian Competition and Consumer Commission (ACCC) are looking forward into investigating towards this matter and warning the consumers to remain attentive about such scams (Australian Competition and Consumer Commission). The calls come at all odd times of the day, due to the fact that the telemarketers are not from Australia. A new trend in the type of PC-related scam calls have been observed, in which the caller falsely claims to belong to some foreign government, or from the consumer’s bank and they try to convince the consumers to recover their money that they have lost in previous scams, in return for a moderate fee. This is again a fraud and the consumer ends up paying more money, without any retrieval. PC scam calls are just one genre of the telemarketing abuse. Retrieving consumer’s personal identification details also helps these scammers to provide language-specific calls. The consumer is dealt with the telemarketer of the same foreign language, in the hope of optimized persuasion strategies. Lately consumers have complained of calls by telemarketers for enrolling their kids in tuition centers for specific subjects. Another genre of scam calls relate to the religious preferences of the consumers. Consumers have been asked to join religious centers that preach certain beliefs. The idea behind these telemarketers is to scrape out as much money as they can from the consumers, by stealing their identification details, in order to

Analysis of Small Business Assignment Example | Topics and Well Written Essays - 4000 words

Analysis of Small Business - Assignment Example a) Indirect competitor: 17 b) Future competitor: 18 Recommendations 19 i. Systematisation: 20 ii. Web presence: 20 iii. Customers: 20 iv. Plan: 21 Conclusion 21 Reference 23 Bibliography 27 Introduction Small business enterprises play an important part in the economy if a country. Small businesses constitute the maximum business establishments in any country where the number of employees is less than 500. In developed countries the major portion of the business is occupied by the small business entities, whereas in developing economies it is seen as an opportunity to eliminate unemployment and poverty (Unido, 2004, p. 17). A small business enterprise is defined as an independent business entity. The small business entity is found not to be dominating the operations in its own field. A small business is different from the large business in context to its functionality and way of approaching the business market. The main objective of this research is to provide an insight about the small business. An analysis based on the strength and weakness of the small business enterprise will be part of the research. Moreover, the contribution and affect of the small business enterprises to the economy of a country will be analysed. Literature review Literature review plays an important part in any research based on a particular topic. The main focus of this research is to analyse the small business enterprises and their role in shaping the economy of a country.... The study on small businesses reveals that the owners of such enterprises do not prefer innovation or change in their functioning of business. Most of the small businesses are founded based on the established business models and practices (Stokes & Wilson, 2010, p. 34-35). Small firms are believed to have added large share of employment to a country’s economy. Most of the new jobs are added in services such as leisure and hospitality. In the study of small businesses it has been noted that most of the large enterprises faces stiff competition from the smaller firms. Though the competitions will not be matched in every aspect, still competition helps the small business firms to enhance their efficiency in terms of productivity (Pride, Hughes & Kapoor, 2011, p. 143-144). The small business enterprise is found to have certain important features which make it a different entity. The characteristics can be discussed below: Small businesses are managed in a personalised manner by th e owner of the business entity. The market share for such enterprises is small in comparison to the large business enterprises (Needham & Dransfield, 1994, p. 135). The owner holds all the power for making decision and implementing the same. The small business enterprises do not have any specific shape and size as they range from a coffee bar to a retail outlet. The large enterprise has no control over such enterprises which makes them independent in their operations. It has been noted that the number of employees in small business enterprises are significantly less than 500 or even lesser for construction business. The small business enterprises are no more confined to a particular location, but are rather going global. Globalisation has become the need of the hour and with the

Ethics Essay Example | Topics and Well Written Essays - 750 words - 2

Ethics - Essay Example The â€Å"Operation Fast and Furious† was controversial because agents were prevented from making arrest but just to continue gather evidences to make a stronger case. The ancillary ethical dilemma of the case was the invoking of Executive Privilege by President Obama that made Attorney General Eric Holder to withhold the documents that were asked by request that eventually led him to be cited for contempt by Congress at a vote of 255 to 67. 2. Present a Resolution. State specifically WHAT you’re going to do and WHY you’re doing what you’re doing to resolve each of the ethical dilemmas. Be very specific and detailed.   In implementing the â€Å"Operation Fast and Furious† I would make a time table where I would expect results that would justify the operation. One year would be a reasonable allowance to expect result whether to continue the program or not. If within one year there are encouraging arrests of the cartels, then the operation could be continued because it is serving its purpose. But if one year has lapsed and it did not satisfy its justification, then the program should be scrapped. 3. Identify which ethical system(s) support your resolution Before delving in the ethical system that I would use to support my resolution, it is important to note that Eric Holder’s â€Å"Operation Fast and the Furious† is an offshoot of Project Gunrunner which deals with criminals and cartels. Such, the ethical system that would be used in the case should be grounded on reality and pragmatism that is applicable in fighting crimes. Having said that, there are two ethical systems that I would use; first is the hypothetical imperative and the other, utilitarianism. Hypothetical imperative presupposed the necessity of a certain action depending on the conditions that would make such action as an imperative (Pollock, 2012). For example, if we want to nourish ourselves, we have to eat. In the same manner that if we want crim inality (in this case, gunrunning and the cartel) to end, then we have to do something that would put them behind bars. There may be undesirable acts that are necessary (such as letting guns walk on the street) but if the outcome outweighs the risk (utilitarian) of not interdicting illegal firearm sale and it meets the objective of arresting cartels, then the means is justified (Pollock, 2012) and I would continue the operation. In this case, I do not question the ethical ground of â€Å"Operation Fast and the Furious†. I agree with the philosophical premise of the operation of really going after the heads of the cartels to put an end to gun running once and for all (hypothetical imperative). Letting gun runners go scot free for a moment to build a stronger case may be justifiable if that would lead to the arrest of the leaders of the cartels (utilitarian). But when there are loose firearms that could not be tracked and no leaders had been arrested, it is already an indicatio n that the program â€Å"Operation Fast and the Furious† has failed and therefore must be stopped. Moreso when the guns that were sold through the program were found in violent crimes culminating in the killing of a border police officer where he was shot by a gun acquired through â€Å"Operation Fast and Furious†. 4. Integrate any material/concepts learned in the course as your resolution.

Analysis of Small Business Assignment Example | Topics and Well Written Essays - 4000 words

Analysis of Small Business - Assignment Example a) Indirect competitor: 17 b) Future competitor: 18 Recommendations 19 i. Systematisation: 20 ii. Web presence: 20 iii. Customers: 20 iv. Plan: 21 Conclusion 21 Reference 23 Bibliography 27 Introduction Small business enterprises play an important part in the economy if a country. Small businesses constitute the maximum business establishments in any country where the number of employees is less than 500. In developed countries the major portion of the business is occupied by the small business entities, whereas in developing economies it is seen as an opportunity to eliminate unemployment and poverty (Unido, 2004, p. 17). A small business enterprise is defined as an independent business entity. The small business entity is found not to be dominating the operations in its own field. A small business is different from the large business in context to its functionality and way of approaching the business market. The main objective of this research is to provide an insight about the small business. An analysis based on the strength and weakness of the small business enterprise will be part of the research. Moreover, the contribution and affect of the small business enterprises to the economy of a country will be analysed. Literature review Literature review plays an important part in any research based on a particular topic. The main focus of this research is to analyse the small business enterprises and their role in shaping the economy of a country.... The study on small businesses reveals that the owners of such enterprises do not prefer innovation or change in their functioning of business. Most of the small businesses are founded based on the established business models and practices (Stokes & Wilson, 2010, p. 34-35). Small firms are believed to have added large share of employment to a country’s economy. Most of the new jobs are added in services such as leisure and hospitality. In the study of small businesses it has been noted that most of the large enterprises faces stiff competition from the smaller firms. Though the competitions will not be matched in every aspect, still competition helps the small business firms to enhance their efficiency in terms of productivity (Pride, Hughes & Kapoor, 2011, p. 143-144). The small business enterprise is found to have certain important features which make it a different entity. The characteristics can be discussed below: Small businesses are managed in a personalised manner by th e owner of the business entity. The market share for such enterprises is small in comparison to the large business enterprises (Needham & Dransfield, 1994, p. 135). The owner holds all the power for making decision and implementing the same. The small business enterprises do not have any specific shape and size as they range from a coffee bar to a retail outlet. The large enterprise has no control over such enterprises which makes them independent in their operations. It has been noted that the number of employees in small business enterprises are significantly less than 500 or even lesser for construction business. The small business enterprises are no more confined to a particular location, but are rather going global. Globalisation has become the need of the hour and with the

Financial Decision Taking Essay Example | Topics and Well Written Essays - 3500 words

Financial Decision Taking - Essay Example The TMO is also a service-oriented firm with limited resources, such that a well-taken financial decision is critical to its organizational integrity. This essay is structured such that the succeeding sections consist of an assessment, a lineup of conceptual models, a critical evaluation and a conclusion. In the assessment section, the essay discusses the importance of financial planning in the context of TMO's organizational structure and strategic goals. The conceptual models review the available literature on the subject, while the critical evaluation attempts to relate the academic models so mentioned to the real world, meaning the TMO. As part of the conclusion, we will appraise the financial decisions and strategies most suitable for the TMO based on all the preceding data. The TMO administers a London borough consisting of 238 homes of individual designs on eight blocks of a small housing project alongside a main road. This is one of the oldest of similar setups in London, where the blocks of houses had been there as far back as 1947 such that they are in dire need of refurbishing and maintenance. Families of multi-racial origin occupy these housing units under either a tenancy or leasehold agreement, and the estate is easily accessible by bus and subway train services. This TMO became a self-governing body in April 2003, as did four other TMOs managing similar estates in the London area, when the local government compartmentalized its function of providing low-cost housing services to constituents. This fragmentation process came on the heels of the privatization binge involving local government assets and service, a major program of the national government since 1979. Now, the TMO runs the borough through a management committee headed by an operatio ns manager and supported by a six-man staff. The turnover of housing functions to TMO was part of the central government's cost-cutting program and strategy of getting politics out of social services, which tended to hamper activities in this area when local authorities were in control. Thus, management of the housing funds was shifted to agencies, which would be more accountable at the central level and less accountable to local political forces (Cairncross & Calpham). In ceding the function to the TMOs, however, the local authorities set the ground rules that exhort the former to utilize "creative accounting measures." These include; 1) building up a revenue balance to regular the yearly expenditures; 2) sale of suitable assets to generate income for use as capital expenditure; 3) rescheduling existing debts; 4) capitalizing the expenditure on such activities as repair and modernization previously

Organizational Theory Essay Example for Free

Organizational Theory Essay 1. Develop your understanding of the nature of the key organisation perspectives and their related theories; 2. Demonstrate an understanding of the key perspectives and the meta-theoretical assumptions that underpin each; 3. Demonstrate an appreciation of the relationship between perspectives and their respective theories; 4. Develop research skills and the ability to assess the strengths and weaknesses of various debates and arguments; 5. Gain skills in the written presentation of an argument, including the ways in which scholars incorporate and acknowledge the ideas of other writers. Criteria for assessment For this assignment your essay will be assessed on the extent to which it demonstrates: 1. Your ability to present a clear, compelling, well-presented and properly referenced argument. 2. Your ability to respond directly to the key issues raised by the question. 3. Your ability to engage with the work of other authors and extract relevant detail and explanation. 4. Your ability to assess the arguments and debates of and between other authors and incorporate them into your response. QUESTION: What are the advantages and disadvantages of a multi-perspective approach to understanding organisations? In answering the question you will need to engage with the nature of the various perspectives and how they enable and limit our understanding of organisations. In answering the essay question you must focus explicitly on the key issues identified in the question. A failure to follow this and the following instructions will result in a significant loss of marks. Presenting your answer: Please use headings with care. It is better to avoid using them in an essay but if you must, please keep them to a minimum and ensure that they enhance rather than undermine your argument. In order to construct a logical response to the question the following structure is suggested. You do not need to use the provided headings (see above comment regarding ‘headings’) and the structure itself is not mandatory. But, if you are going to use an alternative structure please ensure that it enables you to present a clear and direct response to the question asked. In answering the essay question you must focus explicitly on the key issues identified in the question. Introduction: In this section you must provide an overview of your answer to the question; provide answers to the key what and why questions of your argument/answer. These should take the form of direct responses to the key issues raised by the question. Your argument should be informed by a critical analysis of the content of the key readings. Please keep in mind that in all sections of your response you must move past description to analysis, this means providing answers to the why questions that emerge from your key statements. Exploration of your argument: In this section of the essay you need to accomplish two tasks. First, you must explore the key perspectives showing how each is underpinned by different assumptions that determine the way organisations are interpreted and understood. You must also address the theoretical implications of these various ways of seeing and how they enable and limit our understanding of organisations. Second, having demonstrated an understanding of the perspectives and their theoretical implications you need to evaluate the different arguments for and against a multi-perspective approach to understanding organisations. This evaluation must draw on and relate to your discussion about the individual perspectives and how they enable and limit our understanding of organisations. The whole response must be informed by an engagement with relevant sources, especially the textbook and the readings provided on the Blackboard. You must draw upon and evaluate academic debates and arguments. This is not to be viewed as an exercise in which you make up a response off-the-top-of-your-head. Conclusion: You must conclude with your general answer to the question. It should reiterate the key argument and answer to the question provided in the introduction and indicate to what extent it has been supported or challenged by your analysis of the debates and arguments of other authors. ADDITIONAL GUIDENCE: – This essay question has been designed to encourage you to prepare your own individual essay. There is no single ‘right’ answer. Markers will be looking for evidence that you have read broadly, including the provided material, and have synthesised the material to develop your own answer/ argument. The markers will also expect you to answer the question in your own words. The following points are to help you to understand and complete your assignment: 1. The question asks you to compare and contrast perspectives with regards to how they enable and constrain our understanding of organisations. The focus for this comparison is on the perspectives meta-theoretical assumptions and how these shape their respective theories. This part of the essay allows you to demonstrate your understanding of the course material covered in weeks 1-4. 2. Do not try to cover every single detail; you only have 2000 words so concentrate on the major points rather than fine details. 3. The focus in this essay is on analysis rather than description. Any description of your chosen perspectives must form part of your analysis and must contribute to the argument that you are making in your essay. This means answering why questions and providing supporting evidence. 4. This is not an essay asking you to consider management practices or styles of management. It is asking you to focus on ‘ways of seeing’ and thinking about organisations (different perspectives) and ways of understanding and theorising about organisations. Think of yourself as a researcher (rather than manager) of an organisation and you have a range of devices you can use to study organisations. Each device provides you with the ability to learn something different about the organisation. Your job is to explain how each of the devices provides you with different ways of understanding organisations. Do not use actual organisations as examples because it is the theory that you are seeking to demonstrate an understanding of. 5. You must use the sources provided to develop your answer. They have been selected because they provide the essential material required to answer the question. You will lose marks if you fail to use them. 6. Before you begin to look for additional reading you should first acquire a good understanding of the basics from the textbook and the required readings. Once you acquire this understanding you can then look for other material. 7. You can make use of the Web sources but they need to be reliable sources- Wikipedia is not a reliable source of information. We encourage you to make use of journal articles which can be found via a range of library databases. I suggest you use Expanded Academic ASAP (Gale) database which is located through the Databases section of the library website because it allows you to search a range of journals using keywords. Some of the keywords you should consider are: organisational culture, power in organisations, organisational change, organisations and modernism, organisations and symbolic interpretivism, organisations and postmodernism, etc. You will find an enormous amount of relevant literature. You can also do author searches which can be helpful to locate recent articles by scholars mentioned in the textbook. We also encourage you to make use of the references and further reading suggested by the textbook at the end of each chapter. ‘Citation Linker’ found through the library website is a useful tool to locate some of the journal articles mentioned in the textbook. There is a lot of information out there regarding the topic. 8. Students are NOT allowed to use lecture notes as reference materials. 9. You should look at the assessment sheet found in the course guide. It will give you a feel for the sorts of things we will be assessing. 10. You should also look at the other part of the course guide which outlines the differences between the grades -i.e. what separates a ‘P’ from a ‘C’. A key point to remember in answering the questions is not to be overly descriptive. In answering the question you will need to develop an argument. An argument requires ‘expressing a point of view on a subject and supporting it with evidence’ (see http://www.unc.edu/depts/wcweb/handouts/argument.html) The basic components of an argument include: * Making a claim (informed by relevant organisational theories) * Supporting your claim with evidence

Compressive Sensing: Performance Comparison of Measurement

Compressive Sensing: Performance Comparison of Measurement Compressive Sensing: A Performance Comparison of Measurement Matrices Y. Arjoune, N. Kaabouch, H. El Ghazi, and A. Tamtaoui AbstractCompressive sensing paradigm involves three main processes: sparse representation, measurement, and sparse recovery process. This theory deals with sparse signals using the fact that most of the real world signals are sparse. Thus, it uses a measurement matrix to sample only the components that best represent the sparse signal. The choice of the measurement matrix affects the success of the sparse recovery process. Hence, the design of an accurate measurement matrix is an important process in compressive sensing. Over the last decades, several measurement matrices have been proposed. Therefore, a detailed review of these measurement matrices and a comparison of their performances is needed. This paper gives an overview on compressive sensing and highlights the process of measurement. Then, proposes a three-level measurement matrix classification and compares the performance of eight measurement matrices after presenting the mathematical model of each matrix. Several experimen ts are performed to compare these measurement matrices using four evaluation metrics which are sparse recovery error, processing time, covariance, and phase transition diagram. Results show that Circulant, Toeplitz, and Partial Hadamard measurement matrices allow fast reconstruction of sparse signals with small recovery errors. Index Terms Compressive sensing, sparse representation, measurement matrix, random matrix, deterministic matrix, sparse recovery. TRADITIONAL data acquisition techniques acquire N samples of a given signal sampled at a rate at least twice the Nyquist rate in order to guarantee perfect signal reconstruction. After data acquisition, data compression is needed to reduce the high number of samples because most of the signals are sparse and need few samples to be represented. This process is time consuming because of the large number of samples acquired. In addition, devices are often not able to store the amount of data generated. Therefore, compressing sensing is necessary to reduce the processing time and the number of samples to be stored. This sensing technique includes data acquisition and data compression in one process. It exploits the sparsity of the signal to recover the original sparse signal from a small set of measurements [1]. A signal is sparse if only a few components of this signal are nonzero.   Compressive sensing has proven itself as a promising solution for high-density signals and has major a pplications ranging from image processing [2] to wireless sensor networks [3-4], spectrum sensing in cognitive radio [5-8], and channel estimation [9-10].   As shown in Fig. 1. compressive sensing involves three main processes: sparse representation, measurement, and sparse recovery process. If signals are not sparse, sparse representation projects the signal on a suitable basis so the signal can be sparse. Examples of sparse representation techniques are Fast Fourier Transform (FFT), Discrete Wavelet Transform (DWT), and Discrete Cosine Transform (DCT) [11]. The measurement process consists of selecting a few measurements,   from the sparse signal that best represents the signal where. Mathematically, this process consists of multiplying the sparse signal by a measurement matrix. This matrix has to have a small mutual coherence or satisfy the Restricted Isometry Property. The sparse recovery process aims at recovering the sparse signal from the few measurements selected in the measurement process given the measurement matrix ÃŽ ¦. Thus, the sparse recovery problem is an undetermined system of linear equations, which has an inf inite number of solutions. However, sparsity of the signal and the small mutual coherence of the measurement matrix ensure a unique solution to this problem, which can be formulated as a linear optimization problem. Several algorithms have been proposed to solve this sparse recovery problem. These algorithms can be classified into three main categories: Convex and Relaxation category [12-14], Greedy category [15-20], and Bayesian category [21-23]. Techniques under the Convex and Relaxation category solve the sparse recovery problem through optimization algorithms such as Gradient Descent and Basis Pursuit. These techniques are complex and have a high recovery time. As an alternative solution to reduce the processing time and speed up the recovery, Greedy techniques have been proposed which build the solution iteratively. Examples of these techniques include Orthogonal Matching Pursuit (OMP) and its derivatives. These Greedy techniques are faster but sometimes inefficient. Bayesian b ased techniques which use a prior knowledge of the sparse signal to recover the original sparse signal can be a good approach to solve sparse recovery problem. Examples of these techniques include Bayesian via Laplace Prior (BSC-LP), Bayesian via Relevance Vector Machine (BSC-RVM), and Bayesian via Belief Propagation (BSC-BP). In general, the existence and the uniqueness of the solution are guaranteed as soon as the measurement matrix used to sample the sparse signal satisfies some criteria. The two well-known criteria are the Mutual Coherence Property (MIP) and the Restricted Isometry Property (RIP) [24]. Therefore, the design of measurement matrices is an important process in compressive sensing. It involves two fundamental steps: 1) selection of a measurement matrix and 2) determination of the number of measurements necessary to sample the sparse signal without losing the information stored in it. A number of measurement matrices have been proposed. These matrices can be classified into two main categories: random and deterministic. Random matrices are generated by identical or independent distributions such as Gaussian, Bernoulli, and random Fourier ensembles. These matrices are of two types: unstructured and structured.  Ã‚   Unstructured type matrices are generated randomly following a given distribution. Example of these matrices include Gaussian, Bernoulli, and Uniform. These matrices are easy to construct and satisfy the RIP with high probability [26]; however, because of the randomness, they present some drawbacks such as high computation and costly hardware implementation [27]. Structured type matrices are generated following a given structure. Examples of matrices of this type include the random partial Fourier and the random partial Hadamard. On the other hand, deterministic matrices are constructed deterministically to have a small mutual coherence or satisfy the RIP. Matrices of this category are of two types: semi-deterministic and full-deterministic. Semi-deterministic type matrices have a deterministic construction that involves the randomness in the process of construction. Example of semi-deterministic type matrices are Toeplitz and Circulant matrices [31]. Full-deterministic type matrices have a pure deterministic construction. Examples of this type measurement matrices include second-order Reed-Muller codes [28], Chirp sensing matrices [29], binary Bose-Chaudhuri-Hocquenghem (BCH) codes [30], and quasi-cyclic low-density parity-check code (QC-LDPC) matrix [32]. Several papers that provide a performance comparison of deterministic and random matrices have been published. For instance, Monajemi et al. [43] describe some semi-deterministic matrices such as Toeplitz and Circulant and show that their phase transition diagrams are similar as those of the random Gaussian matrices. In [11], the authors provide a survey on the applications of compressive sensing, highlight the drawbacks of unstructured random measurement matrices, and they present the advantages of some full-deterministic measurement matrices. In [27], the authors provide a survey on full-deterministic matrices (Chirp, second order Reed-Muller matrices, and Binary BCH matrices) and their comparison with unstructured random matrices (Gaussian, Bernoulli, Uniform matrices). All these papers provide comparisons between two types of matrices of the same category or from two types of two different categories. However, to the best of knowledge, no previous work compared the performances of measurement matrices from the two categories and all types: random unstructured, random structured, semi-deterministic, and full-deterministic. Thus, this paper addresses this gap of knowledge by providing an in depth overview of the measurement process and comparing the performances of eight measurement matrices, two from each type. The rest of this paper is organized as follows. In Section 2, we give the mathematical model behind compressive sensing. In Section 3, we provide a three-level classification of measurement matrices. Section 4 gives the mathematical model of each of the eight measurement matrices. Section 5 describes the experiment setup, defines the evaluation metrics used for the performance comparison, and discusses the experimental results. In section 6, conclusions and perspectives are given. Compressive sensing exploits the sparsity and compresses a k-sparse signal by multiplying it by a measurement matrix where. The resulting vector    is called the measurement vector. If the signal is not sparse, a simple projection of this signal on a suitable basis, can make it sparse i.e. where. The sparse recovery process aims at recovering the sparse signal given the measurement matrix and the vector of measurements. Thus, the sparse recovery problem, which is an undetermined system of linear equations, can be stated as: (1) Where is the, is a sparse signal in the basis , is the measurement matrix, and   is the set of measurements. For the next of this paper, we consider that the signals are sparse i.e. and . The problem (1) then can be written as: (2) This problem is an NP-hard problem; it cannot be solved in practice. Instead, its convex relaxation is considered by replacing the by the . Thus, this sparse recovery problem can be stated as: (3) Where is the -norm, is the k-parse signal, the measurement matrix and is the set of measurements. Having the solution of problem (3) is guaranteed as soon as the measurement matrix has a small mutual coherence or satisfies RIP of order. Definition 1: The coherence measures the maximum correlation between any two columns of the measurement matrix . If is a matrix with normalized column vector , each is of unit length. Then the mutual coherence Constant (MIC) is defined as: (4) Compressive sensing is concerned with matrices that have low coherence, which means that a few samples are required for a perfect recovery of the sparse signal. Definition 2: A measurement matrix satisfies the Restricted Isometry Property if there exist a constant such as: (5) Where is the and is called the Restricted Isometry Constant (RIC) of which should be much smaller than 1. As shown in the Fig .2, measurement matrices can be classified into two main categories: random and deterministic. Matrices of the first category are generated at random, easy to construct, and satisfy the RIP with a high probability. Random matrices are of two types: unstructured and structured. Matrices of the unstructured random type are generated at random following a given distribution. For example, Gaussian, Bernoulli, and Uniform are unstructured random type matrices that are generated following Gaussian, Bernoulli, and Uniform distribution, respectively. Matrices of the second type, structured random, their entries are generated following a given function or specific structure. Then the randomness comes into play by selecting random rows from the generated matrix. Examples of structured random matrices are the Random Partial Fourier and the Random Partial Hadamard matrices. Matrices of the second category, deterministic, are highly desirable because they are constructed deter ministically to satisfy the RIP or to have a small mutual coherence. Deterministic matrices are also of two types: semi-deterministic and full-deterministic. The generation of semi-deterministic type matrices are done in two steps: the first step consists of the generation of the entries of the first column randomly and the second step generates the entries of the rest of the columns of this matrix based on the first column by applying a simple transformation on it such as shifting the element of the first columns. Examples of these matrices include Circulant and Toeplitz matrices [24]. Full-deterministic matrices have a pure deterministic construction. Binary BCH, second-order Reed-Solomon, Chirp sensing, and quasi-cyclic low-density parity-check code (QC-LDPC) matrices are examples of full-deterministic type matrices. Based on the classification provided in the previous section, eight measurement matrices were implemented: two from each category with two from each type. The following matrices were implemented: Gaussian and Bernoulli measurement matrices from the structured random type, random partial Fourier and Hadamard measurement matrices from the unstructured random type, Toeplitz and Circulant measurement matrices from the semi-deterministic type, and finally Chirp and Binary BCH measurement matrices from the full-deterministic type. In the following, the mathematical model of each of these eight measurement matrices is described. A. Random Measurement Matrices Random matrices are generated by identical or independent distributions such as normal, Bernoulli, and random Fourier ensembles. These random matrices are of two types: unstructured and structured measurement random matrices. 1) Unstructured random type matrices Unstructured random type measurement matrices are generated randomly following a given distribution. The generated matrix is of size . Then M rows is randomly selected from N. Examples of this type of matrices include Gaussian, Bernoulli, and Uniform. In this work, we selected the Random Gaussian and Random Bernoulli matrix for the implementation. The mathematical model of each of these two measurement matrices is given below. a) Random Gaussian matrix The entries of a Gaussian matrix are independent and follow a normal distribution with expectation 0 and variance. The probability density function of a normal distribution is: (6) Where is the mean or the expectation of the distribution, is the standard deviation, and is the variance. This random Gaussian matrix satisfies the RIP with probability at least given that the sparsity satisfy the following formula: (7) Where is the sparsity of the signal, is the number of measurements, and is the length of the sparse signal [36]. b) Random Bernoulli matrix A random Bernoulli matrix is a matrix whose entries take the value or with equal probabilities. It, therefore, follows a Bernoulli distribution which has two possible outcomes labeled by n=0 and n=1.   The outcome n=1 occurs with the probability p=1/2 and n=0 occurs with the probability q=1-p=1/2. Thus, the probability density function is: (8) The Random Bernoulli matrix satisfies the RIP with the same probability as the Random Gaussian matrix [36]. 2) Structured Random Type matrices The Gaussian or other unstructured matrices have the disadvantage of being slow; thus, large-scale problems are not practicable with Gaussian or Bernoulli matrices. Even the implementation in term of hardware of an unstructured matrix is more difficult and requires significant space memory space. On the other hand, random structured matrices are generated following a given structure, which reduce the randomness, memory storage, and processing time. Two structured matrices are selected to be implemented in this work: Random Partial Fourier and Partial Hadamard matrix. The mathematical model of each of these two measurement matrices is described below: a) Random Partial Fourier matrix The Discrete Fourier matrix is a matrix whose entry is given by the equation: (9) Where. Random Partial Fourier matrix which consists of choosing random M rows of the Discrete Fourier matrix satisfies the RIP with a probability of at least , if: (10) Where M is the number of measurements, K is the sparsity, and N is the length of the sparse signal [36]. b) Random Partial Hadamard matrix The Hadamard measurement matrix is a matrix whose entries are 1 and -1. The columns of this matrix are orthogonal. Given a matrix H of order n, H is said to be a Hadamard matrix if the transpose of the matrix H is closely related to its inverse. This can be expressed by: (11) Where is the identity matrix, is the transpose of the matrix. The Random Partial Hadamard matrix consists of taking random rows from the Hadamard matrix. This measurement matrix satisfies the RIP with probability at least provided    with and as positive constants, K is the sparsity of the signal, N is its length and M is the number of measurements [35]. B. Deterministic measurement matrices Deterministic measurement matrices are matrices that are designed following a deterministic construction to satisfy the RIP or to have a low mutual coherence. Several deterministic measurement matrices have been proposed to solve the problems of the random matrices. These matrices are of two types as mentioned in the previous section: semi-deterministic and full-deterministic. In the following, we investigate and present matrices from both types in terms of coherence and RIP. 1) Semi-deterministic type matrices To generate a semi-deterministic type measurement matrix, two steps are required. The first step is randomly generating the first columns and the second step is generating the full matrix by applying a simple transformation on the first column such as a rotation to generate each row of the matrix. Examples of matrices of this type are the Circulant and Toeplitz matrices. In the following, the mathematical models of these two measurement matrices are given. a) Circulant matrix For a given vector, its associated circulant matrix whose entry is given by: (11) Where. Thus, Circulant matrix has the following form: C= If we choose a random subset of cardinality, then the partial circulant submatrix that consists of the rows indexed by achieves the RIP with high probability given that: (12) Where is the length of the sparse signal and its sparsity [34]. b) Toeplitz matrix The Toeplitz matrix, which is associated to a vector    whose entry is given by: (13) Where. The Toeplitz matrix is a Circulant matrix with a constant diagonal i.e. .   Thus, the Toeplitz matrix has the following form: T= If we randomly select a subset of cardinality , the Restricted Isometry Constant of the Toeplitz matrix restricted to the rows indexed by the set S satisfies with a high probability provided (14) Where is the sparsity of the signal and is its length [34]. 2) Full-deterministic type matrices Full-deterministic type matrices are matrices that have pure deterministic constructions based on the mutual coherence or on the RIP property. In the following, two examples of deterministic construction of measurements matrices are given which are the Chirp and Binary Bose-Chaudhuri-Hocquenghem (BCH) codes matrices. a) Chirp Sensing Matrices The Chirp Sensing matrices are matrices their columns are given by the chirp signal. A discrete chirp signal of length à °Ã‚ Ã¢â‚¬ËœÃ… ¡ has the form:   Ã‚  Ã‚  Ã‚  Ã‚   (15) The full chirp measurement matrix can be written as: (16) Where is an matrix with columns are given by the chirp signals with a fixed and base frequency   values that vary from 0 to m-1. To illustrate this process, let us assume that and Given , The full chirp matrix is as follows: In order to calculate, the matrices and should be calculated. Using the chirp signal, the entries of these matrices are calculated and given as: ; Thus, we get the chirp measurement matrix as: Given that is a -sparse signal with chirp code measurements and is the length of the chirp code. If (17) then is the unique solution to the sparse recovery algorithms. The complexity of the computation of the chirp measurement matrix is. The main limitation of this matrix is the restriction of the number of measurements to    [29]. b) Binary BCH matrices Let denote as a divisor of for some integer an

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Social Traditions in Medea, The Piano, and The Age of Innocence Traditions demonstrate a set of social norms that have been followed and adapted to for an elongated amount of time. In each of the plots, Medea, The Piano, and The Age of Innocence, the standard set by society was broken and the consequences imposed took form in varying degrees and shapes of violence. Whether it was outright murder as in Medea, or a more subtle but intense struggle as in The Age of Innocence, these consequences serve as the community's opinion of this breach of its expectations for its members. All societies have many traditions set up, and each of the characters in the books either plays the role of someone who helps to uphold these traditions by following them and imposing consequences on those who don't, or someone who disregards tradition and attempts to point out its pitfalls and shortcomings in modern society. The first role, the person who reinforces tradition, is generally someone who refuses to think outside the box, or does not like the product of going against the tide. This person is comfortable with the way that society has set itself up as far as social norms and expectations. Edith Wharton's character of Newland Archer describes May Welland's innocence as a "helpless and timorous girlhood...she dropped back into the usual, as a too adventurous child takes refuge in its mother's arms." (Wharton 123) May Welland and her family are quite content living within the boundaries that New York society has erected for them, and they fear the changes and consequenc es of acting otherwise. The adventurous spirit of Newland Archer is dangerous to their precious social norms and unwritten rules for how to conduct oneself in society. Howev... ... when his son learns a story of his relations with Ellen and speaks to him about it many years after (Wharton 41). The lesson that he learns is that society is very concerned with the affairs of its members and even his wife had heard the rumors about the two cousins. While May was busy upholding her traditional role as faithful wife, she also was acting within social norms and ignoring his infatuation with her cousin Ellen, and allowing a facade of a strong marriage to continue. The violence presented in this book, while not as obvious as that in The Piano or Medea, is no less intense. May's innocent look but underlying manipulation of Archer's feelings towards her and his feelings of obligation demonstrate a great struggle between the "innocent" May Welland who looks "blankly at blankness" and the "fiery beauty" of Ellen, and both of their desires for Archer.

Diversity of the Family

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Checkpoint Jsbmha and Hipaa Case Study

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Practitioner Skills for Managers Essay Example | Topics and Well Written Essays - 1000 words

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