Solutions Manual to accompany Communication Systems An Introduction to Signals and Noise in Electrical Communication Fourth Edition

Solutions Manual
to accompany
CommunicationSystems
An Introduction to Signals and
Noise in Electrical Communication
Fourth Edition

A. Bruce Carlson
ef ef




Rensselaer Polytechnic Institute
ef ef




Paul B. Crilly ef ef




University of Tennessee ef ef




Janet C. Rutledge ef ef




University of Maryland at Baltimore
ef ef ef ef

,Solutions Manual to accompany
ef ef ef




COMMUNICATION SYSTEMS: AN INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION, FOURTH EDITIO
ef ef ef ef ef ef ef ef ef ef e
f ef




N
A. BRUCE CARLSON, PAUL B. CRILLY, AND JANET C. RUTLEDGE
ef ef ef ef ef ef ef ef ef




Published by McGraw-Hill Higher Education, an imprint of The McGraw-
ef ef ef ef ef ef ef ef ef




Hill Companies, Inc., 1221 Avenue of the Americas,New York, NY 10020. Copyright © The McGraw-
ef ef ef ef ef ef ef e
f ef ef ef ef ef ef ef




Hill Companies, Inc., 2002, 1986, 1975, 1968. All rights reserved.
ef ef ef ef ef ef e f ef ef




The contents, or parts thereof, may be reproduced in print form solely for classroom use with COMMUNICATION SYSTEMS: AN I
ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef




NTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION, provided such reproductions bear copyrightn otice,
ef ef ef ef ef ef e
f ef ef ef ef ef ef e
f ef




but may not be reproduced in any other form or for any other purpose without the prior written consent of The McGraw-
ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef




Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for dist
ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef




ance learning. ef




www.mhhe.com

,Chapter 2 ef




2.1-1
Ae j T0/2 Ae jf n m
∫ef dt Ae sinc(m n)
ef


f j2p (m n )f 0t j
ef




cn
e
f ef

ef e
f ef ef ef
ef e
f ef

ef e f ef
e f




T0 T0 /2
e
f
ef
ef

0 otherwise

2.1-2




2 0
c0 v(t) T0 /4 2p nt T0 /2 2p nt 2A pn
c Acos dt A)cos dt sin
e f e f ef e f ef
ef ef ef ef ef ef ef


e f ef e
f ef e
f ef ef ef




n
0T ef e f T T
T pn ef 2
/4
ef

ef ef

0
0 0 0



n 0 1 2 3 4 5 6 7
cn 0 2A/p
e
f ef e
f
0 2A/3p e
f ef e
f
0 2A/5pe
f ef e
f
0 2A/7p e
f ef e
f




argcn e
f
0 0




2.1-3




c0  v(t) A / 2
2
e f e f e f ef ef




c e f ef T0 /2 ef ef 2At e
f ef 2p nt ef A A
A s co dt sinp n (cosp n
ef
n 0
T0  T0
T0
ef



pn
ef ef
ef ef



(p n)2
ef



ef
e f
ef ef




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



2.1-4




2-1

, 2 2p t
c T0 /2
ef
e f



Acos
ef e f

(cont.)
0
efe f ef

ef




T T
0
ef ef
0
0 0




2-2