本书重点论述了数字通信技术的基础和最新应用。全书共分15章，详细阐述了数字通信系统的基本信号变换、信号处理步骤、基带信号及高斯噪声中的信号检测、带通信号及其调制和解调技术、链路分析、各种信道编码方法、网格编码调制、同步问题、多路复用和多址接入、扩频技术及其应用、信源编码以及基本的加密/解密方法、衰落信道等。全书充分反映了近年来的新技术和新理论，还给出了大量富有特色的例题和习题。影印版分成上、下两册出版，页码连续，第9章以后为下册内容。为了便于阅读，上、下册均包括前言、目录和索引。
本书可作为高等院校通信类、信息类、电子类等专业高年级本科生或低年级研究生的教材，也可供有关技术、科研和管理人员使用或作为继续教育的参考书。

Bernard Sklar博士具有40多年技术和管理工作经验，先后任职于美国民航、休斯航空、利通工业以及宇航公司等机构，曾参与研究开发了军事卫星系统。他曾在美国加州大学洛杉矶分校、南加州大学等多所大学执教工程课程。

PREFACE
1 SIGNALS AND SPECTRA
1.1 Digital Communication Signal Processing
1.2 Classification of Signals
1.3 Spectral Density
1.4 Autocorrelation
1.5 Random Signals
1.6 Sighnal Transmission through Linear Systems
1.7 Bandwidth of Digital Data
1.8 Conclusion
2 FORMATTING AND BASEBAND MODULATION
2.1 Baseband Systems
2.2 Formatting Textual Data(Character Coding)
2.3 Messages,Characters,and Symbols
2.4 Formatting Analog Information
2.5 Sources of Corruption
2.6 Pulse Code Modulation
2.7 Unifrom and Nonuniform Quantization
2.8 Baseband Modulation
2.9 Correlative Coding
2.10 Conclusion
3 BASEBAND DEMODULATION/DETECTION
3.1 Signals and Noise
3.2 Detection of Binary Signals in Gaussian Noise
3.3 Intersymbol Interference
3.4 Equalization
3.5 Conclusion
4 BANDPASS MODULATION AND DEMODULATION/DETECTION
5 COMMUNICATIONS LINK ANALYSIS
6 CHANNEL CODING: PART 1
7 CHANNEL CODING: PART 2
8 CHANNEL CODING: PART 3
9 MODULATION AND CODING TRADE-OFFS
10 SYNCHRONIZATION
11 MULTIPLEXING AND MULTIPLE ACCESS
12 SPREAD-SPECTRUM TECHNIQUES
13 SOURCE CODING
14 ENCRYPTION AND DECRYPTION
15 FADING CHANNELS
A A REVIEW OF FOURIER TECHNIQUES
B FUNDAMENTALS OF STATISTICAL DECISION THEORY
C RESPONSE OF A CORRELATOR TO WHITE NOISE
D OFTEN-USED IDENTITIES
E s-DOMAIN, z-DOMAIN AND DIGITAL FILTERING
F LIST OF SYMBOLS
INDEX