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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x [n] 2 3 6. 4.
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Related Book For
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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