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A signal f(t) is sampled at a rate of wo rad/s to give a sampled signal fs(t). The Fourier transform of f(t) is F (w) is shown graphically in Figure A1. Sketch the spectrum of the sampled signal, denoted by F(w), for the cases: wo > 2wm, wo = 4wm/3, and wo = wm. In each case, indicate the spectrum that appears at the output of an ideal reconstruction filter. 1 F(w) -@m -0/3 0 00/3 Figure A1: Fourier transform of f(t). @ m 3 (0) C

A signal f(t) is sampled at a rate of wo rad/s to give a sampled signal fs(t). The Fourier transform of f(t) is F (w) is shown graphically in Figure A1. Sketch the spectrum of the sampled signal, denoted by F(w), for the cases: wo > 2wm, wo = 4wm/3, and wo = wm. In each case, indicate the spectrum that appears at the output of an ideal reconstruction filter. 1 F(w) -@m -0/3 0 00/3 Figure A1: Fourier transform of f(t). @ m 3 (0) C

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A signal f(t) is sampled at a rate of wå rad/s to give a sampled signal fs(t). The Fourier transform of f(t) is F (w) is shown graphically in Figure A1. Sketch the spectrum of the sampled signal, denoted by F(w), for the cases: wo > 2wm, wo 4wm/3, and wo = Wm. In each case, indicate the spectrum that appears at the output of an ideal reconstruction filter. 1 m F(w) = -0/30 0/3 @m Figure A1: Fourier transform of ƒ (t). 3 (=
Transcribed Image Text:A signal f(t) is sampled at a rate of wå rad/s to give a sampled signal fs(t). The Fourier transform of f(t) is F (w) is shown graphically in Figure A1. Sketch the spectrum of the sampled signal, denoted by F(w), for the cases: wo > 2wm, wo 4wm/3, and wo = Wm. In each case, indicate the spectrum that appears at the output of an ideal reconstruction filter. 1 m F(w) = -0/30 0/3 @m Figure A1: Fourier transform of ƒ (t). 3 (=
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