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this is the sample of matlab coding for echo hiding data audio steganography... use your own input

matlab 实现arnold 图像置乱(matlab arnold)

truetime 的初始化文件，安装时重要的系统变量设置，进行c语言和matlab联合编程的结合点(TrueTime initialization files, system variables when installing the important settings, combination of C language and MATLAB programming)

说明：  先进PID控制源程序，需要的可以免费下载(Advanced PID control of source code, need can be downloaded for free)

it s knn simulation by matlab toolbox

粒子群优化算法。PID控制器的整定，matlab源码。(Tunning of PID controller using Particle Swarm Optimization Author: Wael Mansour (wael192@yahoo.com) MSc Student, Electrical Enginering Dept, Faculty of Engineering Cairo University, Egypt)

讲述频域宽带波束形成算法的一个文献 有需要的筒子们赶快来下吧(About the frequency-domain broadband beamforming of a document they need quickly to the next bar cheese)

This Program draw spectral correlation function of mixed two signal based on QPSK and QAM

对于初学卡尔曼者有借鉴作用，结合程序可以更好的理解集合卡尔曼理论(For the beginner who has a reference Kalman, combined with a better understanding of the program can be set Kalman theory)

本上传是在matlab环境下实现图像的基于DCT的JPEG压缩，上传内容包括主程序、子函数和实验原理pdf。可供朋友学习与参考。(This upload is in the matlab environment to achieve the image DCT-based JPEG compression, upload content, including the main program, subroutine and experimental principles of pdf. For friends to study and reference.)