1驱动点函数 h()=E(S) (S) (S)驱动点阻抗 HISY-I(S) 驱动点导纳 E(S) 2转移函数(传递函数) (S)=3( 1(S) 12(S) U1(S) U1(S) U2(S) z(S)=22(S) 1(S) K1(S)=2(3 K2(S) (S) U1(S) 1(S)1.驱动点函数 E(S) I(S) ( ) ( ) ( ) I S E S H S = ( ) ( ) ( ) E S I S H S = 驱动点阻抗 驱动点导纳 2.转移函数(传递函数) ( ) ( ) ( ) 1 2 U S I S Y S = ( ) ( ) ( ) 1 2 I S U S Z S = ( ) ( ) ( ) 1 2 1 U S U S K S = ( ) ( ) ( ) 1 2 2 I S I S K S = U2 (S) I2 (S) U1 (S) I1 (S)