数字通信原理与系统建模 munication Principles and System Modelling.pdf

Apurba Das
Digital Communication
Principles and System Modelling
123
Apurba Das
Scientist, Image Processing Lab
CDAC, Kolkata
A Scientific Society
Ministry of Communication and IT
Government of India
West Bengal
India
apurba.******@
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ISBN 978-3-642-12742-7 e-ISBN 978-3-642-12743-4
DOI -3-642-12743-4
Springer Heidelberg Dordrecht London New York
Library of Congress Control Number: 2010929759
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To You
Angana (Oli),
my wife
Preface
In today’s world of human-machine interaction, the necessity of custom commu-
nication is increasing day by day. The adjective ‘custom’ in communication or in
true sense, telecommunication signifies a lot of things like secured communica-
tion, communication with hidden data through any type of multimedia covers like
image, spee