sandianping

说明：  这是一个计算镜头视场的软件，非常简单但是很实用。(This is a calculation of the lens field of view of the software, very simple but very practical.)

Interleaver DVB-T GUI

说明：  牛顿哈普森算法，MATLAB源码，This is specially to solve nonlinear systems of equations using the newton raphson method(Newton Raphson Method For NonLinear systems of Equations)

将PEER中下载的地震波多行多列转换成加速度时程数据(try to process the sesmic wave)

this source code is matlab rectifiers

Swarm Optimization is a good technique

基于非负矩阵分解（NMF）的人脸特征提取算法，其基本思想是找到一个母性子空间，是的构成子空间的基图像的像素点都是正值(algorithm of NMF of face detection by matlab)

用median 滤波除去图像中的pepper and salt 噪声，并且给给出了lena图像和coin图像的示例(use median filtering to remove the noise of pepper and salt， give examples of lena andcoin)

动态时间规整的一个应用实例，能够运行，希望对大家有用(Dynamic time warping, an application instance, can run, we want to be useful)

说明：  画出系统的阶跃响应曲线，计算系统的上升时间，调节时间，超调量，稳态误差。。。(drawing the system s step response and comput its adjusting time \stastical error)