Chapter 1Introduction
1.1Basic concepts and models of communication system
1.1.1Communication system model
1.1.2Analog communication model
1.1.3Digital communication model
1.2The classification of communication systems
1.2.1Modulation mode
1.2.2Division of frequency band
1.3Information and its measurement
1.4The main performance index of communication systems
Summary and discussion
Homework
Vocabulary
Chapter 2Random processes
2.1Basic concepts of random processes (definition of random processes)
2.1.1Definition
2.1.2Numerical characteristics of a random process
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