拉氏变换对照表序号 )(tf )(sF1 1 12 ate as3 mt 1!m4 ate 1)(as5 tsin 26 aco as7 tsin 2)(8 atco 2)(as9 u(t) 1 2s11 u(t)m 1!m12 113 )(tn ns14 )1atbte )(ba15 )(atbt )(s16 )(1btatea )(1ba17 teatsin 2)(as18 tatco 2)(19 )1(2atet)(12as20 )1sin(22n ttb 22n21)i(12n2 tetb)(2arctg 22ns22)1sin(122 tetb)(arctg )2(2nnss