导抗西数特糁菡数元量纲画数 26 ① 2 VS vIS z(s)=y(s)=212(s)=y2(S)=|H2(s)H12)= (s)v2()|12(s)|v2() (s)导抗函数 转移函数 无量纲函数 ( ) ( ) ( ) I s v s z s = ( ) ( ) ( ) v s I s y s = ( ) ( ) ( ) 1 2 12 I s v s z s = ( ) ( ) ( ) 1 2 12 v s I s y s = ( ) ( ) ( ) 1 2 12 v s v s H s = ( ) ( ) ( ) 1 2 12 I s I s H s = v(s) I(s) I(s) v(s) 1 I V2 V1 2 I V1 V2 1 I 2 I