Voice-signal

The voltage fluctuation and the flicker are taken as an important index to judge the power quality in IEC6100－3－7 of the EMC standard and GB12326－2000.

代码是一种数据挖掘算法，fuzzy-K-means，对数据进行分类(The code is a data mining algorithms, fuzzy-K-means, data classification)

说明：  谐波源案例，基于matlab/simulink的谐波源案例。(Harmonic source case)

PID regulators in diferent form

拟合直线拟合直线拟合直线拟合直线拟合直线拟合直线拟合直线拟合直线拟合直线拟合直线(polyfit the line polyfit the line polyfit the line)

利用乘幂法求解矩阵A=[6，-11,6 1,0,0 0,1,0]的特征根（1,2,3）(solve the characteristic roots of array: A = [6,-11,6 1,0,0 0,1,0] by using matrix power method the root=(1,2,3))

Single Carrier Frequency Domain Equalization Simulation(单载波频域均衡仿真程序)(Single Carrier Frequency Domain Equaliza tion Simulation (single-carrier frequency-domain simulation program balance))

matlab code for Speed Control of Brush-less DC motor

sample gausian mixture

MATLAB工具函数汇总。对参加数学建模用MATLAB写程序很有帮助(matlab utility functions summary。)