目录
摘要 ....................................................................................................................................................I
1 原理分析与方案论证..................................................................................................................1
1.1 通信系统架构 .................................................................................................................1
1.2 信源调制——DM 调制..................................................................................................2
1.3 基带码——AMI 码.........................................................................................................2
1.3.1 AMI 码编码规则 ...................................................................................................2
1.3.2 AMI 解调原理 .......................................................................................................3
1.4 信道码——汉明码 .........................................................................................................3
1.5 噪声信道——AWGN.....................................................................................................5
2 各模块的 MATLAB 实现...........................................................................................................5
2.1 信号源的实现 .................................................................................................................5
2.2 信源编码——DM 增量调制..........................................................................................5
2.2.1 DM 编码简介......................................................................................................5
2.2.2 DM 编码的实现..................................................................................................6
2.3 基带编码——AMI 编码.................................................................................................7
2.4 信道编码——汉明码编码 .............................................................................................8
2.4.1 汉明码编码分析 .................................................................................................8
2.4.2 汉明码的 MATLAB 实现 ..................................................................................9
2.5 PSK 调制 .......................................................................................................................10
2.5.1 PSK 调制原理...................................................................................................10
2.5.2 PSK 调制的 MATLAB 实现 ............................................................................12
2.6 信道噪声——AWGN...................................................................................................13
2.7 PSK 解调 .......................................................................................................................14
2.8 汉明码解码 ...................................................................................................................17
2.8.1 汉明码校验 .........................................................................................................17
2.8.2 汉明码译码程序 ...............................................................................................18
2.9 AMI 译码.......................................................................................................................19
