阻抗(Complex Impedance) 电阻(Resistor) W eg=Ri Z= R(s)=R R I(s) 电容(Capacitor) e-efud Zc= Ee(s）_1 I(s)Cs 电感(Inductor) di -0 e.=L Z, E,(s) =Ls I(s) School of Mechanical Engineering ME369-lecture 5.1 Shanghai Jiao Tong University Fal12015 例1-3]-阻抗法 输入e(),输出i(①) School of Mechanical Engineering ME369-lecture 5.1 Shanghal Jiao Tong University Fall 2015 55 ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 阻抗（Complex Impedance） 电感（Inductor） 电阻（Resistor） 电容（Capacitor） L di e L dt        1 C e idt C   R e Ri  ( ) ( ) R R E s Z R I s   ( ) 1 ( ) C C E s Z I s Cs   ( ) ( ) L L E s Z Ls I s   ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University [例1-3]- 阻抗法 输入ei (t) ，输出i(t)