例2.脉冲序列分析 1.RC电路在单个脉冲作用的响应 R t>T 0 十 t<0 R C 1(0<t<T 0<<<T ()=ua(∞)+[un1(0+)-aa(∞)le ug1(0+)=un1(0)=0u1(∞)=1τ=RC u1(t)=1-e"Cv,t>0 uRI(t=e Rc v, t>0 t =e Rc A, t>0 R例2. 脉冲序列分析 1. RC电路在单个脉冲作用的响应 R C us uR uc i 1 0 T t us u 1 (0 t T) s =   us = 0  0  t t T 1. 0<t<T RC t c c c c u t u u u e − + ( ) = () + [ (0 ) − ()] 1 1 1 1 uc1 (0 ) = uc1 (0 ) = 0V + − uc1 () = 1V  = RC 1 ( ) = 1− ,  0 − u t e V t RC t c 1 ( ) = ,  0 − u t e V t RC t R , 0 1 ( ) 1 =  − e A t R i t RC t