(e) x(t) = Er{sin(4mt)u(t)}
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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I only need help with 25. E)
![ovubbe at cbi In
ldpg l
3
alih ni tesi a al
-4
niavsupa
lo doeo odw snim
-1
gaibrrang
cone
o ablod si
(c)
Figure P1.24
.25. 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 + 7)
(c) x(t) = [cos(2t )
(b) x(t) = ej(TI-1)
(d) x(t) = &v{cos(4mt)u(t)}
%3D
%3D
%3D
%3D
8
e) x(t) =
= &v{sin(4mt)u(t)}
(f) x(t) = e-(21-n) u(2t – n)
u(2t - n)
26. Determine whether or not each of the following discrete-time signals is periodic. If
the signal is periodic, determine its fundamental period.
(a) x[n] = sin(n+ 1)
(d) x[n] = cos(n) cos(n)
(c) x[n] = cos(플n
⒤뀐⒤갓
%3D
n(b) x[n] = cos(- T)
= CO
8.
ẩjẩẩjT)
(e) x[n] = 2 cos(n) + sin(n) – 2 cos(n +
%3D
27, In this chapter, we introduced a number of general properties of systems. In partic
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Transcribed Image Text:ovubbe at cbi In
ldpg l
3
alih ni tesi a al
-4
niavsupa
lo doeo odw snim
-1
gaibrrang
cone
o ablod si
(c)
Figure P1.24
.25. 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 + 7)
(c) x(t) = [cos(2t )
(b) x(t) = ej(TI-1)
(d) x(t) = &v{cos(4mt)u(t)}
%3D
%3D
%3D
%3D
8
e) x(t) =
= &v{sin(4mt)u(t)}
(f) x(t) = e-(21-n) u(2t – n)
u(2t - n)
26. Determine whether or not each of the following discrete-time signals is periodic. If
the signal is periodic, determine its fundamental period.
(a) x[n] = sin(n+ 1)
(d) x[n] = cos(n) cos(n)
(c) x[n] = cos(플n
⒤뀐⒤갓
%3D
n(b) x[n] = cos(- T)
= CO
8.
ẩjẩẩjT)
(e) x[n] = 2 cos(n) + sin(n) – 2 cos(n +
%3D
27, In this chapter, we introduced a number of general properties of systems. In partic
1oy not be
Expert Solution
Step 1
25 E) determine the given signal is period or not . If period, determine its fundamental period ?
E. Ev{ (sin 4*pi*t )u(t)}
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