pec电子工程英语证书考试-电子基础词汇

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1、PEC电子工程英语证书考试-电子基础词汇电源source电压源voltagesource电流源currentsource理想电压源idealvoltagesource理想电流源idealcurrentsource伏安特性volt-amperecharacteristic电动势electromotiveforce电压voltage电流current电位potential电位差potentialdifference欧姆Ohm伏特Volt安培Ampere瓦特Watt焦耳Joule电路circuit电路元件ci

2、rcuitelement电阻resistance电阻器resistor电感inductance电感器inductor电容capacitance电容器capacitor电路模型circuitmodel参考方向referencedirection参考电位referencepotential欧姆定律Ohm’slaw基尔霍夫定律Kirchhoff’slaw基尔霍夫电压定律Kirchhoff’svoltagelaw（KVL）基尔霍夫电流定律Kirchhoff’scurrentlaw（KCL）结点node支路bra

3、nch回路loop网孔mesh支路电流法branchcurrentanalysis网孔电流法meshcurrentanalysis结点电位法nodevoltageanalysis电源变换sourcetransformations叠加原理superpositiontheorem网络network无源二端网络passivetwo-terminalnetwork有源二端网络activetwo-terminalnetwork戴维宁定理Thevenin’stheorem诺顿定理Norton’stheorem开路（

4、断路）opencircuit短路shortcircuit开路电压open-circuitvoltage短路电流short-circuitcurrent交流电路直流电路directcurrentcircuit(dc)交流电路alternatingcurrentcircuit(ac)正弦交流电路sinusoidala-ccircuit平均值averagevalue有效值effectivevalue均方根值root-mean-squirevalue(rms)瞬时值instantaneousvalue电抗rea

5、ctance感抗inductivereactance容抗capacitivereactance法拉Farad亨利Henry阻抗impedance复数阻抗compleximpedance相位phase初相位initialphase相位差phasedifference相位领先phaselead相位落后phaselag倒相，反相phaseinversion频率frequency角频率angularfrequency赫兹Hertz相量phasor相量图phasordiagram有功功率activepower无功

6、功率reactivepower视在功率apparentpower功率因数powerfactor功率因数补偿power-factorcompensation串联谐振seriesresonance并联谐振parallelresonance谐振频率resonancefrequency频率特性frequencycharacteristic幅频特性amplitude-frequencyresponsecharacteristic相频特性phase-frequencyresponsecharacteristic截止

7、频率cutofffrequency品质因数qualityfactor通频带pass-band带宽bandwidth(BW)滤波器filter一阶滤波器first-orderfilter二阶滤波器second-orderfilter低通滤波器low-passfilter高通滤波器high-passfilter带通滤波器band-passfilter带阻滤波器band-stopfilter转移函数transferfunction波特图Bodediagram傅立叶级数Fourierseries{{分页}}三相

8、电路三相电路three-phasecircuit三相电源three-phasesource对称三相电源symmetricalthree-phasesource对称三相负载symmetricalthree-phaseload相电压phasevoltage相电流phasecurrent线电压linevoltage线电流linecurrent三相三线制three-phasethree-wiresystem三相四线制three-phasefour-