SOLUTIONS MANUAL Communication Systems Engineering Second Edition John G Proakis Masoud doc
SOLUTIONS MANUAL Communication Systems Engineering Second Edition John G. Proakis Masoud docx
... θ)
=
A
2
m(t) [cos(2π2f
c
t + θ) + cos(θ)]
44
SOLUTIONS MANUAL
Communication Systems Engineering
Second Edition
John G. Proakis
Masoud Salehi
Prepared by Evangelos Zervas
Upper Saddle River, New Jersey ... O’Brien
Managing Editor: David A. George
Production Editor: Barbara A. Till
Composition: PreT
E
X, Inc.
Supplement Cover Manager: Paul Gourhan
Supplement Cover Design:...
SOLUTIONS MANUAL Communication Systems Engineering Second Edition John G. Proakis Masoud doc
... |H(f)|
2
= sgn
2
(f)
a) The energy spectral density of the output signal is
G
Y
(f) =G
X
(f)sgn
2
(f)=
G
X
(f) f =0
0 f =0
Since G
X
(f) does not contain any impulses at the origin
E
Y
= E
X
=
1
2α
27
5) ... sinc(6t)=⇒ H(f )=
1
6
Π(
f
6
) The energy spectral density of the output signal is G
Y
(f)=
G
X
(f)|H(f)|
2
and with G
X
(f)=
1
α
2
+4π
2
f
2
we obtain
G
Y
(f)=
1
α
2
+4...
Communication Systems Engineering Second Edition John G. Proakis Masoud pot
... |H(f)|
2
= sgn
2
(f)
a) The energy spectral density of the output signal is
G
Y
(f) =G
X
(f)sgn
2
(f)=
G
X
(f) f =0
0 f =0
Since G
X
(f) does not contain any impulses at the origin
E
Y
= E
X
=
1
2α
27
where ... =
A
2
2
+
A
2
2
+
4A
2
2
+
4A
2
2
=5A
2
42
b) Arguing as in the previous question
G
Y
(f) =G
X
(f)sgn
2
(f)=
Π(f) f =0
0 f =0
Since Π(f) does not contain any impulses a...
Communication Systems Engineering Second Edition John G pot
... 3.3
The following figure shows the modulated signals for A = 1 and f
0
= 10. As it is observed
both signals have the same envelope but there is a phase reversal at t = 1 for the second signal
Am
2
(t) ... θ)
Problem 2.53
Taking the Fourier transform of
e
j2πf
0
t
we obtain
F[
e
j2πf
0
t
]=−jsgn(f )δ(f −f
0
)=−jsgn(f
0
)δ(f − f
0
)
Thus,
e
j2πf
0
t
= F
−1
[−jsgn(f
0
)δ(f − f
0
)] = −jsg...
SOLUTIONS MANUAL Communication Systems Engineering Second EditionJohn G. Proakis Masoud ppt
... j
−
1
4πt
sin πt +
1
4π
2
t
2
(cos πt − 1)
38
SOLUTIONS MANUAL
Communication Systems Engineering
Second Edition
John G. Proakis
Masoud Salehi
Prepared by Evangelos Zervas
Upper Saddle River, New Jersey ... |H(f)|
2
= sgn
2
(f)
a) The energy spectral density of the output signal is
G
Y
(f) =G
X
(f)sgn
2
(f)=
G
X
(f) f =0
0 f =0
Since G
X
(f) does not contain...
SOLUTIONS MANUAL Communication Systems Engineering Second EditionJohn G. Proakis ppt
... write
∞
n=−∞
|x
n
|
2
=
−M
n=−∞
|x
n
|
2
+
M
n=−M
|x
n
|
2
+
∞
n=M
|x
n
|
2
7
SOLUTIONS MANUAL
Communication Systems Engineering
Second Edition
John G. Proakis
Masoud Salehi
Prepared by Evangelos Zervas
Upper Saddle River, New Jersey ... The angle modulated signal can be interpreted both as a PM and an FM signal. It is a PM
signal with phase deviation constant k
p...
SOLUTIONS MANUAL Communication Systems Engineering Second EditionJohn G. Proakis Masoud docx
... τ)=
1
2
Thus, S
X
(f)=F[R
X
(τ)] =
1
2
δ(f).
24
SOLUTIONS MANUAL
Communication Systems Engineering
Second Edition
John G. Proakis
Masoud Salehi
Prepared by Evangelos Zervas
Upper Saddle River, New Jersey ... Managing Editor: Vince O’Brien
Managing Editor: David A. George
Production Editor: Barbara A. Till
Composition: PreT
E
X, Inc.
Supplement Cover Manager: Paul Gourhan...
Tài liệu Microelectro mechanical Systems Engineering Second Edition doc
... structure, and grain size.
b
Sublimates before melting.
c
Glass transition temperature given for polymers.
An Introduction to
Microelectromechanical
Systems Engineering
Second Edition
Nadim Maluf
Kirt ... 40
Etching 44
Advanced Process Tools 55
Anodic Bonding 55
Silicon Direct Bonding 56
Grinding, Polishing, and Chemical-Mechanical Polishing 57
Sol-Gel Deposition Methods 58
Electropla...
Communication systems engineering(2nd edition)
... communication system designs, the statistical characteristics of the channel
Proakis- 50210 proa-fm August 9, 2001 14:2
COMMUNICATION SYSTEMS
ENGINEERING
John G. Proakis
Masoud Salehi
2nd Ed.
Upper ... efficient and
highly reliable underwater acoustic communication systems for transmitting digital
signals over large distances.
Storage Channels.
Information storage and retri...
SOLUTIONS MANUAL Communication Systems EngineeringSecond EditionJohn G. Proakis Masoud potx
... gap
between the image spectra equal to
2000 − 500 − W = 1000
29
Publisher: Tom Robbins
Editorial Assistant: Jody McDonnell
Executive Managing Editor: Vince O’Brien
Managing Editor: David A. George
Production ... sinc(6t)=⇒ H(f )=
1
6
Π(
f
6
) The energy spectral density of the output signal is G
Y
(f)=
G
X
(f)|H(f)|
2
and with G
X
(f)=
1
α
2
+4π
2
f
2
we obtain
G
Y
(f)=
1
α
2
+4π
2
f...
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