Solutions Manual for Communication Systems, 5th Edition By Carlson,Latest

SolutionsManual b




to accompany
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CommunicationSystems b




AnIntroductiontoSignalsandNoise
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inElectricalCommunication
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Fourth Edition b




A. Bruce Carlson
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RensselaerPolytechnicInstitute
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Paul B. Crilly b b




University of Tennessee b b




JanetC.Rutledge b b




University of Maryland at Baltimore
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,Solutions Manual to accompany
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COMMUNICATION SYSTEMS: AN INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION,FOURTH EDITION
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A. BRUCE CARLSON, PAUL B. CRILLY, AND JANET C. RUTLEDGE
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Published by McGraw-Hill Higher Education, an imprint of The McGraw-Hill Companies, Inc., 1221 Avenue of the
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b Americas,New York, NY 10020. Copyright © The McGraw-Hill Companies, Inc., 2002, 1986, 1975, 1968. All rights reserved.
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The contents, or parts thereof, may be reproduced in print form solely for classroom use with COMMUNICATION SYSTEMS: AN
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INTRODUCTION TO SIGNALSAND NOISE INELECTRICAL COMMUNICATION,provided such reproductions bear copyrightnotice,
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but may not be reproduced in any other form or for any other purpose without the prior written consent of The McGraw-Hill
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Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for distance
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learning.
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www.mhhe.com

,Chapter2 b




2.1-1
Ae j T0/2  Ae jf n m
f
∫e j2p (m n )f 0t
dt  Ae sinc( m n ) jf
b




cn   
b





b b



b b b b b
b b b



b b b




T0
b




 0 otherwise
 T0 /2
b

b
b




2.1-2




2 =0T0 /4
c0 v(t) 2p n t T0 /2 2pnt 2A pn
c   Acos dt ( A)cos dt  sin
b b
b b b
b b b b b
b b




b b b b b b b




b




n
T T T pn 2
b
0
b


T bb /4 b



0
b




0 0 0



n 0 1 2 3 4 5 6 7
cn 0 2A/pb b b
0 2A/3p b b b
0 2A/5p
b b b
0 2A/7p b b b




argcn b
0  180 0  180
 


2.1-3




c0 = v(t) =A / 2
2
b b b b b




c  At 2p n t A A
T /2 2 0

b b b b b




b b




T  0 A c
os
n
0 dt  sinpn (cospn 1)
T0 
b




 T pn (pn)2
b b b b b b




0
b




b b b




n 0 1 2 3 4 5 6
cn 0.5A 0.2A 0 0.02A 0 0.01A 0
argcn b
0 0 0 0



2.1-4




2-
1

, 2 T0 /2 2p t
c 0 Acos (cont.)
b
b b




b

b b b b




T 0 T
0
bb




0 0




2-
2