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Daubechies discrete wavelet transform

forward loss section--海底不同掠射角的底质计算，欢迎分享(forward loss section of different glancing angle of the seabed sediment, the welcome to share)

说明：  用矩阵实现而微小波变换，解决途中处理中而微信息量过大的问题(Realization with small wave transformation matrix to address the way in which micro-processing problem of information overload)

使用对称帧差法提取运动模板，后结合背景帧差提取运动目标，二者结合进行逻辑运算，得到最终的运动目标；内部含有一个单独的函数，用于背景重构(Extracted using the symmetric difference motion template frame, combined with the background of the frame difference after the extraction of moving objects, a combination of both logic operations, the final of the moving object inside with a separate function, for background reconstruction)

这一段源代码为瑞利衰落信道的实现，代码比较简单，适合初学者学习(This section of the source code for the realization of Rayleigh fading channel, the code is relatively simple, suitable for beginners to learn)

说明：  这个程序是m序列发生器,它能产生M序列 程序简明扼要 容易运行(This procedure is m sequence generator, it can produce concise and easy to process M running sequence)

flch2bzsheg2.m白噪声产生程序(flch2bzsheg2.m white noise generation process)

说明：  用runge-kutta 法解常微分其中有实例，可以用于验证(Using runge-kutta method for solving ordinary differential examples of which can be used to verify)

the above uploaded codes are very useful for image segmentation,edge detection

Fourier transform, and plot the shape