chengxu_1

在MATLAB里，基于dct域,实现在二维图像中嵌入数字水印 并提取。(In MATLAB, the dct-based domain, the realization of two-dimensional images in the digital watermark embedding and extraction.)

说明：  this is a MT-1D forward modeling code!

DES算法的加解密程序，MATLAB实现，还有实验报告一并附上。(DES algorithm encryption and decryption procedures, MATLAB implementation, the key length can only be eight.)

正向云发生器及其代码,matlab描述.....(cloud creator of forward and the code of that,discribed by matlab)

说明：  this is matlab signal processing doc assignment and m file for various signal system code

交流BUCKBOOST拓扑的MATLAB仿真 (AC_BUCK_BOOST )

数字信号分析，MATLAB实现，全好用，适合研究生教材(digital singanal)

2009 Multimedia GroupT 工程师学院全英文教程，详细讲述了声音和图像两部分，此部分为（上）。(2009 Multimedia GroupT Engineers in English tutorials, detailed account of the sounds and images of two parts, this part is (above).)

说明：  伪随机序列产生器－filtered 代进位反馈移位寄存器，matlab 原代码。(Pseudo-random sequence generator-filtered on behalf of binary feedback shift register, matlab source code.)

计量经济学的统计回归相关工具包，包括最优化、VAR-CVAR(toolboxes related in statistics and regression, including optimization and VAR-CVAR model)