surf_from_scatter

说明：  matlab中的关于优化问题实验方面的例子和程序(matlab optimization problems in the experiments on the examples and procedures)

载波频率不同的多个DSB信号混合后，在不知道源信号的情况下，将混合后的DSB信号分离出来(A different carrier frequency signals of multiple DSB after mixing the source signals without knowing the circumstances, would be a mixture of the DSB signal separation)

L-M(Levenberg—Marquardt)是一种非线性最优化里面最常用的方法之一，改方法能快速而准确的逼近收敛值。本文简述了改方法的操作原理和具体运用，如可以方便的用于有约束与无约束最优化的求解。(L- M (Levenberg- Marquardt) is a kind of nonlinear optimization inside one of the most commonly used method, change method can fast and accurate approximation convergence value.This paper briefly describes the operating principle of change method and concrete application, such as easy to solve constrained and unconstrained optimization.)

介绍matlab的各种用法，属于matlab教学类资料(Introduction matlab various uses of the matlab teaching class information)

用于盲源信号分离,可以将源信号通过混合矩阵进行混合，通过求解分离矩阵，实现源信号的分离。(Using ICA algorithm to solve blind source separation problems,this procedure can separate the source commendably.)

MATLAB R2008图形与动画实例教程全书源程序 适合图像处理，生物特征识别方向初学者，有详细代码，详细讲解. (source code of the book MATLAB R2008 graphics and animation tutorial xamples Suitable for the beginning researchers of image processing, biological feature recognition direction, with detailed code and explaination in details )

2D-DWT steganography using convolutional codes

扩频技术和cmda技术结合相结合进行通信系统的仿真(Cmda spread spectrum technology and communication technologies combining system simulation)

运用Matlab，对一些对比度较差的图片进行目标物提取时使用的阈值方法，其中，其运用的是动态阈值的方法（非全局阈值）(Using Matlab, for some poor contrast image target extraction using threshold method, among them, the use of a dynamic threshold method (not a global threshold value))

BPSK signal generation