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1、電路的基本概念及定律電源source電壓源voltagesource電流源currentsource理想電壓源idealvoltagesource理想電流源idealcurrentsource伏安特性volt-amperecharacteristic電動(dòng)勢(shì)electromotiveforce電壓voltage電流current電位potential電位差potentialdifference歐姆Ohm伏特Volt安培Ampere瓦特Watt焦耳Joule電路circuit電路元件circuitelement電阻resistance電阻器resistor電感inductance電
2、感器inductor電容capacitance電容器capacitor電路模型circuitmodel參考方向referencedirection參考電位referencepotential歐姆定律Ohm’slaw基爾霍夫定律Kirchhoff’slaw基爾霍夫電壓定律Kirchhoff’svoltagelaw（KVL）基爾霍夫電流定律Kirchhoff’scurrentlaw（KCL）結(jié)點(diǎn)node支路branch回路loop網(wǎng)孔mesh支路電流法branchcurrentanalysis網(wǎng)孔電流法meshcurrentanalysis結(jié)點(diǎn)電位法nodevoltageanaly
3、sis電源變換sourcetransformations疊加原理superpositiontheorem網(wǎng)絡(luò)network無(wú)源二端網(wǎng)絡(luò)passivetwo-terminalnetwork有源二端網(wǎng)絡(luò)activetwo-terminalnetwork戴維寧定理Thevenin’stheorem諾頓定理Norton’stheorem開(kāi)路（斷路）opencircuit短路shortcircuit開(kāi)路電壓open-circuitvoltage短路電流short-circuitcurrent交流電路直流電路directcurrentcircuit(dc)交流電路alternatingcu
4、rrentcircuit(ac)正弦交流電路sinusoidala-ccircuit平均值averagevalue有效值effectivevalue均方根值root-mean-squirevalue(rms)瞬時(shí)值instantaneousvalue電抗reactance感抗inductivereactance容抗capacitivereactance法拉Farad亨利Henry阻抗impedance復(fù)數(shù)阻抗compleximpedance相位phase初相位initialphase相位差phasedifference相位領(lǐng)先phaselead相位落后phaselag倒相，反相
5、phaseinversion頻率frequency角頻率angularfrequency赫茲Hertz相量phasor相量圖phasordiagram有功功率activepower無(wú)功功率reactivepower視在功率apparentpower功率因數(shù)powerfactor功率因數(shù)補(bǔ)償power-factorcompensation串聯(lián)諧振seriesresonance并聯(lián)諧振parallelresonance諧振頻率resonancefrequency頻率特性frequencycharacteristic幅頻特性amplitude-frequencyresponsecha
6、racteristic相頻特性phase-frequencyresponsecharacteristic截止頻率cutofffrequency品質(zhì)因數(shù)qualityfactor通頻帶pass-band帶寬bandwidth(BW)濾波器filter一階濾波器first-orderfilter二階濾波器second-orderfilter低通濾波器low-passfilter高通濾波器high-passfilter帶通濾波器band-passfilter帶阻濾波器band-stopfilter轉(zhuǎn)移函數(shù)transferfunction波特圖Bodediagram傅立葉級(jí)數(shù)Fouri
7、erseries三相電路三相電路three-phasecircuit三相電源three-phasesource對(duì)稱三相電源symmetricalthree-phasesource對(duì)稱三相負(fù)載symmetricalthree-phaseload相電壓phasevoltage相電流phasecurrent線電壓linevoltage線電流linecurrent三相三線制three-phasethree-wiresystem三相四線制three-phasefour-wiresystem三相功率th
