butter

说明：  使用matlab编程的m文件，对于了解使用m文件编程的方法有重要意义。(Programming using matlab m file, m file programming for understanding the methods used is important.)

说明：  图像处理：显示，直方图，尺寸变换，付式变换，滤波，输出图像(Image Processing: Display, Histogram, size change, pay-type transform, filter, output image)

说明：  matlab信号调制与解调方面的书 我自己看了一遍 感觉还不错(matlab signal modulation and demodulation aspects of the book I read it again I feel pretty good)

基于全相位傅立叶变换apFFT的滤波程序(Based on all phase Fourier transform apFFT filtering program)

很全面的matlab优化算法的代码集合，包括蚁群免疫等算法都在，很细致。(Very comprehensive collection of matlab code optimization algorithm, including the immune ant colony algorithms such are very detailed.)

Root-MUSIC，适用于DOA估计，程序简单易懂，非常适合于刚入门的同学(Root-MUSIC Algorithm)

基于小波神经网络PNN 的说话人识别程序，希望对大家有所帮助(Based on Wavelet Neural Network PNN the speaker recognition process, and they hope to help everyone)

this is a pi controler for smpm please try t

说明：  it is matlab source code implemeted in Matlab 7.6. this is utilized in matlab.

LDPC MATLAB工具箱，提供LDPC编解码程序(LDPC MATLAB Toolbox provides procedures LDPC Codec)