测控专业英语课后单词及翻译.docx

1、测控专业英语课后单词及翻译P1U1A Electrical Networks 电路 network n. 网络，电路resistor n. 电阻器inductor n. 电感器capacitor n. 电容器passive network 无源网络active network 有源网络characteristic adj. 特性(的)；n. 特性曲线Ohm n. 欧姆Faraday n. 法拉第electric charge 电荷integral n. 积分increment n. 增量armature n. 电枢，衔铁，加固aforementioned adj. 上述的，前面提到的repre

2、sent v. 代表，表示，阐明amplify v. 放大symbolic adj. 符号的，记号的mesh n. 网孔Kirchhoffs first law 基尔霍夫第一定律loop current 回路电流voltage drop 电压降in series 串联differential adj. 微分的；n. 微分variable n. 变量outline n. 轮廓；v. 提出的要点eliminate v. 消除，对消1 In the case of a resistor, the voltage-current relationship is given by Ohms law, w

3、hich states that the voltage across the resistor is equal to the current through the resistor multiplied by the value of the resistance.就电阻来说，电压电流的关系由欧姆定律决定。欧姆定律指出：电阻两端的电压等于电阻上流过的电流乘以电阻值。Which做关系代词，以引出非限制性定语从句。2It may be that the inductor voltage rather than the current is the variable of interest i

4、n the circuit.或许在电路中，人们感兴趣的变量是电感电压而不是电感电流。P1U2A The Operational Amplifier 运算放大器 amplifier n. 放大器integrated circuit 集成电路building blocks 积木potential n. (电)势cascade n., v. 串联；adj. 串联的 on the order of 属于同类的，约为trade off 换取cumbersome adj. 麻烦的intrinsic adj. 内在的circuitry n. 电路 1 One problem with electronic

5、devices corresponding to the generalized amplifiers is that the gains, AU or AI, depend upon internal properties of the two-port system.对应于像广义放大器这样的电子装置，一个问题就是增益 AU 或者AI ，它们取决于两输入端系统的内部特性。2 This is one of the key features of Op-Amp designthe action of the circuit on signals depends only upon the ext

6、ernal elements which can be easily varied by the designer and which do not depend upon the detailed character of the Op-Amp itself.这是运算放大器设计的重要特征之一在信号作用下，电路的动作仅取决于能够容易被设计者改变的外部元件，而不取决于运算放大器本身的细节特性。P1U3A Logical Variables and Flip-flop 逻辑变量与触发器 flip-flop n. 触发器relevance n. 关联terminology n. 术语aptness

7、n. 恰当pilot n. 飞行员aloft adv. 高高地cockpit n. 坐舱deduce v. 演绎simultaneously adv. 同时地Boolean algebra 布尔代数gate n. 门，门电路prevalent adj. 流行的inhibit v. 抑制难句翻译1 We shall now briefly discuss the relevance of such terminology, and in so doing we shall bring out the special aptness of the designations “true” and “

8、false” to identify the possible values of a variable.现在我们将简要地讨论一下这些术语之间的关联，并在此过程中阐明用标示“真”和“假”来识别一个变量的可能值的特殊用途。2 Just as other algebras deal with variables which have a numerical significance, Boolean algebra deals with propositions and is an effective tool for analyzing the relationships between pro

9、positions which allow only two mutually exclusive alternatives.和其他处理有数字意义的变量的代数一样，布尔代数处理的是命题，而且布尔代数对于分析仅有两个互反变量命题之间的关系是一种有效的工具。3 There is a generally prevailing attitude in digital systems to view logic 0 as a basic, undisturbed, unperturbed, quiescent state and to view the logic 1 state as the exci

10、ted, active, effective state, i.e., the state arrived at “after something has happened.”在数字系统中，普遍的观点是把逻辑0看成一个基本的、无干扰的、稳定的、静止的状态，把逻辑1看成一个激励的、活跃的、有效的状态，也就是说，这种状态是发生在“某种操作动作之后”。P1U4A Power Semiconductor Devices 功率半导体器件 converter n. 转换器，换流器，变流器matrix n. 模型，矩阵diode n. 二极管，半导体二极管thyristor n. 晶闸管triac n. 三

11、端双向晶闸管GTO 门极可关断晶闸管BJT 双极结型晶体管power MOSFET 电力MOS场效应晶体管SIT 静态感应晶体管IGBT 绝缘栅双极型晶体管MCT MOS控制晶闸管IGCT 集成门极换向晶闸管rectification n. 整流feedback n. 反馈freewheeling n. 单向传动snubber n. 缓冲器，减震器intrinsic adj. 固有的，体内的，本征forward biased 正向偏置conduction n. 导电，传导emitter n. 发射极reverse biased 反向偏置leakage current 漏电流threshold

12、n. 门限，阈限，极限breakdown n. 击穿，雪崩recovery n. 恢复schottky diode 肖基特二极管workhorse n. 重载，重负荷thyratron n. 闸流管breakover n. 导通latching current 闭锁电流holding current 保持电流phase controlled 相控的asymmetric adj. 不对称的force commutated 强制换向SMPS 开关电源BLDM 无刷直流电动机stepper motor 步进电动机hybrid n. 混合saturation n. 饱和 难句翻译:1 Power di

13、odes provide uncontrolled rectification of power and are used in applications such as electroplating, anodizing, battery charging, welding, power supplies (DCand AC), and variable-frequency drives.电力二极管提供不可控的整流电源，这些电源有很广的应用，如：电镀、电极氧化、电池充电、焊接、交直流电源和变频驱动。2 A gate turn-off thyristor (GTO), as the name

14、indicates, is basically a thyristor-type device that can be turned on by a small positive gate current pulse, but in addition，has the capability of being turned off by a negative gate current pulse门极可关断晶闸管，顾名思义，是一种晶闸管类型的器件。同其他晶闸管一样，它可以由一个小的正门极电流脉冲触发，但除此之外，它还能被负门极电流脉冲关断。3 Such a gate current pulse of

15、 very short duration and very large di/dt has small energy content and can be supplied by multiple MOSFETs in parallel with ultra-low leakage inductance in the drive circuit.这样一个持续时间非常短、di/dt非常大、能量又较小的门极电流脉冲可以由多个并联的MOSFET来提供，并且驱动电路中的漏感要特别低。 P1U5A Types of DC Motors 直流电机分类 commercially adv. 工业地，商业地permanent-magnet DC motor 永磁直流电动机series-wound DC motor 串励直流电动机shunt-wound DC motor 并励直流电动机compound-wound DC motor 复励直流电动机counterpart n. 对应物，配对物brush n. 电刷commutator n. 换向器，整流器assembly n. 装置，构件stator n. 定子rotor