大工电气工程专业英语词汇(考研复试)

1、电气专业英语词汇翻译网站：叠加原理superposition theorem无源二端网络passive two-terminal network有源二端网络active two-terminal network戴维宁定理Thevenins theorem诺顿定理Nortons theorem正弦交流电路sinusoidal a-c circuit均方根值root-mean-squire value (rms)瞬时值 instantaneous value电抗 reactance感抗 inductive reactance容抗 capacitive reactance法拉 Farad亨利 Hen

2、ry阻抗 impedance复数阻抗complex impedance相位 phase初相位 initial phase相位差 phase difference相位超前phase lead相位滞后phase lag倒相，反相phase inversion角频率 angular frequency赫兹 Hertz相量 phasor相量图 phasor diagram视在功率apparent power功率因数补偿power-factor compensation串联谐振series resonance并联谐振parallel resonance幅频特性amplitude-frequency re

3、sponse characteristic相频特性phase-frequency response characteristic截止频率cutoff frequency品质因数quality factor通频带 pass-band带宽 bandwidth (BW)滤波器 filter一阶滤波器first-order filter二阶滤波器second-order filter低通滤波器low-pass filter高通滤波器high-pass filter带通滤波器band-pass filter带阻滤波器band-stop filter转移函数transfer function波特图 Bod

4、e diagram傅立叶级数Fourier series三相电路three-phase circuit三相电源three-phase source对称三相电源symmetrical three-phase source对称三相负载symmetrical three-phase load相电压 phase voltage相电流 phase current线电压 line voltage线电流 line current三相三线制three-phase three-wire system三相四线制three-phase four-wire system三相功率three-phase power星形连

5、接star connection(Y-connection)三角形连接triangular connection(D- connection ,delta connection)中线 neutral line暂态 transient state稳态 steady state暂态过程，暂态响应transient response换路定理law of switch一阶电路first-order circuit三要素法three-factor method时间常数time constant积分电路integrating circuit微分电路differentiating circuit磁路与变压器

6、磁场 magnetic field磁通 flux磁路 magnetic circuit磁感应强度flux density磁通势 magnetomotive force磁阻 reluctance直流电动机dc motor交流电动机ac motor异步电动机asynchronous motor同步电动机synchronous motor三相异步电动机three-phase asynchronous motor单相异步电动机single-phase asynchronous motor旋转磁场rotating magnetic field定子 stator转子 rotor转差率 slip起动电流st

7、arting current起动转矩starting torque额定电压rated voltage额定电流rated current额定功率rated power机械特性mechanical characteristic按钮 button熔断器 fuse开关 switch行程开关travel switch继电器 relay接触器 contactor常开 ( 动合 ) 触点 normally open contact常闭 ( 动断 ) 触点 normally closed contact时间继电器time relay热继电器thermal overload relay中间继电器intermed

8、iate relay可编程控制器programmable logic controller语句表 statement list梯形图 ladder diagram本征半导体intrinsic semiconductor掺杂半导体doped semiconductorP 型半导体 P-type semiconductorN 型半导体 N-type semiconductor自由电子free electron空穴 hole载流子 carriersPN结 PN junction扩散 diffusion漂移 drift二极管 diode硅二极管silicon diode锗二极管germanium di

9、ode阳极 anode阴极 cathode发光二极管light-emitting diode (LED)光电二极管photodiode稳压二极管Zener diode晶体管（三极管）transistorPNP型晶体管PNP transistorNPN型晶体管NPN transistor发射极 emitter集电极 collector基极 base电流放大系数current amplification coefficient场效应管field-effect transistor (FET)P 沟道 p-channelN 沟道 n-channel结型场效应管junction FET（ JFET）金

10、属氧化物半导体metal-oxide semiconductor (MOS)耗尽型 MOS场效应管 depletion mode MOSFET（ D-MOSFET）增强型 MOS场效应管 enhancement mode MOSFET（ E-MOSFET）源极 source栅极 grid漏极 drain跨导 transconductance夹断电压pinch-off voltage热敏电阻thermistor开路 open短路 shorted放大器 amplifier正向偏置forward bias反向偏置backward bias静态工作点quiescent point (Q-point)等

11、效电路equivalent circuit电压放大倍数voltage gain总的电压放大倍数overall voltage gain饱和 saturation截止 cut-off放大区 amplifier region饱和区 saturation region截止区 cut-off region失真 distortion饱和失真saturation distortion截止失真cut-off distortion零点漂移zero drift正反馈 positive feedback负反馈 negative feedback串联负反馈series negative feedback并联负反馈p

12、arallel negative feedback共射极放大器common-emitter amplifier射极跟随器emitter-follower共源极放大器common-source amplifier共漏极放大器common-drain amplifier多级放大器multistage amplifier阻容耦合放大器resistance-capacitance coupled amplifier直接耦合放大器direct- coupled amplifier输入电阻input resistance输出电阻output resistance负载电阻load resistance动态电

13、阻dynamic resistance负载电流load current旁路电容bypass capacitor耦合电容coupled capacitor直流通路direct current path交流通路alternating current path直流分量direct current component交流分量alternating current component变阻器（电位器）rheostat正弦电压sinusoidal voltage差动放大器differential amplifier运算放大器operational amplifier(op-amp)失调电压offset vo

14、ltage失调电流offset current共模信号common-mode signal差模信号different-mode signal共模抑制比common-mode rejection ratio (CMRR)积分电路integrator（ circuit）微分电路differentiator（ circuit）有源滤波器active filter低通滤波器low-pass filter高通滤波器high-pass filter带通滤波器band-pass filter带阻滤波器band-stop filter波特沃斯滤波器Butterworth filter切比雪夫滤波器Chebys

15、hev filter贝塞尔滤波器Bessel filter截止频率cut-off frequency上限截止频率upper cut-off frequency下限截止频率lower cut-off frequency中心频率center frequency带宽 Bandwidth开环增益open-loop gain闭环增益closed-loop gain共模增益common-mode gain输入阻抗input impedance电压跟随器voltage-follower电压源 voltage source电流源 current source单位增益带宽unity-gain bandwidth

16、频率响应frequency response频响特性（曲线）response characteristic波特图 the Bode plot稳定性 stability补偿 compensation比较器 comparator迟滞比较器hysteresis comparator阶跃输入电压step input voltage仪表放大器instrumentation amplifier隔离放大器isolation amplifier对数放大器log amplifier反对数放大器antilog amplifier反馈通道feedback path反向漏电流reverse leakage curre

17、nt相位 phase相移 phase shift锁相环 phase-locked loop(PLL)锁相环相位监测器PLL phase detector和频 sum frequency差频 difference frequency振荡器 oscillator RC振荡器 RC oscillatorLC 振荡器 LC oscillator正弦波振荡器sinusoidal oscillator三角波发生器triangular wave generator方波发生器square wave generator幅度 magnitude电平 level饱和输出电平（电压）saturated output

18、level功率放大器power amplifier交越失真cross-over distortion甲类功率放大器class A power amplifier乙类推挽功率放大器class B push-pull power amplifier OTL功率放大器output transformerless power amplifier OCL功率放大器output capacitorless power amplifier半波整流full-wave rectifier全波整流half-wave rectifier电感滤波器inductor filter电容滤波器capacitor filte

19、r串联型稳压电源series (voltage) regulator开关型稳压电源switching (voltage) regulator集成稳压器IC (voltage) regulator晶闸管及可控整流电路晶闸管thyristor单结晶体管unijunction transistor可控整流controlled rectifier可控硅 silicon-controlled rectifier峰点 peak point谷点 valley point（ UJT）控制角 controlling angle导通角 turn-on angle门电路 gate三态门 tri-state gate

20、与门 AND gate或门 OR gate非门 NOT gate与非门 NAND gate或非门 NOR gate异或门 exclusive-OR gate反相器 inverter布尔代数Boolean algebra真值表 truth table卡诺图 the Karnaugh map逻辑函数logic function逻辑表达式logic expression组合逻辑电路combination logic circuit译码器 decoder编码器 coder比较器 comparator半加器 half-adder全加器 full-adder七段显示器seven-segment display时序逻辑电路sequential logic circuitR-S 触发器 R-S flip-flopD 触发器 D flip-flopJ-K 触发器 J-K flip-flop主从型触发器master-slave flip-f