14. Consider the discrete-time signals that follow. For each signal, determine the fundamental period No if the signal is periodic; otherwise, prove that the signal is not periodic. (a) x[n] = 57 (b) x[n] = en (c) x[n] = n

14. Consider the discrete-time signals that follow. For each signal, determine the fundamental period No if the signal is periodic; otherwise, prove that the signal is not periodic. (a) x[n] = 57 (b) x[n] = en (c) x[n] = n

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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Question

9.14. Consider the discrete-time signals that follow. For each signal, determine the fundamental
period No if the signal is periodic; otherwise, prove that the signal is not periodic.
e/Swar
(a) x[n]
(b) x[n] = en
(c) x[n] =
(d) x[n] = 03/w
(e) x[n] = cos(3πn/7)
(1) x[n] = √3n
(g) x[n] = enn + Ran
(h) x[n] = e/n7+ ² + cos(3/7)
(i) x[n] = 3 + √2an

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