Electrical Engineering Essay - 275 Words

Electrical Engineering (Essay Sample) Content: Electrical EngineeringNameAffiliate institutionCourseDateLumped Matching NetworksConsider a transmission line below that is terminated by a load ZL.For the load to match the transmission line, the condition à ¡Ã‚ ´Type equation here.ÓL =0. Nonetheless a circuit withZL à ¢ Z0 must be connected between loads ZL and Z0 to make the VSWR =1 or as least as possible.If ÓL=0 , then it means that Zin = Z0. This can explained as Rin= RÄ[Z0] and Xin=0, in a lossless TL.Matching networks in L networks comprises ofwhere RL ˃Z0:Where RLË Z0: Note that ZL = RL + jXL:There exist about eight combinations of capacitors and inductors in an L network:-14287552006500RL ˃Z0:RLË Z0:The above matching networks are lossless or the loss could be made negligible by using appropriate components (Rizzi 1988).Consider the lumped network below when RL ˃Z0:Its analytic solution is given by equatingThe real part of the equation is given by RÄLH = RÄRHZ0(1-BXL)=(RL-XBRL)à ¢B(XRL-XLZ0) = RL-Z0The imaginary part of the equation is given by JmLH =JmRHBRLZ0= XL + X(1-BXL)à ¢X(1-BXL)=BZ0RL-XLConsider network below when RL Ë Z0:The real part of the equation is given by RÄLH= RÄRH :BZ0(X+XL) = Z0 - RLThe imaginary part is given by JmLH =JmRH:(X + XL)= BZ0RLIn lumped matching networks, when the load admittance or impedance has a reactive part that is dominant, it can is included in the component element needed by the L network so as to obtain a maximum bandwidth. This technique of absorbing the load reactance into a matching network is a major step toward achieving broad-band matching. This technique can be used to match antennas of resistance less than that of transmission line, and whose reactance are set reducing the length of a radiating element from resonant length. The antennas resistance remains unchanged while its reactance is capacitive with its magnitude determined by the resonanceà ¢Ã¢â€š ¬s offset. B y selecting a resonant frequency above the circuità ¢Ã¢â€š ¬s operation frequency and ensuring the antenna admittance conductance equals Y0, addition of shunt inductor cancels out the reactive part of the admittance of the antenna. This, in turn, results to transmission line match (David 1998).Multiple Reactance MatchingThis involves matching networks that use more than two reactive components to match load impedance to the required complex output impedance. Basically, the network input involves generator impedances and complex load such as ZG= RG+jXG and ZL=RL+jXL. The reactance X1, X2à ¢Ã¢â€š ¬..Xn are the outputs of the designed network. Usually, the matching networks change the load impedance ZL to a complex conjugate value of the generator (David 1998).Zin=ZG : This implies a conjugate match.Distributed Matching NetworksDistributed matching network are usually formed by open-circuit transmission line, quarter-wavelength transmission line, short circuit transmission line among other combinations.For proper understanding, a calculation on the distributed networks is vital. Consider a case where a load of 10-j100à ¢ is matched with a transmission line of 50 à ¢. For us to design two distributed matching networks and possibly compare their bandwidth performance, the solution will be computed as shown below:SolutionNormalized load impedance is given by: zL= ZL/50=0.2-j2This corresponds to a point A as depicted in the impedance matching Smith Chart below:The reflection coefficient is given by:Ó=ZL-50/ ZL+50...

U.s. Obama And Donald Trump Essay - 2304 Words

Introduction With the United States currently experiencing another presidential election the world is in suspense, watching to see who will become the next leader of the free world. Such halt corresponds to the running of two presidential candidates: Hillary D. Clinton and Donald J. Trump. Such halt derives from candidates proposed trade policies for the United States and its latter ramifications. This emphasis on trade originates from this idea that we live in a globalized economy and with the United States being a predominate actor within the international community, policies, for instance, that do not support globalize trade potentially harm developing and developed countries who have ties to the U.S.. Both Hillary Clinton and Donald Trump share similarities amongst their trade agendas; for example, Clinton’s policies surrounding trade must â€Å"work† for the U.S. while Trump s objective is to renegotiate current and future trade agreements to better suit the U.S.. Therefore, ea ch candidate’s trade proposal must undergo an evaluation of the potential outcomes that derive from each proposal and identify which candidate s agenda is better suited for the United States and the global aim to liberalize trade. Candidate Hillary Clinton’s trade policies, although minimal in its size, maintains relationships with allied countries and does not harm the United States in trade; while on the other hand, candidate Donald Trump’s trade policies lead to negative ramifications thatShow MoreRelatedU.s. Obama And Donald Trump Essay2308 Words   |  10 PagesD. Clinton and Donald J. Trump. Such halt derives from candidates proposed trade policies for the United States and its ramifications. This emphasis on trade originates from this idea that we live in a globalized economy and with the United States being a predominate actor within the international community, policies, for instance, that do not support globalize trade potentially harm developing and developed countries who have ties to the U.S.. Both Hillary Clinton and Donald Trump share similaritiesRead MoreU.s. Obama And Donald Trump s Views On Immigration Essay1434 Words   |  6 Pagesseveral different issues in the economy. Out of the main issues that are being debated and will continue to be debated, immigration seemed to be the one of the most focus due to it’s crucial impact on countries world wide. Both Hillary Clinton and Donald Trump’s views on immigration were presented numerous times throughout the election and Americans formulated whom they would vote for partially based on these views. 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Immigration Policy Policies Essay1284 Words   |  6 PagesU.S. immigration policy has always been an important topic debated by Presidential candidates for decades. Immigration reform has been ignored by Congress, leaving decisions up to the President and Supreme Court. In the meantime, the hopes of about eleven million illegal immigrants in the U.S., as well as future rules for legal immigration, rest on the shoulders of those decision makers. Hillary Clinton and Donald Trump b oth agree that changes to U.S. immigration policy are needed; however, DonaldRead MoreTheu.s. 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The Epithet in the Novel Jane Eyre - 18849 Words

INTRODUCTION The present course- paper is devoted to the comprehensive study of stylistic device – the epithet in the literary work â€Å"Jane Eyre† by Charlotte Bronte. The topicality of chosen by us theme lies in the fact that a human being perceives the reality by means of various images. These images exist everywhere: in art, in nature, in thoughts, and in speech in particular. Each of us at least ones created an image. We use different means (stylistic expressive means and devices) to achieve the aim. In our research we would like to concentrate our attention on â€Å"epithet†, a figure of speech which gives the opportunity to create the most expressive and vivid images. Despite the fact that there are many works devoted to the problem†¦show more content†¦The practical value of the work lies in the fact that the results of the investigation can be used in the courses of lectures in stylistics, seminars in style and text interpretation and also can be useful for practical courses of English language. The novel â€Å"Jane Eyre† by Charlotte Bronte is used as linguistic material for our research. In this work there were used the following methods of linguistic analysis: word’s definitions analysis, contextual-situative and text analysis for revealing the informational value of epithet. The present course-paper includes the following sections: introduction, two chapters, conclusions, bibliography and appendix. In Introduction we present reasons for choosing this theme and give the description of the paper. In Chapter I we give some theoretical information about Stylistics, style, stylistic devices and functional styles. Also we try to reveal the nature of epithets and their classification. In Chapter II we propose basic information about Charlotte Bronte and her novel â€Å"Jane Eyre† and analyze choice of epithets from his novel applying the received knowledge. In Conclusions we summarize the results which were obtained while carrying out our research. In Bibliography we propose the list of the consulted books with the names of their authors and years of theirShow MoreRelatedA Dialogue of Self and Soul11424 Words   |  46 Pagesrelation to women, though it refers brieï ¬â€šy to the ambiguous class position of governesses such as Jane Eyre. The authors analyse the intertwined processes of female rebellion and repression in the narrative and highlight in particular the reading of Bertha Mason, the mad wife, as the symbol of Jane’s repressed passion. This was later to become an accepted interpretation of Bertha. In relating the novel to Charlotte Brontà « the writer, they see the text as ultimately half-optimistic for women’s futureRead More The Madwoman in the Attic: The Woman Writer and the Nineteenth-Century Literary Imagination2194 Words   |  9 Pagesthat Graham assigns to her. That night she says she will never act again, yet instead has chosen to write, transferring her talent to another form of expression. As Gregory O’Dea notes in his article, â€Å"there is no sign in the beginning [of the novel] that†¦Lucy is to be heroine† (44). At first she is merely relating other characters’ words and actions without giving much of her own judgment. However, once little Polly leaves, Lucy takes the stage, finding her voice much in the same way as she does

Hostel Vs. Home free essay sample

Only when you start living in a dormitory you realize the perks of living at home. When high school is almost over and you’re getting ready to leave for university, you don’t know how to feel about it. There are so many mixed emotions- Happy? Sad? Excited? Dorm life is extremely different to living at home and may be really hard to adjust but that is not always the case. The purpose of this essay is to contrast the living conditions and other aspects of living at home and compare it to living in a dorm. A Roman author, Pliny the Elder quoted, â€Å"Home is where the heart is†. Home is a place filled with love and affection by our parents. The constant battle between fights, and long talks with your siblings kept you busy all day. Someone was always around to help you with anything you needed and there were no worries as your parents were always there to support you. We will write a custom essay sample on Hostel Vs. Home or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page In addition to that, at home everything was made easy for you- maid to clean your room, cook to prepare every meal and a driver to take you wherever you wanted to go. Everyone has a soft spot for his or her long-term home. It’s where you spent most of your lives and you’re well adapted to the surroundings around you. The warmth of your room is a unique feeling you don’t get to experience elsewhere, especially not in a dorm room all by yourself. Everything you need is within arms reach and most of the times, the best nights of sleep are those spent in your own bed. Money was never an issue back home even if it was ten dirhams for cab or a few hundreds for shopping. Your parents were always ready to give you money to spend at any time required. Even if you had a fixed allowance, they would hand over more with just a bit of persuasion from your side. Best part was, you weren’t expected to cover food expenses with your allowance. You had the choice to decide whether you wanted to eat a fresh home cooked meal or stuff yourself with fast food, all provided by your parents. On the other hand, dorm life is quite different and in some ways, the exact opposite. Although, this isn’t always considered to be a negative point as there can be benefits too. The fact that you would have to live alone would be the most challenging change you would have to go through. Dorm life can easily get boring, lonely and stressful as well. The first few days, or maybe even weeks, wouldn’t be easy as you would still be trying to adjust to the new routines. The best part of living in the dorms would have to be the freedom. Your parents won’t be around to tell you what to do and when to be back home, you are expected to be your own boss. You could decide not to make your bed or wash your dishes until the next day but still no one would question you on any decision you make. However, you would be expected to follow certain set rules, such as curfew and other policies. Independence is another major feature of living alone. Your parents would set a particular budget for you to spend weekly (or monthly) and you’d be expected to spend within the budget. As money is limited, everything else becomes restricted as well. This would affect what food you eat and how much you spend on other leisure activities. You might even have to cook for yourself, as you may not be able to afford food everyday. Also, once you have settled in the university and made friends, the amount of fun you could have is unlimited. Staying in the dorms would give you a chance to mingle with others easily and would also allow you to meet people from various backgrounds. The best years of your life are said to be your few years in university, living in the dorms would allow you to make best use of these years. Overall, after comparing both living situations, home and dormitories, it is obvious both have negative and positive points. It would not be possible to say for sure which is better without being biased to certain type of people. People would have a different point of view and this may vary according to their personalities and culture. For some, living in the dorms can be the best experience and for others, it would be the opposite. For me, personally, I prefer living at home; I enjoy my family’s company and couldn’t find the same comfort here in the dorms. Although, after making friends I have found it to be much easier than it was during the first week of university.