83.1 Discrete-Time Fourier Transform Inverse discrete-time fourier transform xn]=∫X(e)eoao 2几一 Proof: XIn ∑x[(]k le Joe.jon 2兀§3.1 Discrete-Time Fourier Transform • Inverse discrete-time Fourier transform:    =  −   x n X e e d j j n ( ) 2 1 [ ]           =  −   =− −  x n x e e d j j n   [] 2 1 [ ] Proof: