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Consider the discrete-time sinusoid x[n] = cos 8 IN a. Plot x[n] for n = 0,..., 48. b. Is this discrete-time sinusoid periodic? If so, what is the period? c. Find and plot another discrete-time sinusoid y[n] = cos(w₁n) with a different frequency (w₁ ) that yields exactly the same values as x[n].

Consider the discrete-time sinusoid x[n] = cos 8 IN a. Plot x[n] for n = 0,..., 48. b. Is this discrete-time sinusoid periodic? If so, what is the period? c. Find and plot another discrete-time sinusoid y[n] = cos(w₁n) with a different frequency (w₁ ) that yields exactly the same values as x[n].

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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IN Consider the discrete-time sinusoid x[n] = cos 8 a. Plot x[n] for n = 0,..., 48. b. Is this discrete-time sinusoid periodic? If so, what is the period? c. Find and plot another discrete-time sinusoid y[n] = cos(w₁n) with a different frequency (w₁ ) that yields exactly the same values as x[n].
Transcribed Image Text:IN Consider the discrete-time sinusoid x[n] = cos 8 a. Plot x[n] for n = 0,..., 48. b. Is this discrete-time sinusoid periodic? If so, what is the period? c. Find and plot another discrete-time sinusoid y[n] = cos(w₁n) with a different frequency (w₁ ) that yields exactly the same values as x[n].
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