信息與通信工程專業(yè)英語-試卷及答案

1、題號一二三四五六總分得分簽名第一題、通信工程專業(yè)英語常用詞組翻譯。1.將下列英文詞組翻譯為漢語。(1) Integrated circuit(每小題1.5分,共30分)集成電路(2)Individual electrons單個(gè)電子(3)Bandwidth頻帶寬度(4)Conductor length導(dǎo)體長度(5)Vector向量(6)Interface界面Signal frequency心所(8)Voltage電壓(9)Integral form積分形式(10)Tensor張量研究生課程期末考試試卷信息與通信工程專業(yè)英語學(xué)年度第 學(xué)期學(xué)院： 專業(yè)： 信息與通信工程姓名：學(xué)號：.將漢語詞組翻譯為

2、英語。(1)模擬器simulator(2)傳導(dǎo)率conductivity(3)模式識別pattern recognition(4)種類category(5)數(shù)字技術(shù)digital techniques(6)語音識別speech recognition磁共振magnetic resonance(8)虛擬現(xiàn)實(shí)virtual reality(9)放大器amplifier(10：）信息技術(shù)information technology2(a)Modulation sidebands數(shù)據(jù)信道f(b)Intermediate frequency中頻一b(c)Analog system有監(jiān)督學(xué)習(xí)_e(d)Fe

3、edback network載波信道_j(e)Supervised learning模擬系統(tǒng).c(f)Data channel反饋網(wǎng)絡(luò)d(g)Adaptive learning數(shù)字信號處理_h(h)Digital signal processing調(diào)制邊帶a(i)Negative feedback自適應(yīng)學(xué)習(xí)一-g(j)Bearer channel負(fù)反饋_i0（每小組1分，共10分）第二題、英文和漢語詞組正確搭配第三題、將下面幾段文字翻譯為漢語。（每小題4分，共12分）1 .Wi-Fi is the trademark for the popular wireless technology us

4、ed in home networks, mobile phones, video games and other electronic devices that require some form of wireless networking capability.Wifi是流行無線技術(shù)的標(biāo)志，用在家庭網(wǎng)絡(luò)、移動電話、電子游戲等其他需要 某種形式的無線網(wǎng)絡(luò)容量的電子設(shè)備上。2 .The natural sensors,like those found in living organisms, usually respond with signals, having an electro-ch

5、emical character, that is, their physical nature is based on ion transport, like in the nerve fibers.天然的傳感器，像在活體生物中發(fā)現(xiàn)的那些傳感器，通常以具有電化學(xué)特性的 信號作為響應(yīng)，也就是說，它們的物理性質(zhì)基于離子傳輸，像在神經(jīng)纖維一樣。3 . Some of the resulting wavelet coefficients correspond to details in the data set. If the details are small, they might be omi

6、tted without substantially affecting the main feature of the data set.得到某些小波系數(shù)對應(yīng)于數(shù)據(jù)集中的細(xì)節(jié)量。如果這些細(xì)節(jié)量取值小，可以忽 略不計(jì)，而不會對數(shù)據(jù)集中的主要特征產(chǎn)生本質(zhì)影響。第四題、將下面幾段文字翻譯為英語。（每小題4分，共8分）1 .輸入權(quán)重和閾值的加入使得神經(jīng)元更加靈活與強(qiáng)大。神經(jīng)元具有通過改變權(quán)值或者閾值來適應(yīng)具體情況的能力。The addition of input weights and thresholds makes neurons more flexible and powerful. Neur

7、ons have the ability to adapt to specific situations by changing weights or thresholds.2 .如果我們把光波看作一種電磁波，那么無線通信的歷史可以追溯到宇宙的起 源。自從遠(yuǎn)古人類開始通過在山頂之間吶喊的方式來傳遞信息，人類便開始希 望通過無線進(jìn)行便捷有效的交流。If we think of light as an electromagnetic wave, the history of wireless communication can be traced back to the origin of the

8、 universe. Since ancient humans began to transmit information by shouting from top to top, they began to hope for convenient and effective communication through wireless.第五題、將讀下面的2篇閱讀，并為每道題選擇唯一正確的答案。（每小題2分，共20Questions 1 to 5 are based on the following passage.America's education system has beco

9、me less a ladder of opportunity than a structure to transmit inequality from one generation to the next.That's why school reform is so critical. This is an issue of equality, opportunity and national conscience. It's not just about education, but about poverty and justice.It's true that

10、the main reason inner-city schools do poorly isn't teachers' unions, bu poverty. Southern states without strong teachers' , unions have schools at least as awful as those in union states. Some Chicago teachers seem to think that they shouldn't be held accountable until poverty is sol

11、ved. There are steps we can take that would make some difference, and Mayor Rahm Emanuel is trying some of themyet the union is resisting.I'd be sympathetic if the union focused solely on higher compensation. Teachers need to be much better paid to attract the best college graduates to the natio

12、n's worst schools. But, instead, the Chicago union seems to be using its political capital primarily to protect weak performers.There's solid evidence that there are huge differences in the effectiveness of teachers.The gold standard study by Harvard and Columbia University scholars found th

13、at even in high-poverty schools, teachers consistently had a huge positive or negative impact.Get a bottom 1% teacher, and the effect is the same as if a child misses 40% of the school year. Get a teacher from the top 20%, and it's as if a child has gone to school for an extra month or two.The s

14、tudy found that strong teachers in the fourth through eighth grades raised the skills of their students in ways that would last for decades. Just having a strong teacher for one elementary year left pupils a bit less likely to become mothers as teenagers, a bit more likely to go to college and earni

15、ng more money at age 28.How does one figure out who is a weak teacher? Yes, that's a challenge. But researchersare improving systems to measure a teacher's performance throughout the year, and, with three years of data, ifs usually possible to tell which teachers are failing.Unfortunately, t

16、he union in Chicago is insisting that teachers who are laid offoften for being ineffective should get priority in new hiring. That's an insult to students.Teaching is so important that it should be like other professions, with high pay and good working conditions but few job protections for bott

17、om performers.This isn't a battle between garment workers and greedy bosses. The central figures in the Chicago schools strike are neither strikers nor managers but 350,000 children. Protecting the union demand sacrifices those students, in effect turning a blind eye to the injustice in the educ

18、ation system.1. What do we learn about America's education system ?B)A) It provides a ladder of opportunity for the wealthy.B) It contributes little to the elimination of inequality.C) It has remained basically unchanged for generations.D) It has brought up generations of responsible citizens.2.

19、 What is chiefly responsible for the undesirable performance of inner-city schools? (B)A) Unqualified teachers.C) Unfavorable learning environment.B) Lack of financial resources. D) Subconscious racial discrimination.3. What does the author think the union should do to win popular support ? C)A) Ass

20、ist the city government in reforming schools.C) Demand higher pay for teachers.B) Give constructive advice to inner-city schools.D) Help teachers improve teaching.4. What is the finding of the gold standard study by Harvard and ColumbiaUniversity scholars? (D)A) Many inner-city school teachers are n

21、ot equal to their jobs.B) A large proportion of inner-city children often miss classes.C) Many students are dissatisfied with their teachers.D) Student performance has a lot to do with teachers.5. Why does the author say the Chicago unions demand is an insult to studentsA)A) It protects incompetent

22、teachers at the expense of students.B) It underestimates students, ability to tell good teachers from poor ones.C) It makes students feel that they are discriminated against in many ways.D) It totally ignores students, initiative in the learning process.Questions 6 to 10 are based on the following p

23、assage.Air pollution is deteriorating in many places around the world. The fact that public parks in cities become crowded as soon as the sun shines proves that people long to breathe in green, open spaces. They do not all know what they are seeking but they flock there, nevertheless.And, in these s

24、urroundings, they are generally both peaceful and peaceable.It is rare to see people fighting in a garden. Perhaps struggle unfolds first, not at an economic or social level, but over the appropriation of air, essential to life itself.If human beings can breathe and share air, they don't need to

25、 struggle with one another. Unfortunately, in our western tradition, neither materialist nor idealist theoreticians give enough consideration to this basic condition for life. As for politicians, despite proposing curbs on environmental pollution, they have not yet called for it to be made a crime.

26、Wealthy countries are even allowed to pollute if they pay for it.But is our life worth anything other than money? The plant world shows us in silence what faithfulness to life consists of. It also helps us to a new beginning, urging us to care for our breath, not only at a vital but also at a spirit

27、ual level. The interdependenceto which we must pay the closest attention is that which exists between ourselves and the plant world. Often described as "the lungs of the planet", the woods that cover the earth offer us the gift of breathable air by releasing oxygen. But their capacity to r

28、enew the air polluted by industry has long reached its limit. If we lack the air necessaryfor a healthy life, it is because we have filled it with chemicals and undercut the ability of plants to regenerateit. As we know, rap deforestation combined with the massive burning of fossil fuels is an explo

29、sive recipe for an irreversible disaster.The fight over the appropriation of resources will lead the entire planet to hell unless humans learn t share life, both with each other and with plants. This task is simultaneously ethical and political because can be discharged only when each takes it upon

30、herself or himself and only when it is accomplished together with others. The lesson taught by plants is that sharing life expands and enhances the sphere c the living, while dividing life into so-called natural or human resources diminishes it.We must come t view the air, the plants and ourselves a

31、s the contributors to the preservation of life and growth, rather than a web of quantifiable objects or productive potentialities at our disposal. Perhaps then we would finally begin to live, rather than being concerned with bare survival.6. What does the author assume might be the primary reason th

32、at people would struggle with each other (A)A. To get their share of clean air.B. To pursue a comfortable life.C. To gain a higher social status.D. To seek economic benefits.7. What does the author accuse western politicians of ?D)A. Depriving common people of the right to clean air.B. Giving priority to theory rather than practical action.C. Offering preferential treatment to wealthy countries.D. F