资源共享,仅供参考
cos ω 0 t u (t ) ← →L
s 2 s 2 + ω0
Re( s ) > 0
sin ω 0 t u (t )
← →L
ω0 2 2 s + ω01 sn
Re( s ) > 0 Re(s) > ∞ Re(s) > ∞
δ (t ) δ(n)
← →L
(t )
← →L
资源共享,仅供参考
cos ω 0 t u (t ) ← →L
s 2 s 2 + ω0
Re( s ) > 0
sin ω 0 t u (t )
← →L
ω0 2 2 s + ω01 sn
Re( s ) > 0 Re(s) > ∞ Re(s) > ∞
δ (t ) δ(n)
← →L
(t )
← →L