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matlab file .. it is very important.i t is a a a very very very imp file.

walsh基（w0-w7）的源码及图像,这是在matlab中实现的代码(walsh base (w0-w7) the source and image, which is implemented in matlab code )

说明：  我最近用MATLAB做的语音处理实验，含有3种处理方式，希望对大家有帮助。(I have recently done with MATLAB voice processing experiments, containing three kinds of approach, I hope all of you help.)

使用matlab编写的一些滤波器程序，可以参考使用(some matlab program of the filter , reference may be used)

采用猫映射图像加密，有二维三维到四维。都是已经在matlab运行通过的(Cat mapping using image encryption, there are two-dimensional to three-dimensional four-dimensional)

图像修复的一篇比较好的文章，将图像分解为卡通和纹理，对于难修复的纹理部分采用纹理合成方法，修复的效果较好(An article in relatively good image restoration, the image is decomposed into a cartoon and texture, texture for the difficult part of the repair method using texture synthesis, repair is better)

Matlab 官方工具箱使用说明 apiext外部程序使用手册(Matlab toolbox for use in official external program apiext user manual)

Particle Swarm Optimization Algorithm Trial

数字调制技术的发展日新月异现如今信息技术不断的推陈出新，信息的传输及通信起着支撑作用。而对于信息的传输，数字通信已经成为重要的手段。因此，数字信号的调制就显得非常重要。数字调制是通信系统中最为重要的环节之一，而实现数字调制需要的方法就需要用键控法来实现，比如可以对载波的振幅、频率和相位进行键控。(ASK , FSK , PSK modulation and demodulation of the simulation comparison )

29个数学建模常用模型，内涵详细介绍，国赛省赛美赛常用模型(29 commonly used mathematical modeling model, content in detail, the US national tournament provincial tournament match common models)