Codes

采用db4小波对是与信号进行降噪处理，实际效果良好(Using DB4 wavelet denoising is processing and signal, the actual effect is good)

基于MATLAB语言编写，完成对语音信号的采集、频谱分析及滤波。 比较滤波前后语音信号的波形及频谱。 (Based on MATLAB language, complete speech signal spectrum analysis and collecting and filtering. Compare filter before and after speech signal waveform and spectrum.)

说明：  得州仪器的交流异步电机的仿真模型。适用于Ti的片子(Texas Instruments AC induction motor simulation models. For Ti films)

卡尔曼滤波的matlab程序 按照基本卡尔曼滤波算法编写(Kalman filter matlab program prepared in accordance with the basic Kalman filter algorithml)

用米尔恩（Milne）公式求解常微分方程初值问题的数值解(By Milne (Milne) for solving ordinary differential equations numerical solution of initial value problems)

Matlab读取Excel操作，可以学习下交流交流(Matlab read Excel, you can learn from the exchange under the exchange)

roc 曲线的画法源代码 方便广大初学者应用(PLOTROC Plot receiver operating characteristic)

不错的pso源程序，非常适合初学者学习。(Pso good source, very suitable for beginners to learn.)

牛顿法， 快速解耦法， 。潮流计算在数学上属于多元非线性方程组的求 解问题，在用迭代法求解时涉及到大量的矢量和矩阵运算，因而寻求一个能高效 地处理矩阵运算的语言，将给潮流计算程序的编制带来巨大的方便.(fast flow electric Power flow calculation is mathematically the solution of multivariate nonlinear equations. Solving the problem involves a large number of vector and matrix operations when solving the iterative method, thus seeking a highly efficient solution. The language of matrix operation will bring great convenience to the compilation of power flow calculation program.)

The classic method of calculating GLCM texture, based on matlab platform