本书在前五版的基础上改编而成,系统地介绍了现代通信系统的基本理论和*新发展技术。全书共分7章,内容包括:绪论;信号与频谱;基带脉冲与数字信号;带通信号传输原理与电路;AM,FM及数字调制系统;随机过程与频谱分析;噪声背景下通信系统的性能。每章都有一定的助学例题及大量的习题,部分例题及习题附有MATLAB仿真软件。此外,本书还包括4个附录,内容有:数学基本公式及图表;概率论及随机变量的简易教程;计算机通信标准;MATLAB入门等。
本书适合作为无线电技术、通信与信息系统等专业的高年级本科生或研究生双语教材,也可作为通信工程技术人员和科研人员的参考书。

LIST OF SYMBOLS
1 Introduction
1-1 Historical Perspective
1-2 Digital and Analog Sources and Systems
1-3 Deterministic and Random Waveforms
1-4 Organization of the Book
1-5 Use of a Personal Computer and MATLAB
1-6 Block Diagram of a Communication System
1-7 Frequency Allocations
1-8 Propagation of Electromagnetic Waves
1-9 Information Measure
1-10 Channel Capacity and Ideal Communication Systems
1-11 Coding
1-12 Preview
1-13 Study-Aid Examples
2 SIGNALS AND SPECTRA
2-1 Properties of Signals and Noise
2-2 Fourier Transform and Spectra
2-3 Power Spectral Density and Autocorrelation Function
2-4 Orthogonal Series Representation of Signals and Noise
2-5 Fourier Series
2-6 Review of Linear Systems
2-7 Bandlimited Signals and Noise
2-8 Discrete Fourier Transform
2-9 Bandwidth of Signals
2-10 Summary
2-11 Study-Aid Examples
3 BASEBAND PULSE AND DIGITAL SIGNALING
4 BANDPASS SIGNALING PRINCIPLES AND CIRCUITS
5 AM,FM,AND DIGTAL MODULATED SYSTEMS
6 RANDOM PROCESSES AND SPECTRAL ANALYSIS
7 PERFORMANCE OF COMMUNICATION SYSTEMS CORRUPTED BY NOISE
APPENDIX A MATHEMATICAL TECHNIQUES,IDENTITIES,AND TABLES
APPENDIX B PROBABILITY AND RANDOM VARIABLES
APPENDIX C STANDARDS AND TERMINOLOGY FOR COMPUTER COMMUNICATIONS
APPENDIX D USING MATLAB
REFERENCES
ANSWERS TO SELECTED PROBLEMS
FRONTENDPAPERS
BACK ENDPAPERS