Two finite-length sequences x[n] and x 1 [n] are shown in Figure. The N-point DFTs of these

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Two finite-length sequences x[n] and x1[n] are shown in Figure. The N-point DFTs of these sequences, X[k] and X1[k], respectively, are relate by the equation

X1[k] = X[k]ej2?k2/N,

where N is an unknown constant. Can you determine a value of N consistent with Figure? Is your choice for N unique? If so, justify your answer. If not, find another choice of N consistent with the information given.

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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