求S(t) u(t) -u(-t) e*u(t) -eu(-t) §(t-T) Sinwot u(t) Coswot-u(t) eaSinwot-u(t) e Coswot-u(t)的拉普拉斯变换并给出对应的过程
3216765274-45yaL
求S(t)
u(t)
-u(-t)
e*u(t)
-eu(-t)
§(t-T)
Sinwot u(t)
Coswot-u(t)
eaSinwot-u(t)
e Coswot-u(t)的拉普拉斯变换并给出对应的过程
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