The even part of a real sequence x[n] is defined by Suppose that x[n] is a real

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The even part of a real sequence x[n] is defined by

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Suppose that x[n] is a real finite-length sequence defined such that x[n] = 0 for n

(a) Is Re{x[k]} the DFT of xe[n]?

(b) What is the inverse DFT of Re{X [k]} in terms of x[n]?

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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