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使用自适应中值滤波器对图像做预处理，实现图像的消噪(Use adaptive median filter to the image preprocessing, to achieve image denoising)

This code contains the hilbert envelope method for extracting modal properties

包括：6机组系统的分布式梯度算法代码；基于GA的21节点无功优化；基于GA的二次型优化；matlab高级指令；依据matpower进行潮流计算中JJ矩阵的求解。(Comprising: a distributed gradient algorithm code 6 Unit System optimization based on GA 21 nodes reactive power quadratic optimization based on GA matlab advanced instruction matpower flow calculation based on the JJ matrix solver.)

Robotics book form a famous brasilian author, free copy and its in portuguese

新型调制技术 OFDM matlab 代码(The new modulation technique OFDM matlab code)

说明：  该程序用来实现语音的变调不变速，可以将男声变为女声或者反过来。(The program' s tone is not used for voice transmission, can be male, or turn into a female.)

这是一个圆阵列声阵列仿真程序，信号处理，希望对大家有用。(This is a circular array of acoustic array simulation program, signal processing, we want to be useful.)

An implementation of AVL tree very useful for understanding searching in graph.

遗传算法自编程序，自己编写的matlab程序，没有用到工具箱(Genetic algorithms written procedures,)

论文 Least Squares Loss for Multi-class (task) Learning via the sparse group Lasso penalty 的算法源代码，是sparse+l1+lq,1的稀疏属性选择算法。( Least Squares Loss for Multi-class (task) Learning via the sparse group Lasso penalty Problem min 1/2 || A x- y||^2+ lambda_1* |x|_1+ lambda_2*|x|_{q,1} q=2, infty)