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本程序用来实现：运用matlab进行时间序列granger因果检验(The procedure used to implement: using matlab time series granger causality test)

WSN 经典定位算法 包括： Centoid, Bounding_box, Grid_Scan, RSSI, DV_hop, MDS_MAP，APIT(WSN localization algorithms, including the classic: Centoid, Bounding_box, Grid_Scan, RSSI, DV_hop, MDS_MAP, APIT)

基于压缩感知的图像处理，分别使用二维DCT、FFT和一维dwt变换对图像信号进行稀疏变换，然后使用正交匹配追踪算法进行重构，在进行相应的逆变换(This is a image processing procedure based on compressed sensing which respectively uses two-dimensional DCT, FFT and one-dimensional dwt transform to sparse the image signal and then uses the orthogonal matching pursuit algorithm for reconstruction.)

利用有限元方法求解悬臂梁的振动问题,输入节点数可以算出前六阶振型，计算固有频率(Using the finite element method to solve the vibration problem of a cantilever beam, the input nodes can calculate the first six vibration mode, calculate the natural frequency)

根据阶跃响应实验数据，利用PEM函数辨识MAF传感器的模型(experimental data and the use of PEM function identification MAF Sensor Model)

program on wavelet watermark

说明：  电力系统常用软件的介绍，很有针对性，适合新手了解方针方面的知识。(Power system commonly used presentation software, and objects)

2D finite difference implementation of Richards equation for steady-state flow

文件里是一个非常新颖的matlab程序，对研究碰撞和摩擦理论的人来说是非常值得参考的程序。(File is a very novel matlab program, the study of the collision and friction theory for people who are very good reference procedures,)

多电平逆变器MMC，比较简单的三项逆变 打架可以下载看看(Multi-level inverter MMC, a relatively simple three inverters can download to see fights)