Solutions Manual for Communication Systems: An Introduction to Signals and Noise in Electrical Communication, 4th Edition

Solutions Manual v




to accompany
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CommunicationSystems v




AnIntroductiontoSignalsandNoise
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inElectricalCommunication
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Fourth Edition v




A. Bruce Carlson
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Rensselaer Polytechnic Institute
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Paul B. Crilly v v




University of Tennessee v v




Janet C. Rutledge v v




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
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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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Americas,New York, NY 10020. Copyright © The McGraw-Hill Companies, Inc., 2002, 1986, 1975, 1968. All rights
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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 SIGNALS AND NOISE IN ELECTRICAL 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

,Chapter 2 v




2.1-1
Ae j T0/2 Ae n m
∫ejf j2p (m jf
v

f
cn n )f 0t
dt Ae
v v
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sinc(m n)
v v v
v

v v v




T0
v


T0 /2
v
v
v

0 otherwise

2.1-2




2 =0
c0 v(t) T 2pnt T0 /2 2p nt 2A pn
c Acos dt ( A)cos dt sin
v v v v v
v v v v v
v v


v v v v v v v

v




n
T0 v
T T pn v 2
v
T /4vv v
0
0 0 0



n 0 1 2 3 4 5 6 7
cn 0 2A/p v v v
0 2A/3pv v v
0 2A/5p
v v v
0 2A/7p v v v




argcn v
0 180 0 180




2.1-3




c0 = 2v(t) =A / 2
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c v v T0 /2 v 2At v 2pnt v A A
v v




A osc
n
T 0 v
0 dt sinp n (cosp n 1)
0  T0 T
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pn
v v
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(pn)2
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v
v
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n 0 1 2 3 4 5 6
cn 0.5A 0.2A 0 0.02A 0 0.01A 0
argcn v
0 0 0 0



2.1-4




2-
1

, 2 T0 /2 2p t
c0 Acos
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(cont.)
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v
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T T
0
vv
0
0 0




2-
2