my_emd

利用KNN最近邻算法，对心音信号进行分割并判断，给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)

matlab基本差分进化算法，仅供参考，包括种群变异，交叉、选择生成下一代种群的过程(matlab basic differential evolution algorithm, for reference, including the population variation, crossover, select the process to generate the next generation of population)

说明：  三目标微电网优化调度，减少成本，提升效益(Optimal Dispatching of Microgrid)

实现emd分解及hht，并能够画出IMF的图像，是研究hht的一个不错工具(Achieve emd decomposition and hht, and be able to draw images of IMF is to study the hht' s a good tool for)

使用MATLAB对特定信号进行频谱分析，画出幅度和相位谱的图像，并包含卷积运算和验证程序(The use of MATLAB to carry out a specific signal spectral analysis, to draw the magnitude and phase spectrum of images, and includes the convolution operation and the verification process)

说明：  EZW算法的过程详解和Matlab代码，关于小波树的变换，在图像处理中的应用(Detailed process of EZW algorithm and Matlab code, the tree on the wavelet transform, applications in image processing)

MUSIC算法是一种基于矩阵特征空间分解的方法。从几何角度讲，信号处理的观测空间可以分解为信号子空间和噪声子空间，显然这两个空间是正交的。信号子空间由阵列接收到的数据协方差矩阵中与信号对应的特征向量组成，噪声子空间则由协方差矩阵中所有最小特征值（噪声方差）对应的特征向量组成 (MUSIC algorithm is a feature space based on matrix decomposition method. From the geometric point of view, the observed signal space can be decomposed into signal subspace and noise subspace, it is clear that two spaces are orthogonal. Signal subspace to the data received by the array covariance matrix and the eigenvector corresponding to the signal component, the noise subspace from the covariance matrix of all the smallest eigenvalue (noise variance) eigenvector corresponding to the composition )

说明：  pagerank的改进，使用的的leaderrank(Improvement of PageRank, leader rank used)

非常实用的Matlab编程手册，内容全面便于工程技术人员查找(Matlab programming manual is very useful, comprehensive and easy to find engineers)

image proccesing improved digital image by frequency filter