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1、本文由天阔海涌贡献doc文档可能在WAP端浏览体验不佳。建议您优先选择TXT，或下载源文件到本机,查看。电路的基本概念及定律source[s?:s]电压源voltage电源source电流源,currentsource理想电压源idealvoltagesource理想电流源idealcurrents,ource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A
2、mpere瓦特Watt焦耳Joule电路circuit电路元件circuitele,ment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referencedir,ection参考电位referencepotential欧姆定律Ohm’slaw基尔霍夫定律Kirc,hhoff’slaw基尔霍夫电压定律Kirchhoff’s基尔霍夫电流定律Kirchhoff’sc,urrentvoltagelaw（KVL）
3、law（KCL）结点node支路branch回路loop网孔,mesh支路电流法branchcurrentanalysis网孔电流法meshcurrentanalysis结,点电位法node电源变换sourcetransformations叠voltageanalysis加原理s,uperpositiontheorem网络network无源二passivetwo-terminalnetwork有源,二端网络端网络activetwo-terminalnetwork戴维宁定理Thevenin’stheorem,诺顿定理Norton’stheor
4、em开路（断路）open短路shortcircuit开路电压o,pen-circuitcircuitvoltage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effectivevalu,e均方根值root-mean-squirevalue值(rms)瞬时值instantaneousvalue电抗,reactance感抗i
5、nductivereactance容抗capacitivereactance法拉Farad亨,利Henry阻抗impedance复数阻抗compleximpedance相位phase初相位相位,差phasedifference相位领先initialphasephaselead相位落后phaselag,倒相，反相phaseinversion频率frequency角频率angularfrequency赫兹H,ertz相量phasor相量图phasordiagram有功功率activepower无功功率reac,tivepower视在功率appa
6、rentpower功率因数powerfactor功率因数补偿powe,r-factorcompensation串联谐振seriesresonance并联谐振parallelresonanc,e谐振频率resonancefrequency频率特性frequencycharacteristic幅频特,性amplitude-frequencyresponsecharacteristic相频特性phase-frequency截,止频率cutofffrequency品responsecharacteristic质因数qualityfactor通频带p
7、ass-band带宽bandwidth(BW)滤波器fil,ter一阶滤波器first-orderfilter二阶滤波器second-orderfilter低通滤波器,高通滤波器high-passfilter带通滤波器low-passfilterband-passfilter带,阻滤波器band-stopfilter转移函数transferfunction波特图Bodediagram傅,立叶级数Fourierseries三相电路三相电路three-phasecircuit三相电源thr,ee-phasesource对称三相电源对称三相负载s
8、ymmetricalthree-phasesources,ymmetricalthree-phaseload相电压phasevoltage相电流phasecurrent线电,压l
