[理工] [工數]-Fourier transform
大家好
想要請教一些問題
1
1. δ(2πa)=___ δ(a) δ:dirac delta
2π
這個等式會成立嘛?我翻閱書籍好像沒看到這個性質?
2. 2sint 2
(_________) 求Fourier transform
t
由 t-domain 轉換到 w-domain
ANS __ 0 w<-2
│ 2π(w+2) -2 <w<0
│ 2π(-w+2) 0<w<2
└ 0 w>2
謝謝大家的幫忙
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