通信系統建模與模擬（基於MWORKS）

第 1 章 緒論······································································································.1
1.1 通信的基本概念 ············································································.2
1.1.1 通信的發展 ·········································································.2
1.1.2 消息、信息與信號 ·································································.3
1.2 通信系統 ·····················································································.4
1.3 通信系統模型 ···············································································.4
1.3.1 通信系統模型的組成 ······························································.5
1.3.2 模擬通信系統模型 ·································································.6
1.3.3 數字通信系統模型 ·································································.7
1.4 通信系統類型 ···············································································.8
1.4.1 分類方式 ············································································.8
1.4.2 光纖通信系統 ····································································.10
1.4.3 衛星通信系統 ····································································.11
1.4.4 微波通信系統 ····································································.11
1.4.5 數據通信系統 ····································································.12
1.4.6 多路通信系統 ····································································.12
1.5 通信方式 ···················································································.13
1.5.1 按照系統結構分類 ·······························································.13
1.5.2 按照信息傳輸方向與時間分類 ················································.13
1.5.3 按照數據信號序列傳輸的時序分類 ··········································.13
1.5.4 按照通信網絡的形式分類 ······················································.14
1.6 通信系統的性能評價指標·······························································.14
1.6.1 有效性 ·············································································.14
1.6.2 可靠性 ·············································································.15
1.7 通信系統模擬 ·············································································.15
1.7.1 通信系統模擬的概念和意義 ···················································.15
1.7.2 通信系統模擬的一般流程 ······················································.16
本章小結 ·························································································.19
習題 1 ·····························································································.20
第 2 章 MWORKS 科學計算與系統建模模擬基礎 ··············································.21
2.1 MWORKS 概述 ···········································································.22
2.1.1 MWORKS 產品家族 ·····························································.22
2.1.2 MWORKS 的發展及特點 ·······················································.23
2.2 科學計算與 Julia 語言 ···································································.24
2.2.1 變量與常量 ······························································.24
2.2.2 矩陣運算 ··········································································.25
2.2.3 程序流程控制 ····································································.30
2.2.4 腳本文件 ··········································································.32
2.2.5 圖形繪制 ··········································································.33
2.3 MWORKS.Sysplorer 建模模擬 ·························································.41
2.3.1 Modelica 語言 ····································································.41
2.3.2 MWORKS.Sysplorer 功能與特徵 ··············································.42
2.3.3 MWORKS.Sysplorer 建模模擬的操作過程 ································.50
2.3.4 MWORKS.Sysplorer 在通信模擬中的應用 ··································.55
本章小結 ·························································································.55
習題 2 ·····························································································.55
第 3 章 通信系統的信源編碼 ············································································.56
3.1 信源編解碼 ················································································.57
3.1.1 信源編碼 ··········································································.57
3.1.2 信源解碼 ··········································································.65
3.2 模擬信號的採樣 ··········································································.69
3.2.1 低通採樣定理 ····································································.69
3.2.2 帶通採樣定理 ····································································.73
3.3 採樣信號的量化 ··········································································.73
3.3.1 標量量化 ··········································································.74
3.3.2 均勻量化 ··········································································.75
3.3.3 非均勻量化 ·······································································.76
3.4 脈沖編碼調制 ·············································································.77
3.5 差分脈沖編碼調制 ·······································································.81
3.6 數字壓縮編碼 ·············································································.82
3.7 圖像壓縮編碼 ·············································································.86
3.7.1 靜止圖像壓縮編碼 ·······························································.86
3.7.2 動態圖像壓縮編碼 ·······························································.88
本章小結 ·························································································.89
習題 3 ·····························································································.90
第 4 章 通信系統的通道編碼 ·············································································.91
4.1 信號系統 ···················································································.92
4.1.1 傅裏葉變換 ·······································································.92
4.1.2 隨機過程 ·········································································.102
4.1.3 高斯隨機過程 ···································································.106
4.1.4 信號加噪 ·········································································.107
4.2 通道 ·······················································································.115
4.2.1 前置知識 ·········································································.115
4.2.2 信號與通道 ······································································.119
4.2.3 通道的噪聲 ······································································.130
4.3 通道編解碼技術 ·········································································.132
4.3.1 通道編解碼技術概述 ···························································.132
4.3.2 差錯控制編碼 ···································································.134
4.3.3 線性分組碼 ······································································.135
4.3.4 漢明碼 ············································································.138
4.3.5 循環碼 ············································································.139
4.3.6 捲積碼 ············································································.142
4.3.7 Turbo 碼 ··········································································.145
4.3.8 LDPC 碼 ··········································································.148
本章小結 ························································································.151
習題 4 ····························································································.151
第 5 章 數字信號基帶傳輸 ·············································································.151
5.1 概述 ·······················································································.152
5.1.1 信號 ···············································································.152
5.1.2 數字基帶信號 ···································································.153
5.1.3 數字基帶傳輸系統的構成 ·····················································.153
5.2 數字基帶信號的碼型 ···································································.156
5.2.1 常用碼型 ·········································································.156
5.2.2 碼型的功率譜分佈 ······························································.167
5.3 數字基帶信號傳輸與碼間串擾 ························································.169
5.3.1 數字基帶信號傳輸的定量分析 ···············································.169
5.3.2 無碼間串擾的基帶傳輸 ························································.171
本章小結 ························································································.173
習題 5 ····························································································.173
第 6 章 通信系統的載波調制 ··········································································.175
6.1 模擬調制 ··················································································.176
6.1.1 幅度調制 ·········································································.177
6.1.2 頻率調制 ·········································································.180
6.1.3 雙邊帶調制 ······································································.184
6.2 數字調制 ··················································································.187
6.2.1 振幅鍵控 ·········································································.188
6.2.2 頻移鍵控 ·········································································.192
6.2.3 相移鍵控 ·········································································.197
6.2.4 差分相移鍵控 ···································································.201
6.3 正交頻分復用 ············································································.205
6.3.1 正交頻分復用的基本原理 ·····················································.205
6.3.2 正交頻分復用的實現 ···························································.206
本章小結 ························································································.211
習題 6 ····························································································.211
第 7 章 通信系統的應用開發實踐案例 ····························································.213
7.1 通信系統的設計與實現概述 ···························································.214
7.1.1 通信系統的發射機設計 ························································.214
7.1.2 通信系統的接收機設計 ························································.222
7.1.3 通信系統的 MWORKS 實現 ··················································.224
7.2 MIMO-OFDM 通信系統設計與實現 ·················································.232
7.2.1 MIMO 系統的原理及模型 ·····················································.233
7.2.2 MIMO-OFDM 通信系統 ·······················································.238
7.2.3 MIMO-OFDM 通信系統的 MWORKS 實現 ·································.240
本章小結 ························································································.251
習題 7 ····························································································.252