目 录
前 言 .......................................................................................................................1
第 1 章 数字调制系统的相关原理 .......................................................................2
1.1 二进制幅度键控（2-ASK） .............................................................................................2
1.2 二进制频移键控（2-FSK）..............................................................................................2
1.3 二进制相移键控（2-PSK）..............................................................................................4
1.4 二进制差分相移键控（2DPSK） ....................................................................................5
1.5 多进制数字调制 ................................................................................................................5
1.5.1 MFSK 调制解调原理 ................................................................................................6
1.5.2 MPSK 调制解调原理 ................................................................................................7
第 2 章 数字调制系统各个环节分析 .................................................................11
2.1 仿真框图 ..........................................................................................................................11
2.2 信号源仿真及参数设置 ..................................................................................................12
2.3 调制与解调模块 ..............................................................................................................12
2.4 信道 ..................................................................................................................................13
2.5 误码计算仪 ......................................................................................................................13
2.6 示波器 ..............................................................................................................................14
第 3 章 数字调制系统仿真及结果分析 .............................................................15
3.1 仿真模型的设计及结果分析 ..........................................................................................15
3.2 二进制频移键控（2FSK） .............................................................................................15
3.3 最小频移键控（MSK）..................................................................................................18
3.4 二进制相移键控（2PSK） .............................................................................................18
3.5 二进制差分相移键控（2DPSK） ..................................................................................20
3.6 四相相移键控（QPSK） ................................................................................................21
3.7 正交相移键控（QDPSK） .............................................................................................22
3.8 十六进制相移键控（16PSK） .......................................................................................23
3.9 振幅/相位联合键控的仿真 .............................................................................................24
第 4 章 数字调制误码率的计算与分析 .............................................................26
4.1 MPSK 误码率分析 ..................................................................................................26
