目 录
1 绪论.......................................................................................................................................1
1.1 课题背景 ........................................................................................................................1
1.2 扩频通信的研究意义及现状 ........................................................................................1
1.3 本课题研究的主要内容 ................................................................................................2
2 扩频通信相关理论...............................................................................................................4
2.1 扩频通信的相关原理 ....................................................................................................4
2.1.1 扩频通信的理论基础 ..............................................................................4
2.1.2 扩频通信主要性能指标...........................................................................5
2.1.3 数字调制技术..........................................................................................6
2.1.4 扩频通信的工作原理 ..............................................................................7
2.1.5 扩频通信实现方法 ..................................................................................7
2.2 扩频通信系统的特点 ....................................................................................................8
2.2.1 性抗干扰强 .............................................................................................8
2.2.2 低截获性 .................................................................................................8
2.2.3 抗多路径干扰性能好 ..............................................................................9
2.2.4 保密性好 .................................................................................................9
3 MATLAB 简介.................................................................................................................10
3.1 MATLAB 的背景.......................................................................................................10
3.2 MATLAB 的组成.......................................................................................................12
3.3 Simulink 简介 .............................................................................................................12
3.4 MATLAB 的优势和特点...........................................................................................14
3.5 MATLAB 的主要功能...............................................................................................17
4 扩频通信系统的仿真.........................................................................................................18
4.1 对产生 m 序列的仿真 .................................................................................................18
4.2 扩频通信原理的仿真 ..................................................................................................23
4.3 对直接扩频通信系统的仿真 ......................................................................................26
结 论.........................................................................................................................................32
