classification-of-Speech-signal

文化算法的MATLAB实现。实验结果表明该算法具有良好的性能。(MATLAB implementation of cultural algorithms. Experimental results show that the algorithm has good performance.)

环形电流磁感应强度的分布，点电荷等势面的分布、两个点电荷感应强度的分布(The distribution of the potential surface of the ring current distribution of the magnetic induction, the point charge, two point charge distribution of the flux density)

Non negative matrix factorization. Using multiplicative update.

说明：  matlab的svm中使用的交叉验证函数（kfold），一般libsvm数据包中没有，需要自己加入(The svm matlab to use the cross-validation function (kfold), general packet libsvm no need to add yourself)

采用遗传算法优化自抗扰控制器的参数，简化了调节参数的难度(Genetic algorithm was used ADRC parameters, simplifying the adjustment parameters of difficulty)

由于衰减对于地震数据的影响，本程序改进质心频移法，求取VSP数据的Q值，具有比较好的稳定性和实用性。(Q inversion for VSP data)

模块化多电平整流器中，单相七电平整流器的仿真模块 。(Modular multi-level rectifier, single phase seven level rectifier simulation module.)

基于KL变换的目标识别技术，个人认为效果比神经网络要好(KL transform based target identification technology, think better results than the neural network)

本文提供了彩色图像的简单降采样，缩小，及方法功能，以及图像成倍给打上马赛克的matlab有效可执行代码，希望对大家的学习有帮助。(This article provides a simple down-sampled color image, narrow, and functional method, and an image mosaic matlab doubled to effectively marked executable code, we hope to help learning.)

采用extendedkalmanfilter进行状态估计（电池常电流放电电量）(For state estimation using extended kalman filter)