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

Solutions Manual h




to accompany
h




CommunicationSystems h




AnIntroductiontoSignalsandNoise
h h h h h




inElectricalCommunication
h h h




Fourth Edition h




A. Bruce Carlson
h h




Rensselaer Polytechnic Institute
h h




Paul B. Crilly h h




University of Tennessee h h




Janet C. Rutledge h h




University of Maryland at Baltimore
h h h h

,Solutions Manual to accompany
h h h




COMMUNICATION SYSTEMS: AN INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION,FOURTH
h h h h h h h h h h h




EDITION
h




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




Published by McGraw-Hill Higher Education, an imprint of The McGraw-Hill Companies, Inc., 1221 Avenue of the
h h h h h h h h h h h h h h h




h Americas,New York, NY 10020. Copyright © The McGraw-Hill Companies, Inc., 2002, 1986, 1975, 1968. All rights
h h h h h h h h h h h h h h h h




reserved.
h




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




INTRODUCTION TO SIGNALS AND NOISE IN ELECTRICAL COMMUNICATION, provided such reproductions bear copyright
h h h h h h h h h h h h h h




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




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




distance learning.
h h




www.mhhe.com

,Chapter 2 h




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

f
cn n )f 0t
dt Ae
h h
h h h h h




sinc(m n)
h h h
h

h h h




T0
h


T0 /2
h
h
h

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
h h h h h
h h h h h
h h


h h h h h h

h h




n
T0 h
T T pn h 2
h
T /4hh h
0
0 0 0



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




argcn h
0 180 0 180




2.1-3




c0 = v(t) =A / 2
c2
h h h h h




h
hT /2 2At 0h h 2p nt h A A
h h




A osc
n
T 0 h
0 dt sinp n (cosp n 1)
 T0 T pn (p n)2
h h h h h h


0
h

h h h




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



2.1-4




2-1

, 2 T0 /2 2p t
c 0 Acos
h




(cont.)
h h

h
h h h h




T T
0
hh
0
0 0




2-2