例2.脉冲序列分析 1.RC电路在单个脉冲作用的响应 R LL.=0 十 十 t<0 R C 1(0<t<T 0<<Tun1(t)=ua(∞)+u1(0+)-u1(∞)le le Rc u1(0+)=u1(0)=0VLa1(∞)=1J τ=RC u1()=1-g"c1,t>0 R ( t=o RC V t>0 i1(1)=e"CA,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