JIN

denoise In BayesShrink[5] we determine the threshold for each subband assuming a Generalized Gaussian Distribution(GGD) . The GGD is given by GG¾ X ¯ (x) = C(¾ X ¯ )exp¡ [® (¾ X ¯ )jxj]¯ (6) ¡ 1 < x < 1 ¯ > 0, where ® (¾ X ¯ ) = ¾ ¡ 1 X [ ¡ (3=¯ ) ¡ (1=¯ ) ]1=2 and C(¾ X ¯ ) = ¯ ¢ ® (¾ X ¯ ) 2¡ ( 1 ¯ ) and ¡ (t) = R1 0 e¡ uut¡ 1du. The parameter ¾ X is the standard deviation and ¯ is the shape parameter It has been observed[5] that with a shape parameter ¯ ranging from 0.5 to 1, we can describe the the distribution of coefficients in a subband for a large set of natural images.Assuming such a distribution for the wavelet coefficients, we empirically estimate ¯ and ¾ X for each subband and try to find the threshold T which minimizes the Bayesian Risk, i.e, the expected value of the mean square error.

这是一个小波去噪MATLAB源程序,用于处理各种信号中的突变点以及异常点的小波去噪程序，该程序能实现各种序列中的异常点的识别。 (This is a wavelet denoising MATLAB source code for a variety of signal processing and exception point mutations wavelet denoising procedure that can achieve a variety of sequence identification of outliers.)

说明：  用GA算法优化极限学习机的参数，从而实现预测(GA algorithm is used to optimize the parameters of the extreme learning machine to realize the prediction)

说明：  Genetic algorithm.................

This code use Principle Component Analysis(PCA)for feature extraction

Radar 动目标MTI检测器 雷达MTI动目标检测，里面包含所有动目标检测的滤波器，很实用，有不同系数的滤波器进行比较，滤波器可以直接使用(Radar Moving Target MTI Detector Radar MTI moving target detection, which contains all moving target detection filters, is very practical. The filters with different coefficients are compared. The filters can be used directly.)

关于OFDM的基本原理和实现方案，以及相关的matlab仿真的源程序(On the basic principles of OFDM and the realization of the program, as well as the source matlab simulation)

best ebook to learn matlab at home. download it and enjoy. matlab tutorial

This folder has two files for the simulation of universal motor. please run the *.m file to run the *.mdl file(This folder has two files for the simulation of universal motor. please run the*.m file to run the*.mdl file)

说明：  神经网络滑膜变结构控制MATLAB和simulink仿真程序。(Variable structure neural network control of synovial MATLAB and simulink simulation program.)