to accompany
CommunicationSystems
An Introduction to Signals and
Noise in Electrical Communication
Fourth Edition
A. Bruce Carlson
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Rensselaer Polytechnic Institute
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Paul B. Crilly SZ SZ
University of TennesseeSZ SZ
Janet C. Rutledge
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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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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-
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Hill Companies, Inc., 1221 Avenue of the Americas,New York, NY 10020. Copyright © The McGraw-
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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 SYST
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EMS: AN INTRODUCTION TO SIGNALS AND NOISE IN ELE CTRICAL COMMUNICATION, provided such reproductions be
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ar copyrightnotice, but may not be reproduced in any other form or for any other purpose without the prior written c
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onsent of The McGraw-SZ SZ SZ
Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broad
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cast for distance learning.
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www.mhhe.com
, Chapter 2 SZ
2.1-1
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SZ
T0 0 otherwise
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2SZ
2.1-2
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2
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S Z SZ SZ SZ SZ SZ SZ
SZ
n
T
0 SZS Z T T
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0 2 A/ p 0 2A/ 3p 0 2A/ 5p 0 2A/ 7p
cn S
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0 0
argcn S
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2.1-3
c0 v(t) A /2
S Z S Z S Z SZ SZ
2
cS Z T /2 2At
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A
n
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0
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pn
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SZ SZ SZ
(p n)2
SZ
S Z
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0
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0.5A 0.2A 0 0.02A 0 0.01A 0
cn
2-1