英语考试翻译

英译汉

电阻resistance 移位寄存器shift register

技术说明书data sheet 二进制binary

时序图timing diagram

偏置电压漂移Bias voltage drift 可预置的presetable

三极管audion 二极管diode

频分多址FPMA 服务器server

下降沿trailing edge 异步synchronous

客户端client 蜂窝网cell web

子载波sub filed 附件appendix

硬件hardware 电容capacitance

数据流data stream 防火墙firewall

协议protocol 信息安全information safe

专业领域professional field 人工智能artificial intelligence 软件平台software platform 宽带码分多址WCDMA

无限冲击响应滤波器IIR 视频会议video conferencing

信噪比signal-to-noise ratio

互信息mutual information 串行并出serial- in parallel—out 微带天线microstrip antenna 外设peripheral

压控振荡器voltage controlled oscillator

传感器阵列sensor array WCDMA

现场可编程门阵列感抗FPGA

数字信号处理DSP Digital Signal Processing

感抗 inductive reactance

英译汉

Consider a requirement for an amplifier having a voltage gain of 10 at 50 kHz driving into a 10 kW load.3

考虑对一个50kHz频率时电压增益为10的放大器驱动10kW 负载时的要求

Many op amp specifications include only typical values for offset voltage drift; this may well be in the order of 5 mV/C, with an unquoted maximum for any device of 30 mV/ C.11

许多运放技术指标仅仅给出补偿电压偏移的典型值，这很可能会在5 mV/C的数量级，而未给出任何器件可以达到的最大值30 mV/C 。

It is simply a set of flip-flops (usually D latches or RS flip-flops) connected together so that the output of one becomes the input of the next, and so on in series.1

它就是一组触发器（通常是D锁存器或RS触发器）联在一起，使其中一个触发器的输出成为下一个的输入，依此形成一串。

On the leading edge of the next clock pulse, the contents of the first flip-flop is stored in the second flip-flop, and the signal which is present at the DATA input is stored in the first flip-flop, etc.

在下一个时钟脉冲的前沿，第一个触发器的内容被存放到第二个触发器中，而在数据输入端的信号则存放在第一个触发器中，依此类推。

Roughly speaking, the transistor can be likened to an electronically controlled valve whereby energy applied to one connection of the valve enables energy to flow between two other connections.

粗略地说，晶体管好似一种电子控制阀，由此加在阀一端的能量可以使能量在另外两个连接端之间流动。

It is called N-channel, because the gate voltage induces an N-channel within the substrate, enabling current to flow between the N-regions.

因为栅极电压诱导基底上的N通道，使电流能在两个N区域之间流动。

This testing demonstrates that the device will function correctly over all extremes of the process, voltage and temperature.

这一测试表明器件将在所有极端的过程、电压、温度下正常工作。

Conversely, unless the noise exceeds a certain threshold, the information contained in digital signals will remain intact.

相反，只要噪声不超过一定的阈值，数字信号中的信息是不会丢失的。

Each mobile receives and transmits information from and to the base station via two RF channels called the “forward channel”or “downlink”and the “reverse channel”or “uplink,”respectively.

每个移动单元通过两个射频信道接收来自基站的信息并向基站发射信息，这两个信道分别称为前向信道或下行链路，以及逆向信道或上行链路。

Sampling theorem states that the sampling frequency must be greater from twice the bandwidth of the signal

采样定理指出采样频率必须大于信号带宽的两倍。

汉译英

1.在温度，时间和供给电压下的闭环增益的精确性和稳定性。

Closed loop gain accuracy,stability with temperature,time and supply voltage.

2.电源要求，电压和负载阻抗，功率消耗。

Power supply requirements,source and load impedances,power dissipation.

3.输入误差电压和偏置电流，输入输出电阻，随着时间和温度的漂移。

Input error voltages and bias currents.Input and output resistance,drift with time and temperature.

4.频率响应，相位偏移，输出变化范围，瞬态响应，电压转换速率，频率稳定性，电容性负载驱动，过载恢复。

Frequency response,phase shift,output swing,transient response,slew rate,frequency stability,capacitive load driving,overload recovery.

5.线性，失真和噪声。

Linearity,distortion and noise.

6.输入，输出或电源保护要求，输入电压范围，共模抑制。

Input,output or supply protection required.Input voltage range,common-mode rejection.

7.外部补偿调整要求。

External offset trimming requirement.

不是所有的指标项都是有关的，但要记住最初就考虑它们会更好，而不要被迫返工。

Not all of these terms will be relevant,but it is useful to remember that it is better to consider them initially rather than to be forced into retrospective modifications.

汉译英

所有参数可以大范围变化

All parameters are subject to wide variations

不要忽略这样一个事实。有多少次是在用典型值设计好电路后发现（该电路）只是因为使用的器件不典型而不能工作？这就提出一个棘手的问题：在设计中何时应该使用典型值，何时应该使用最不利值？

这是经验丰富的设计人员也必须进行的判断。显然，如果某些性能要求是强制性的，则一定要用最不利情况下的数值。然而在许多情况下某一规定性能是否可以取得将在易实现性，重要性，经济性之间取得折中。

Never forget this fact.How many times has a circuit been designed using typical values,only to find that the circuit does not work because the device used is not typical?The above statement thus poses a tricky question:when should typical values and when should worst-case values be used in the design?This is where the judgment of the experienced designer must be brought to bear.Clearly,if certain performance requirements are mandatory,then worst-case values must be used.In many cases,however,the desirability of a certain defined performance will be a compromise between ease of implementation,degree of importance,and economic considerations.

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