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1.51. Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period. (a) x(t)= cos 21+ cos(21 TT me // (d)_x(t) = ejπt n TT N (g) x[n] = cos COS Ans. (a) Periodic, period = πT (g) Nonperiodic (d) Periodic, period = 2

1.51. Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period. (a) x(t)= cos 21+ cos(21 TT me // (d)_x(t) = ejπt n TT N (g) x[n] = cos COS Ans. (a) Periodic, period = πT (g) Nonperiodic (d) Periodic, period = 2

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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1.51. Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period. (a) x(t)= cos 21+ cos(21 TT me // (d)_x(t) = ejπt n TT N (g) x[n] = cos COS Ans. (a) Periodic, period = πT (g) Nonperiodic (d) Periodic, period = 2
Transcribed Image Text:1.51. Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period. (a) x(t)= cos 21+ cos(21 TT me // (d)_x(t) = ejπt n TT N (g) x[n] = cos COS Ans. (a) Periodic, period = πT (g) Nonperiodic (d) Periodic, period = 2
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