本书讨论现代通信的基本原理，包括模拟通信和数字通信，主要讨论数字通信原理。全书紧密围绕通信的有效性和通信的可靠性展开讨论。第一章介绍通信系统的基本概念，第二章~第四章讨论用于通信系统性能分析所必需的数学知识，第五章讨论模拟通信原理，其余各章讨论数字通信原理。每一章都附有习题，在书后附录中附有各章习题答案。

第一章 绪论·················································································································· 1

1.1 通信系统基本概念·························································································· 1

1.2 调製和解调······································································································ 2

1.3 模拟通信和数字通信······················································································ 5

1.4 信道················································································································· 8

1.5 信息量和信道容量························································································ 16

1.6 通信系统的主要性能···················································································· 22

1.7 通信发展简史································································································ 24

习题1 ····················································································································· 25

第二章 信号与频谱····································································································· 26

2.1 线状频谱和傅立叶级数················································································ 26

2.2 连续频谱和傅立叶积分················································································ 35

2.3 冲激函式········································································································ 38

2.4 傅立叶变换的基本特性················································································ 42

2.5 信号通过线性系统························································································ 55

习题2 ····················································································································· 67

第三章 机率与随机变数····························································································· 70

3.1 事件与机率···································································································· 70

3.2 机率运算········································································································ 74

3.3 一维随机变数、分布函式和机率密度························································· 80

3.4 二维随机变数、分布函式和机率密度························································· 87

3.5 常用机率分布举例························································································ 96

3.6 随机变数的数字特徵·················································································· 103

习题3 ··················································································································· 111

第四章 随机过程······································································································ 114

4.1 随机过程概念······························································································ 114

4.2 平稳随机信号的自相关函式与功率谱密度··············································· 119

4.3 平稳随机信号通过线性系统······································································ 124

4.4 窄带随机信号······························································································ 127

4.5 高斯随机过程······························································································ 134

习题4 ··················································································································· 143

第五章 连续波模拟调製··························································································· 146

5.1 线性调製······································································································ 147

5.2 角度调製······································································································ 161

5.3 连续波模拟调製系统的抗噪声性能··························································· 172

5.4 连续波模拟调製系统比较·········································································· 185

5.5 频分多路复用(FDM)··················································································· 186

习题5 ··················································································································· 191

第六章 数位讯号基带传输······················································································· 196

6.1 数字基带传输系统模型·············································································· 196

6.2 传输码码型·································································································· 198

6.3 数位讯号的功率谱······················································································ 206

6.4 数字基带传输中的码间干扰······································································ 211

6.5 无码间干扰数字基带系统的抗噪声性能··················································· 219

6.6 确知信号的最佳接收及最佳接收误码率··················································· 224

6.7 部分回响基带传输系统·············································································· 243

6.8 眼图············································································································· 251

6.9 时域均衡······································································································ 254

习题6 ··················································································································· 259

第七章 连续波数字调製··························································································· 263

7.1 二元数字调製······························································································ 263

7.3 多元数字调製······························································································ 301

7.4 窄带调製······································································································ 325

7.5 多载波调製·································································································· 333

7.6 在衰落信道上传输数位讯号······································································ 337

习题7 ··················································································································· 340

第八章 脉冲编码调製(PCM)··············································································· 343

8.1 PCM 通信系统基本组成············································································· 343

8.2 抽样及其恢复······························································································ 344

8.3 量化············································································································· 351

8.4 编码和解码·································································································· 368

8.5 单片PCM 编、解码器················································································ 375

8.6 差分脉码调製(DPCM)················································································ 377

8.7 增量调製(ΔM) ····························································································· 380

习题8 ··················································································································· 393

第九章 同步和时分多路复用··················································································· 395

9.1 载波同步······································································································ 396

9.2 位同步········································································································· 404

9.3 时分多路复用(TDM)··················································································· 421

9.4 帧同步········································································································· 431

习题9 ··················································································································· 446

第十章 差错控制编码······························································································· 448

10.1 差错控制编码的基本概念········································································ 448

10.2 线性分组码································································································ 455

10.3 卷积码······································································································· 476

10.3.2 卷积码编码器的工作原理及卷积码的描述·········································· 477

习题10 ················································································································· 489