Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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3) Determine whether or not each of the following continuous-time signals is periodic. If the signal is
periodic, determine its fundamental period.
a) x(t) = 3 cos(4t-5)
b) x(t) = ei(πt-1)
c) x(t) = [cos(2t — ™)]²
d) x(t) = Σn=-∞
3
e-
3
(2t-n) u (2t − n)
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Transcribed Image Text:3) Determine whether or not each of the following continuous-time signals is periodic. If the signal is periodic, determine its fundamental period. a) x(t) = 3 cos(4t-5) b) x(t) = ei(πt-1) c) x(t) = [cos(2t — ™)]² d) x(t) = Σn=-∞ 3 e- 3 (2t-n) u (2t − n)
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