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B 9.15. (a) A continuous-time signal x(t) = cos 2mt is sampled every T seconds, resulting in the discrete-time signal x[n] = x(nT). Determine whether the sampled signal is periodic for (i) T=1s (ii) T = 0.1 s (iv) T= 0.130 s (iii) T= 0.125 s (v) T=5s (vi) Ts (b) For those sampled signals in part (a) that are periodic, find the number of periods.

B 9.15. (a) A continuous-time signal x(t) = cos 2mt is sampled every T seconds, resulting in the discrete-time signal x[n] = x(nT). Determine whether the sampled signal is periodic for (i) T=1s (ii) T = 0.1 s (iv) T= 0.130 s (iii) T= 0.125 s (v) T=5s (vi) Ts (b) For those sampled signals in part (a) that are periodic, find the number of periods.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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رفع ذ √9.15. 9.15. (a) A continuous-time signal x(t) = cos 2mt is sampled every T seconds, resulting in the discrete-time signal x[n] = x(nT). Determine whether the sampled signal is periodic for (i) T = 1s (iii) T= 0.125 s (v) T = 5s (ii) T= 0.1 s (iv) T= 0.130 s (vi) T = s (b) For those sampled signals in part (a) that are periodic, find the number of periods. of x() in one period of x[n]. (c) For those sampled signals in part (a) that are periodic. find the number of samples in one period of x[n]. " divorata time
Transcribed Image Text:رفع ذ √9.15. 9.15. (a) A continuous-time signal x(t) = cos 2mt is sampled every T seconds, resulting in the discrete-time signal x[n] = x(nT). Determine whether the sampled signal is periodic for (i) T = 1s (iii) T= 0.125 s (v) T = 5s (ii) T= 0.1 s (iv) T= 0.130 s (vi) T = s (b) For those sampled signals in part (a) that are periodic, find the number of periods. of x() in one period of x[n]. (c) For those sampled signals in part (a) that are periodic. find the number of samples in one period of x[n]. " divorata time
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