shuangwen

this file describes and run the FILTERING of a picture.

非常强大的matlab风轮仿真程序，可以直接直观反映风轮运行的三维空间情况(simulink of wind turbine)

说明：  极限学习机一种单隐层神经网络，用于数据分类，故障诊断等(ELM is A single hidden layer neural network for data classification, fault diagnosis, etc)

采用MATLAB实现图形化树状网潮流计算程序开发(Graphical tree network flow calculation program development)

单相有源功率因素校正电路模型，采用电压外环，电流内环的单相APFC双闭环控制原理，MATLABR2014a搭的模型，使得交流测电流在一定程度上正弦化，减小装置的非线性，改善功率因素(Single phase active power factor correction circuit )

基于AR模型的现代谱估计，分别实现自相关法，协方差法，Burg法，对比分析性能，及与经典谱估计的比较(AR model based on modern spectral estimation, respectively, to achieve auto-correlation method, covariance method, Burg method, comparative analysis of performance, and comparison of classical spectral estimation)

matlab 运用PCA算法对图像降维级图像重建代码(matlab image using PCA dimensionality reduction algorithm for image reconstruction code level)

机械结构的matlab仿真很实用 计算结构的加速度速度等等(Matlab simulation of the mechanical structure is very practical computing structure acceleration speed, etc.)

井间雷达层析速度反演开源软件包，算法快速稳定，最短路径正演+LSQR法反演。适合层析编程学习(Open source borehole georadar data processing and ray-based 2d tomography software from internet)

说明：  基于matlab环境下的ARMA(1,1)模型的参数估计程序(Matlab environment based on ARMA (1,1) model parameter estimation procedures)