本书以MWORKS2023b为平台，以MWORKS.Syslab与MWORKS.Sysplore通信系统建模与仿真工程案例为背景，通过专业技术与大量实例相结合的形式，加深读者对通信系统原理的理解。本书共7章，内容包括：绪论、MWORKS科学计算与系统建模仿真基础、通信系统的信源编码、通信系统的信道编码、数字信号基带传输、通信系统的载波调制、通信系统的应用开发实践案例。每章正文之前有内容提要，每章后附有本章小结和习题，以满足教学和自学的需要。

李伟，院长助理（分管学院人才引育和国际化），预聘教授，博导，国家级人才项目入选者（2021年），黑龙江省B类高层次人才（2022年）。黑龙江省新一代网络技术与信息保障实验室副主任，IEEE/ACM Member，CCF高级会员，CCF信息系统/数据库/人机交互专委执行委员，CCF智慧交通分会执行委员。2021年回国加入哈尔滨工程大学计算机科学与技术学院。李博士主要研究数据库、图数据管理与挖掘、时空数据挖掘、基于位置的服务计算等。近年来，李博士在上述相关领域发表论文40余篇，主持/参与澳大利亚联邦政府CRC项目、国家重点科技攻关计划、国家自然科学基金项目、黑龙江省自然基金、科技部外事专家项目等。担任哈工程未来学院和联合学院计算机类课程群负责人，获得省教学成果二等奖。担任国际期刊JIHMSP副主编，期刊Applied Sciences客座编辑，担任知名国际会议SMC、DASFAA等的PC Member，国际期刊TKDE、TKDD、TBD、DSEJ等的特邀审稿人，国际会议ICDE、VLDB、DASFAA等的特邀审稿人。

第 1 章 绪论······································································································.1
1.1 通信的基本概念 ············································································.2
1.1.1 通信的发展 ·········································································.2
1.1.2 消息、信息与信号 ·································································.3
1.2 通信系统 ·····················································································.4
1.3 通信系统模型 ···············································································.4
1.3.1 通信系统模型的组成 ······························································.5
1.3.2 模拟通信系统模型 ·································································.6
1.3.3 数字通信系统模型 ·································································.7
1.4 通信系统类型 ···············································································.8
1.4.1 分类方式 ············································································.8
1.4.2 光纤通信系统 ····································································.10
1.4.3 卫星通信系统 ····································································.11
1.4.4 微波通信系统 ····································································.11
1.4.5 数据通信系统 ····································································.12
1.4.6 多路通信系统 ····································································.12
1.5 通信方式 ···················································································.13
1.5.1 按照系统结构分类 ·······························································.13
1.5.2 按照信息传输方向与时间分类 ················································.13
1.5.3 按照数据信号序列传输的时序分类 ··········································.13
1.5.4 按照通信网络的形式分类 ······················································.14
1.6 通信系统的性能评价指标·······························································.14
1.6.1 有效性 ·············································································.14
1.6.2 可靠性 ·············································································.15
1.7 通信系统仿真 ·············································································.15
1.7.1 通信系统仿真的概念和意义 ···················································.15
1.7.2 通信系统仿真的一般流程 ······················································.16
本章小结 ·························································································.19
习题 1 ·····························································································.20
第 2 章 MWORKS 科学计算与系统建模仿真基础 ··············································.21
2.1 MWORKS 概述 ···········································································.22
2.1.1 MWORKS 产品家族 ·····························································.22
2.1.2 MWORKS 的发展及特点 ·······················································.23
2.2 科学计算与 Julia 语言 ···································································.24
2.2.1 变量与常量 ······························································.24
2.2.2 矩阵运算 ··········································································.25
2.2.3 程序流程控制 ····································································.30
2.2.4 脚本文件 ··········································································.32
2.2.5 图形绘制 ··········································································.33
2.3 MWORKS.Sysplorer 建模仿真 ·························································.41
2.3.1 Modelica 语言 ····································································.41
2.3.2 MWORKS.Sysplorer 功能与特征 ··············································.42
2.3.3 MWORKS.Sysplorer 建模仿真的操作过程 ································.50
2.3.4 MWORKS.Sysplorer 在通信仿真中的应用 ··································.55
本章小结 ·························································································.55
习题 2 ·····························································································.55
第 3 章 通信系统的信源编码 ············································································.56
3.1 信源编译码 ················································································.57
3.1.1 信源编码 ··········································································.57
3.1.2 信源译码 ··········································································.65
3.2 模拟信号的采样 ··········································································.69
3.2.1 低通采样定理 ····································································.69
3.2.2 带通采样定理 ····································································.73
3.3 采样信号的量化 ··········································································.73
3.3.1 标量量化 ··········································································.74
3.3.2 均匀量化 ··········································································.75
3.3.3 非均匀量化 ·······································································.76
3.4 脉冲编码调制 ·············································································.77
3.5 差分脉冲编码调制 ·······································································.81
3.6 数字压缩编码 ·············································································.82
3.7 图像压缩编码 ·············································································.86
3.7.1 静止图像压缩编码 ·······························································.86
3.7.2 动态图像压缩编码 ·······························································.88
本章小结 ·························································································.89
习题 3 ·····························································································.90
第 4 章 通信系统的信道编码 ·············································································.91
4.1 信号系统 ···················································································.92
4.1.1 傅里叶变换 ·······································································.92
4.1.2 随机过程 ·········································································.102
4.1.3 高斯随机过程 ···································································.106
4.1.4 信号加噪 ·········································································.107
4.2 信道 ·······················································································.115
4.2.1 前置知识 ·········································································.115
4.2.2 信号与信道 ······································································.119
4.2.3 信道的噪声 ······································································.130
4.3 信道编译码技术 ·········································································.132
4.3.1 信道编译码技术概述 ···························································.132
4.3.2 差错控制编码 ···································································.134
4.3.3 线性分组码 ······································································.135
4.3.4 汉明码 ············································································.138
4.3.5 循环码 ············································································.139
4.3.6 卷积码 ············································································.142
4.3.7 Turbo 码 ··········································································.145
4.3.8 LDPC 码 ··········································································.148
本章小结 ························································································.151
习题 4 ····························································································.151
第 5 章 数字信号基带传输 ·············································································.151
5.1 概述 ·······················································································.152
5.1.1 信号 ···············································································.152
5.1.2 数字基带信号 ···································································.153
5.1.3 数字基带传输系统的构成 ·····················································.153
5.2 数字基带信号的码型 ···································································.156
5.2.1 常用码型 ·········································································.156
5.2.2 码型的功率谱分布 ······························································.167
5.3 数字基带信号传输与码间串扰 ························································.169
5.3.1 数字基带信号传输的定量分析 ···············································.169
5.3.2 无码间串扰的基带传输 ························································.171
本章小结 ························································································.173
习题 5 ····························································································.173
第 6 章 通信系统的载波调制 ··········································································.175
6.1 模拟调制 ··················································································.176
6.1.1 幅度调制 ·········································································.177
6.1.2 频率调制 ·········································································.180
6.1.3 双边带调制 ······································································.184
6.2 数字调制 ··················································································.187
6.2.1 振幅键控 ·········································································.188
6.2.2 频移键控 ·········································································.192
6.2.3 相移键控 ·········································································.197
6.2.4 差分相移键控 ···································································.201
6.3 正交频分复用 ············································································.205
6.3.1 正交频分复用的基本原理 ·····················································.205
6.3.2 正交频分复用的实现 ···························································.206
本章小结 ························································································.211
习题 6 ····························································································.211
第 7 章 通信系统的应用开发实践案例 ····························································.213
7.1 通信系统的设计与实现概述 ···························································.214
7.1.1 通信系统的发射机设计 ························································.214
7.1.2 通信系统的接收机设计 ························································.222
7.1.3 通信系统的 MWORKS 实现 ··················································.224
7.2 MIMO-OFDM 通信系统设计与实现 ·················································.232
7.2.1 MIMO 系统的原理及模型 ·····················································.233
7.2.2 MIMO-OFDM 通信系统 ·······················································.238
7.2.3 MIMO-OFDM 通信系统的 MWORKS 实现 ·································.240
本章小结 ························································································.251
习题 7 ····························································································.252