PEViewer

说明：  图像的加密与解密，非常好的一个例子，可以学到不少的好东西。。(Image encryption and decryption, a very good example, can learn a lot of good things. .)

Inverse zig zag scan used after zigzag scan to arrange the data back to 2d matrix or image

BP神经网络 BP神经网络 BP神经网络 BP神经网络 BP神经网络( BP neural network BP neural network BP neural network)

Algorithm Collections for Digital Signal Processing Applications using Matlab - E.S. Gopi

遍历文件夹下的文件，并计算类内距离和类间距离。(Traverse folder under the file, and calculate the distance between the within-class distance and class.)

基于RSSI的距离测量 matlab 将接收信号强度RSSI转化为距离，发射信号经衰减到达接收端,根据接收信号的强弱计算T-R距离(RSSI-based distance measuring the received signal strength RSSI matlab converted into distance, attenuated transmitted signal arrive at the receiver end, according to the strength of the received signal the calculation TR)

matlab编制的五波峰脉冲调制信号，应用heaviside脉冲函数(Five crest pulse modulated signal matlab compiled application heaviside pulse function)

说明：  DBSCAN聚类算法matlab算法部分代码，包含主程序及画图程序(DBSCAN clustering algorithm matlab algorithm part of the code)

matlab没有提供画椭圆的函数，该函数在获得椭圆中心 长轴 短轴后进行画椭圆，其中使用复变函数。(matlab ellipse paintings did not provide the function, which was oval in the center long axis of oval painting after the short axis, in which the use of complex variable function.)

说明：  matlab 编程中常用的函数，不会时可以拿来看看(matlab normal fuction )