Consider the system in figure. The input signal x c (t) has the Fourier transform shown in

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Consider the system in figure. The input signal x_c(t) has the Fourier transform shown in figure with ?₀ = 2? (1000) radians/second. The discrete-time system is an ideal lowpass filter with frequency response

(a) What is the minimum sampling rate F_s = 1/T such that no aliasing occurs in sampling the input?

(b) If ?_c = ? / 2, what is the minimum sampling rate such 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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Consider the system in figure. The input signal x c (t) has the Fourier transform shown in

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S1. lw) < w. 0. otherwise. H(eie) =

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a The Nyquist sampling prop...View the full answer

Discrete Time Signal Processing

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