②西业大兽 复习拉瞢拉斯变换有关内容7B +…+1+m1+…… (s-1)(s-n1) S-PI S-p 1 "F=Cm+Cm(Sn)+Cm2!S7)2+…+C(nm1+Cms/++C/n lim(s-Pu"F(S=C s→p 公-n八,fF=0+Cm1+2Cn2(S-1)+…+(m-1)C1(S-p1)m2+ 1:5-Pdls-p"F(s=Cml 2[s-n),F]=0+0+2Cm2+…+(m-1)(m-2)C{(-n1)"-+ ds im2s-p1)".F(S小」=C 2! s→P1复习拉普拉斯变换有关内容(18) n n m m m- m- m m s-p C s-p C s-p C (s-p ) C (s-p ) C F(s) 1 1 1 1 1 1 1 1 m m s p (s p ) .F(s) C 1 1 lim 1 1 1 2 1 1 1 2 1 m m m- m- m (s-p ) F(s) C C (s-p ) C (s-p ) C (s-p ) n m n m m m s-p C (s-p ) s-p C (s-p ) 1 1 1 1 (s p1 )m .F(s) 0 Cm1 2Cm2 (s p1 ) (m 1)C1 (s p1 )m2 ds d 1 1 1 lim 1! 1 m- m s p (s p ) .F(s) C ds d 2 1 2 1 1 3 2 0 0 2 ( 1)( 2) ( )m m m (s p ) .F(s) C m m C s p ds d 2 1 2 2 1 lim 2! 1 m- m s p (s p ) .F(s) C ds d