电信专业毕业论文(基于MATLAB的PSK系统仿真).doc

摘 要
Simulink 是MATLAB提供的实现动态系统建模和仿真的一个软件包，它让用户把精力从编程转向模型的构造，为用户省去了许多重复的代码编写工作；Simulink 的每个模块对用户而言都是透明的，用户只须知道模块的输入、输出以及模块的功能，而不必管模块内部是怎么实现的，于是留给用户的事情就是如何利用这些模块来建立模型以完成自己的仿真任务；至于Simulink 的各个模块在运行时是如何执行，时间是如何采样，事件是如何驱动等细节性问题，用户可以不去关心，正是由于Simulink 具有这些特点，所以它被广泛的应用在通信仿真中，利用Simulink 强大的工具箱和其建模的优势建立了常用的DPCM数字电话通信系统仿真模型，对该通信系统进行了模型构建、系统设计、仿真演示、结果显示以及综合性能分析，而且该分析方法同样可推广到其它的通信系统，具有普遍意义。
关键词：Simulink；PSK通信系统；8PSK；系统仿真
ABSTRACT
Simulink implementation provided is the MATLAB system modeling and simulation of dynamic a package, it allows users to energy from programming to model for users tectonic, saves the many repeated code work; Each module to users concerned are transparent, users just know module inputs, output and modules of the system, and don't tube module of how to implement internal is, then left to the user thing is how to use these modules to establish model in order to complete their simulation task; As for Simulink modules in the runtime is how to enforce, time is how to sampling, event is how to drive details such as sexual problems, users can not to care, because with these features, so it by widespread application in communication simulation, using Simulink powerful tool kit and the advantage of the model established common DPCM digital telephone communication system of the simulation model, the model building communication system, system design, the simulation demonstrates, the results indicate, and comprehensive performance analysis, and the analysis method is also can be generalized to other communications system of general significance. 个人收集整理 勿做商业用途
Key words: Simulink; PSK communication systems; 8PSK; System simulation
目 录
第一章 绪论 1
1
3
本课题主要研究内容 4
第二章 MATLAB仿真综述 6
6
MATLAB仿真软件应用领域 8
Simulink仿真原理 11
第三章 数字调制技术 22
22
24
数字调制技术在现代通信中的应用 28
第四章 PSK通信系统原理 30
数字相位调制（PSK）基本原理 30
4PSK调制解调基本原理 30
8PSK调