In Figure, x[n] = x c (nT) and y[n] = x[2n]. (a) Assume that x c (t)

Question:

In Figure, x[n] = x_c(nT) and y[n] = x[2n].

(a) Assume that x_c(t) has a Fourier transform such that X_c(j?) = 0, |?| > 2? (100). What value of T is required so that?

X(e^j?) = 0, ? ? ? ??/2

(b) How should T? be chosen so that y_c(t) = x_c(t)?

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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 02:56 AM

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In Figure, x[n] = x c (nT) and y[n] = x[2n]. (a) Assume that x c (t)

Question:

D/C 12 C/D x[n] y[n] y.(1) *(1) T'

Step by Step Answer:

a Since T 2100 T 2 T 1400 b The downsampl...View the full answer

Discrete Time Signal Processing

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