10级专业英语试卷.doc

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洛阳理工学院2012/2013学年第一学期专业英语期末考试试题卷（A）

适用班级：B100509/10/11/12考试日期时间：2012.11.29

用英语写出缩写形式的全称（每小题1分，共10分）

1.

\

WWW

2.

1

CAI

3-

1

CAD

4.

1

DSP

5.

1

CPU

6.

1

CD

7.

1

ROM

8.

1

RAM

9.

1

FM

10. 1

?

?AM

1

?

?

Please translate the following phrases into English.（每小题2 分，共30 分）

1.

1

短路

2.

1

集成电路

3. 共射极电路

4.

1

负载电阻

5.

1

步进制

6.

1

纵横制

7.

1

1

电子交换机

&

1

长途网

9.

1

灰度图像

1

10.

1

直方图均衡

11.

1

图像对比度

1

12.

i

结果矩阵

1

13. 1 真空三极管

14.

1

纠错编码

15. 视线传播

三.Please translate the following phrases into Chinese?（每小题2 分，共30 分）

very-high-frequency

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i

ultra-high ?fTequency

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I quadrature amplitude modulation ? ■

I

j stored-program control

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circuit switch | I

packet switch

i ； i

CATT (China Academy of Telecommunications Technology)

[ I I edge filter

i

I magnitude spectrum j

I

I object recognition j i i phase

spectram

j

I i

binary-coded number

；

Hi-Fi

| I

i electromagnetic induction

[ single-sideband

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| 四、Translate the following sentences into Chinese.(每小题 2 分，共 30 分)

?

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| ! | 1.

Seethe answers as given at the endof this book- [ i

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f ?

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: 2. For a ll its great size ，themachine movesnoiselessly.

[

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:

3.

It isdesired that the switch (should)produce only one clock pulse each time it is closed-

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4. In a transistor the output current depends upon the input current, hence it is a current operated device.[

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； 5. As rubber prevents electricity from passing through it, it is used as insulating material ?

[

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? |

6. Depending on the relationship between the signal frequencies and the sampling rate, spectral inversion [

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|

may cause the shape of the spectrum in the baseband to be inverted from the true spectrum of the ； I ? I I

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?

；

signal.

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I f

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1- 2. 3.

5.

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1 6. 1

7

8 9

? I : ! I 10.

H

I

I i 12.

13.

；7. Low pass filters blur images, high pass filters emphasize sharp changes in gray scale level, and edge [

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i filters locate edges in an image. i I i

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8.The avalanche photodiode (APD) detector is followed by a front-end amplifier and equalizer or filter [

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i to provide gain as well as linear signal processing and noise bandwidth reduction.

：

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I ?I ?! 9. The main benefits of TD-SCDMA are that it can be implemented less expensively than comparable i 3G systems since it is much more spectrum efficient and is compatible with GSM network elements, ?

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-

I allowing 3G services without installation of completely new infrastructure. ?

I

I

10.Furthermore, this information would be available to the patient^ private physician and to this (or ?

I another) hospital in case of a subsequent readmission or transfer to another facility. [

11.Several different types of computer peripherals may appear as network terminals, and so also can |

I computers functioning in several different ways. |

I

12.Intensity is a measure of power per unit area, and even a laser that emits only a few milli-watts can |

I

I produce a lot of intensity in a beam that's only a millimeter in diameter. i

I

13.At present, the state of most semiconductor device technology is such that the device design and

I

I process technology must be supplemented by screening and inspection procedures, if ultimate device

I

I reliability is to be obtained and controlled ?

：

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I

14.Because of the very high open-loop voltage gain of the op-amp, the output is driven into positive：

I

I saturation (close to +V) when the sample voltage goes slightly above the reference voltage, and driven I

I

I into negative saturation (close to-V) when the sample voltage goes slightly below the reference ；

I voltage.

?

I

i

15.Intergraded circuits are also classified according to their functions. Digital or logical IC are used as [

I switches, they are either on or off. In computers the on and off states correspond to 0 or 1.Other IC is

I

i called linear or analog IC. !

洛阳理工学院2012/2013学年第一学期专业英语期末考试试题卷(A)答案及评分标准

适用班级：B100509/10/11/12考试日期时间:2012.11.29

一用英语写出缩写形式的全称(每小题丄分，共分)

1. WWW world wide web

2. CAI computer-aided instruction

3. CAD computer-aided design

4. DSP digital signal processing

5. CPU Central Processing Unit

6. CD compact disc

7. ROM read only memory

8. RAM read access memory

9. FM frequency modulation

10. AM amplitude modulation

二Please trans late the fol lowing phrases into Engl ish.（每小题2 分，共30 分）1?运算放大器operational amplifiers

2.晶体管transistor

3.滤波器filter

4.负载电阻load resistor

5.短路short circuit

6?集成电路integrate circuit

7?电子交换机electronic switch

8.长途网long-distance network

9.紧密的compact

10.变量variation

11.图像对比度image contrast

12.线性linearity

13.时分复用time-division modulation

14. 带通信号 bandpass signal 15.

信噪比 signal-to-noise

三 Please translate the following phrases into Chinese ?（每小题 2 分，共 30 分） 1. microelectronic 微电子 2. considerable 相当的

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3. integrate 综合完全 ?

i

4. film 胶片薄膜 ?

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5. circuit switch 电路交换 ！

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6. bit error rates 误码率

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7. pulse-width 脉冲宽度

[

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8. personal communication system 个人通信系统 [

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9. minimum-shift-keyed 最小移位键控 i

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10. object recognition 目标识别 j

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11. pre-modulation 预编码 j

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12. differential coding 差分编码 [

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13. sample and hold circuit 采样保持电路 ；

I

14. electromagnetic induction 电磁感应 |

i

15.

bus interfacs 总线接口

；

I

四 Translate the following sentences into Chinese.(每小题 2 分，共 30 分) i

I

1. See the answers as given at the end of this book.请参阅本书末尾给出的答案。 ;

2. For all its great size, the machine moves noiselessly.尽管体积大，但该机器的运转噪声很小。 |

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i

3. It is desired that the switch (should) produce only one clock pulse each time it is closed. 人彳门希望，[ I 开关每闭合一次只产生一个脉冲。

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i

4. In a transistor the output current depends upon the input current, hence it is a current operated device ?

I

晶体管的输出电流取决于输入电流，因此它是电流控制器件。

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I

5. As rubber prevents electricity from passing through it, it is used as insulating material. 因为橡胶不导 |

I 电，所以用作绝缘材料。I

I

I

6.Depending on the relationship between the signal frequencies and the sampling rate, spectral inversion

i

I may cause the shape of the spectrum in the baseband to be inverted from the true spectrum of the

I signal.根据信号频率和采样频率Z间的关系的不同，可能出现“频谱反转"现象——基带频谱|

I ? 的形状和信号真实频谱的形状正好相反。i I

7.Low pass filters blur images, high pass filters emphasize sharp changes in gray scale level, and edge

I

I filters locate edges in an image. 低通滤波器使图像变得模糊，而高通滤波器突出了图像的灰：

I 度

锐变，边缘滤波器则对图像边缘进行定位。i 8.The avalanche photodiode (APD) detector is followed by a front-end amplifier and ?

-

I

-

■

I equalizer or filter to provide gain as well as linear signal proccssing and noise ?

I bandwidth reduction.前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增［

I 益、线性信号处理及噪声带宽的抑制。I

I

I

9.The main benefits of TD-SCDMA are that it can be implemented less expensively than|

I

■

comparable 3G systems since it is much more spectrum efficient and is compatible with $

i

GSM network elements, allowing 3G services without installation of completely new；

I

infrastructure. TD-SCDMA的主要优势在于它的运营费用比其他3G系统低，因为它的频谱利用| 率较高而且与GSM网络组件兼容，使得3G业务在GSM系统中能够实现而不需耍安装新的基础设|

I 施。I

I

I

10.Furthermore, this information would be available to the patient's private physician and to this (or I

I

I another) hospital in case of a subsequent readmission or transfer to another facility.而且，万一以后重］

I 进医院或转入其他地方，病人的私人大夫和这家(或其他)医院都可以看到这些信息资料。I I

■

I

I

11.Several different types of computer peripherals may appear as network terminals, and so also can ；computers functioning in several different ways.几种不同的计算机外围设备可能作为网络终端出;

I

现，几种不同方式运行的计算机也可能作为网络终端出现。I

I

I

I

12.Intensity is a measure of power per unit area, and even a laser that emits only a few milli-watts can ?

I

i produce a lot of intensity in a beam that/s only a millimeter in diamete匚［

I 强度是每单位面积上能量的度量，即使一个仅产生几毫瓦能量的激光器也能产生一个直径I

I 只

有1毫米的高强度光束。i

I

13.At present, the state of most semiconductor device technology is such that the device design and ?

I

I process technology must be supplemented by screening and inspection procedures, if ultimate device

I reliability is to be obtained and controlled.目前，大多数半导体器件的技术尚未十分完善，以至若|

I

-

■ 要获得并控制器件最终的可靠性，就必须辅以筛选和检验，以弥补设计和工艺技术之不足I

I

I

-

14.Because of the very high open-loop voltage gain of the op-amp, the output is driven into positive i

i

-

■

I saturation (close to +V) when the sample voltage goes slightly above the reference voltage, and driven

I

I into negative saturation (close to-V) when the sample voltage goes slightly below the reference ：

I

I voltage.由于运放的开环电压增益很高，当取样电压略高于参考电压时，输出趋向于正向饱和］

I

I 状

态(接近+v)。当取样电压低于参考电压时，输出趋向于负向饱和状态(接近-V)。i

15.Intergraded circuits are also classified according to their functions. Digital or logical IC are used as \

-

■

I

-

I switches, they are either on or off. In computers the on and off states correspond to 0 or 1.Other IC is

I

- called linear or analog IC.也可根据其功能不同对集成电路进行分类。数字IC（也称为逻辑IC）[

I 通

常用作开关，表示接通或关断。在计算机中，接通和关断状态分别对应“（T或“1覽另一种ic| 被称为线性或模拟IC。[