perception

2维傅立叶变换方法用于分析干涉条纹，相移计算。(2D FFT for fringe annalisys)

说明：  my matlab image enhanchment code

移动最小二乘法求曲面谷脊线，并立体呈现 参考文献：Sparse Low-degree Implicit Surfaces with Applications to High Quality Rendering, Feature Extraction, and Smoothing(To obtain the valley ridge moving least square method, and three-dimensional rendering)

Induction machines are more rugged, compact, cheap and reliable in comparison to other machines used in similar applications. Vector controlled induction motor drive outperforms the dc motor drive because of higher transient current capability, increased speed range and lower rotor inertia

some code on matlab,previous code type

改进包络法去除 emd 端点效应 改进包络法去除 emd 端点效应(improve envoy)

信号功率谱分析，有各种方法，在此一一编写，方法一(Signal power spectrum analysis, there are various methods, in which 11 the preparation of, method 1)

用matlab实现简单的卡尔曼滤波功能，(Using matlab to achieve a simple Kalman filtering)

c4.5主要函数的matlab实现，简单易懂，扩展性很强(c4.5 main function of the Implementation of Matlab, simple, strong expansion)

格子Boltzmann方法，D2Q9模型，模拟多孔介质流动(Lattice Boltzmann method, D2Q9 model to simulate the flow in porous media)