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solution manual for Signals and Systems A Primer with MATLAB® 2nd edition by Mathew N.O.Sadiku 2026

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solution manual for Signals and Systems A Primer with MATLAB® 2nd edition by Mathew N.O.Sadiku

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solution manual for Signals and Systems A Primer with
MATLAB® 2nd edition by Sadiku




Downloaded by Asoom Kamel ()

, 3




Table of Contents
Chapter 1 1
Chapter 2 41
Chapter 3 77
Chapter 4 117
Chapter 5 144
Chapter 6 182
Chapter 7 205




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, 4

CHAPTER l. 1

P. l. P. l. 1.1 
2 2 l.
The l. period T l.   l.
l.  l.1 l.
l . is
 2
x(t l.  l.T l.) l.  l. A l.cos2 l. (t l. 1 l. l. 0.1 l. 
 l. A l.cos2 l.t l.  l. 2 l.  l. 0.1 l. 
 l. A l.cos(2 l.t l.  l. 0.1 l. )
 l. x(t) l.
Hence l. x(t) l. is l.
periodic.

P.P. l. 1.2

(a) x(t) l. = l. t, l . 0
l. < l. t l. < l.  T l. /  l. T l. /3l. 2 l. 
l. 2
T l. / l. 2
E l.  l. lim l .
 l. 
 l. | l. x(t) l. |2dt l.  l. lim l .  l. t l.2dt l.  l. lim l. 2 l.  l.
T l.  T l. 
T l. / l. 2 T l. / l. 2  l . l . 3 l . l . 
T l.  l . l.


t l.2dt l.  l.  l.    
P l.  l.
T l.
| l. x(t) l. |2dt l. 
T l.
2 l. T l.3 / l. 2 l.
1   l. lim
/ l. 2 / l. 2
1
lim l. l. lim l.
T  T T  T T l.  l. T l.  l .
l. l. l. l. l . 3 l . l . 
l. T l. / l. 2 l. T l. / l. 2

i.e. l. x(t) l. is l. neither l. an l. energy l. nor l. a l. power l. signal.

(b) 
T l. / l. a
E l.  l. 2
| l. x(t) l. |2dt l. l. lim A2dt l.  l. 2aA2
lim 
T l.  T l.
T l. 
 l.a

/ l. 2


i.e. l. x(t) l. is l. an l. energy l. signal.

(c) | l. x(n) l. | l. 5 l.| l. e l. j4n l. | l. 5
N N
 l.  l. 5
1 1
P l.  | l. 2
x[n] l.| l .  l. lim 2

l. lim
N l.  l . 2N l. 1 l. N l.  l . 2N l. 1 l.
n l. N n l. N
1
 l. lim 25(2N l. 1) l.  l. 25 l.  l.
N l.  l . 2N l. 1



i.e l. x[n] l. is l. a l. power l. signal.




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, 5
P.P. l. 1.3
(a) ze l .  l. t zo l.  l. 4t
l.2 l. 10,




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