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(d) Sketch the spectrum of the sampled signal xs(t) when: = 1.5 Nyquist rate = 0.25 Nyquist rate а. f b. fs

(d) Sketch the spectrum of the sampled signal xs(t) when: = 1.5 Nyquist rate = 0.25 Nyquist rate а. f b. fs

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
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I need part D and the part below D
Consider the signal x(t) x(t) = sinc (a) Find the Fourier transform of x(t) (b) Determine the bandwidth of the signal (c) Determine the Nyquist rate (d) Sketch the spectrum of the sampled signal xs(t) when: a. fs = 1.5 Nyquist rate b. f = 0.25 Nyquist rate and comment on the result. Which case is corresponding to oversampling? Which case is corresponding to undersampling? When does aliasing occur? P,(t) TW OT sinc 2T Tt +2mp,(w) T sinc 2|t| 1 - TW sinc sinc Tt +27 1 cos(@t) T[8(@ + wo) + 8(@ – w)]
Transcribed Image Text:Consider the signal x(t) x(t) = sinc (a) Find the Fourier transform of x(t) (b) Determine the bandwidth of the signal (c) Determine the Nyquist rate (d) Sketch the spectrum of the sampled signal xs(t) when: a. fs = 1.5 Nyquist rate b. f = 0.25 Nyquist rate and comment on the result. Which case is corresponding to oversampling? Which case is corresponding to undersampling? When does aliasing occur? P,(t) TW OT sinc 2T Tt +2mp,(w) T sinc 2|t| 1 - TW sinc sinc Tt +27 1 cos(@t) T[8(@ + wo) + 8(@ – w)]
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