例题 给定如下的G(s),试计算d和E s+2 G(s)=s2+2s+1s2+s+2 s2+2s+1s2+2s+4 解d1=min12]-1=0,d2=min[221=1 E1=1msG1(s)=[10],E2=ms2G4s)[134 例题 给定如下的G(s)，试计算di和Ei           + + + + + + + + + = 2 4 3 2 1 1 2 1 2 1 2 ( ) 2 2 2 2 s s s s s s s s s G s 解 d1 =min[1,2]-1=0 , d2 =min[2,2]-1=1 E1 = sG1 (s)=[1 0] , E2= s 2G2 → (s)=[1 3] s Lim s→ Lim