Given the DFT coefficients represented by the vector [mathbf{X}=left[begin{array}{llllllll}9 & 1 & 1 & 9 & 1

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Given the DFT coefficients represented by the vector

\[\mathbf{X}=\left[\begin{array}{llllllll}9 & 1 & 1 & 9 & 1 & 1 & 1 & 1\end{array}\right]^{\mathrm{T}}\]

(a) determine its length-8 IDFT;

(b) determine the sequence whose length- 8 DFT is given by \(Y(k)=W_{8}^{-4 k} X(k)\).

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Related Book For  answer-question

Digital Signal Processing System Analysis And Design

ISBN: 9780521887755

2nd Edition

Authors: Paulo S. R. Diniz, Eduardo A. B. Da Silva , Sergio L. Netto

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