to accompany
b
CommunicationSystems b
AnIntroductiontoSignalsandNoisein
b b b b b b
ElectricalCommunication
b b
Fourth Edition b
A. Bruce Carlson
b b
Rensselaer Polytechnic Institute
b b
Paul B. Crilly b b
University of Tennesseeb b
Janet C. Rutledge
b b
University of Maryland at Baltimore
b b b b
,Solutions Manual to accompany
b b b
COMMUNICATION SYSTEMS: AN INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION,FOURTH
b b b b b b b b b b b
EDITION
b
A. BRUCE CARLSON, PAUL B. CRILLY, AND JANET C. RUTLEDGE
b b b b b b b b b
Published by McGraw-Hill Higher Education, an imprint of The McGraw-Hill Companies, Inc., 1221 Avenue of the
b b b b b b b b b b b b b b b
b Americas,New York, NY 10020. Copyright © The McGraw-Hill Companies, Inc., 2002, 1986, 1975, 1968. All rights
b b b b b b b b b b b b b b b b
reserved.
b
The contents, or parts thereof, may be reproduced in print form solely for classroom use with COMMUNICATION SYSTEMS: AN
b b b b b b b b b b b b b b b b b b
INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION, provided such reproductions bear copyright
b b b b b b b b b b b b b b
notice, but may not be reproduced in any other form or for any other purpose without the prior written consent of The McGraw-
b b b b b b b b b b b b b b b b b b b b b b b
Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for
b b b b b b b b b b b b b b b b b b b
distance learning.
b b
www.mhhe.com
,Chapter 2 b
2.1-1
Ae j T0/2 Ae n m
∫ejf j2p (m jf
b
f
cn n )f 0t
dt Ae
b b
b b b b b
sinc(m n)
b b b
b
b b b
T0
b
T0 /2
b
b
b
0 otherwise
2.1-2
c0 v(t) =0
T 2p nt T0 /2 2p nt 2A pn
c2 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
T0 b
T T pn b 2
b
T /4bb b
0
0 0 0
n 0 1 2 3 4 5 6 7
cn 0 2A/p b 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
c2
b b b b b
b
bT /2 2At 0b b 2p nt b A A
b b
A osc
n
T 0 b
0 dt sinp n (cosp n 1)
T0 T pn (p n)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
b
(cont.)
b b
b
b b b b
T T
0
bb
0
0 0
2-
2