传递函数的零-极点形式一般为 G ( s ) = K ( s − z 1 ) ∙ ( s − z 2 ) ∙ . . . ∙ ( s − z m ) ( s − p 1 ) ∙ ( s − p 2 ) ∙ . . . ∙ ( s − p n ) G(s)=K\frac{(s-z_1)\bullet(s-z_2)\bullet\ \ ...\ \ \bullet(s-z_m)}{(s-p_1)\bullet(s-p_2)\bullet\ \ ...\ \ \bullet(s-p_n)} G(s)=K(s−p1)