(a) Suppose x n 0, n 0, n (N 1), is an N point sequence having at least one nonzero sample Is it possible for such a sequence to have a DTFT X(e j2k M ) 0, k 0, 1 M 1, where M is an integer greater than or equal to N If your answer is yes, construct an example If your answer is so, explain your rea...

a b No xfn only has N degrees of freedom and we have M2 N constra ...

(a) Suppose x[n] = 0, n < 0, n > (N 1), is an N-point sequence...

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(a) Suppose

x[n] = 0, n < 0, n > (N – 1),

is an N-point sequence having at least one nonzero sample. Is it possible for such a sequence to have a DTFT

X(e^j2πk/M) = 0, k = 0, 1….. M − 1,

where M is an integer greater than or equal to N? If your answer is yes, construct an example. If your answer is so, explain your reasoning.

(b) Suppose M < N. Repeat part (a).

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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Question Posted: May 26, 2011 02:57 AM

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(a) Suppose x[n] = 0, n < 0, n > (N 1), is an N-point sequence...

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Discrete Time Signal Processing

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