m5_4

implementing Qpsk Mapping

改进的pso算法（3个m文件和一个说明文件）： 本算法实现Clerc and Kennedy 2002年对pso算法的重要改进(The improved PSO algorithm (3 M files and a description of the file): An important improvement of Clerc and Kennedy in 2002 on the PSO algorithm this algorithm)

Rayleigh distribution simulation with theoretical comparison

MATLAB 将鱼眼图像展开成全景图，包含差值原理(transform eyefish image to quanjing image)

AU3脚本语言 基本语法学习 对于学习au3的或许有些帮助(AU3 script language to learn basic grammar, perhaps for some help learning au3)

说明：  属于图像处理的基本，用MATLAB实现了Carlight算法。(Contains more than 100 kinds of basic image processing to achieve)

第四颗卫星C/A码的产生代码，matlab编写(the generation of C/A code)

1. 选择一个wav文件作为分析的对象，对该信号进行读取（使用wavread函数）； 2. 音乐信号的频谱分析：首先画出信号的时域波形，然后对信号进行频谱分析得到信号的频谱特性。 3. 设计一组数字滤波器并画出各个滤波器的频率响应 (Filter)

optisystem co-simulation with simulink, project

判断一个数是否为素数。可以作为分析研究素数编程的人参考。(To determine whether a number is prime. Analysis of prime numbers can be used as programming easy reference)