贵州大学工程硕士研究生学位论文
I
摘要
………………………………………………………………………………….. II
ABSTRACT.................................................................................................................III
第一章 绪 论
................................................................................................................1
1.1 课题背景.......................................................................................................................1
1.2 研究现状.......................................................................................................................1
1.3 论文研究内容...............................................................................................................3
第二章
MATLAB
语言简介
......................................................................................... 4
2.1 MATLAB 概述............................................................................................................. 4
2.2 GUI 程序概述...................................................................................................................6
第三章 六种信号的产生和解调原理
......................................................................9
3. 1 模拟通信系统.................................................................................................................9
3.1.1 调幅(AM )................................................................................................................9
3.1 .2 调频(FM).............................................................................................................. 15
3. 1. 3 单边带(SSB)........................................................................................................ 21
3. 2 正弦载波数字调制通信系统.......................................................................................... 25
3. 2. 1 二进制振幅键控(2ASK)的产生......................................................................... 25
3. 2. 2 二进制频移键控(2FSK)的产生.......................................................................... 27
3. 2. 3 二进制相移键控((2PSK)的产生.........................................................................29
3. 2. 4 二进制数字信号的解调和抗噪声性能.............................................................. 30
第四章 使用
MATLAB
设计和实现通信信号仿真平台
......................................... 33
4. 1 通信仿真系统的功能及结构模型............................................................................... 33
4. 2 用户控制与界面显示................................................................................................... 34
4.3 信号的产生与解调........................................................................................................ 38
4. 3. 1 模拟信号的产生与解调.................................................................................. 38
4.3.2 数字信号的产生与解调................................................................................... 44
4. 4 仿真实验.......................................................................................................................48
4. 4. 1 模拟系统的仿真实验.......................................................................................... 48
4.4.2 数字系统的仿真实验................................................................................... 52
第五章 总结与展望
................................................................................................55
5.1 总结.................................................................................................................................55
5.2 展望..................................................................................................................................55
致 谢
........................................................................................................................56
参考文献:
..................................................................................................................57
附录一:程序代码
......................................................................................................59
附录二:其他程序运行结果
......................................................................................67
附录三:硕士期间发表的论文:
..............................................................................73
附录四:原创声明…………………………………………………………………..74