sy2

初步能改变难度的代码，希望对大家有效。相互学习一下(The initial difficulty of the code change and hope to everyone effectively. Learn from each other about)

用matlab画出smith圆图的M文件，已经验证，结果正确，部分行需要去掉回车即可运行。(Draw smith chart matlab M-file has been verified, the result is correct, part of the line needs to be removed then press enter to run.)

在matlab6.5下实现的 (achieved in the matlab6.5)

粒子群优化算法pso的matlab程序,测试函数为Sphere函数,可以直接使用,其他函数可以自己更改(PSO pso matlab program, test the function of Sphere function, can be used directly, other functions can own change)

This is the q p s keying signallling. just use wid the given pulse to modulate the pulse.

各种分布之下的随机数matlab生成代码，共18种分布，比较全面，研究随机数常用代码(Matlab distributed under a variety of random numbers generated code, a total of 18 kinds of distribution, a more comprehensive study used a random number code)

以计算机软件MATLAB为操作平台，将数值分析的理论与上机实验相结合，采用数值解法、解析解法和图形可视化显示并举的全新写作手法(MATLAB is a computer software operating platform, the numerical analysis of the theoretical and experimental-on combined use of numerical method, analytical method and graphical visual display simultaneously a new writing style)

OFDM瑞利衰落信道的建模仿真源程序代码，可以仿真单径和多径(OFDM Rayleigh fading channels modeling and simulation source code can be simulated single-track and multi-track)

基于人工噪声的协同通信系统安全性研究，计算系统的误码率(Cooperative communication system based on artificial noise safety studies, computing system ber)

matlab语言编写的仿真航行体6个自由度运动圆形轨迹生成(matlab simulation languages voyage round body of 6-DOF motion trajectory generation)