Question: Show from Eqs. (8.65) and (8.66) that with x[n] as an N-point sequence and X[k] as its N-point DFT, This equation is commonly referred to

Show from Eqs. (8.65) and (8.66) that with x[n] as an N-point sequence and X[k] as its N-point DFT,

This equation is commonly referred to as Parseval?s relation for the DFT.

Ex[n]W". 0 sk < N-1. X[k] = (8.65) %3D n=0 0, otherwise.

Ex[n]W". 0 sk < N-1. X[k] = (8.65) %3D n=0 0, otherwise. N-1 EX[k]W", 0sns N- 1, x[n] = (8.66) k=0 0, otherwise. N-1 N-1 1 2. n=0

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