PCAmatlab

MATLAB经典算法程序源代码,相当经典()

首先将非平稳的故障振动信号进行双树复小波包分解，得 到不同频带的分量；然后对每个分量求其峭度值和相关系数并进行比较；最后选取峭度值和相关系数较大的分量 进行软阈值降噪和双树复小波包重构，即可有效地消除振动信号中噪声的干扰，同时保留信号中的有效信息即实 现了故障特征信息的提取。(In view of the above situation, a new fault diagnosis method is proposed based on dual-tree complex wavelet packet transform and threshold de-noising. Firstly, the non-stationary fault signal is decomposed into several different frequency band components through dual-tree complex wavelet packet decomposition. Secondly, Kurtosis and the cross-correlation coefficient of each component are obtained and compared. Due to the kurtosis reflecting the signal variations, if the kurtosis value is bigger, the degree of the change of signal is bigger too. The correlation coefficient can reflect the proximity between the component and the original signal at the same time, the correlation coefficient is bigger, the more similar with the original signal. Finally, the components that have a bigger value are chosen to be de-noised by a soft threshold and reconstructed by dual-tree complex wavelet packet transform. The noise interference was eliminated effectively, and the effective si)

一个简单的例子，演示如果通过VC使用进度条空间(A simple example demonstrates how to use progress bar space through VC)

把图像导入后，可以实现对图像的huffman编码(Import the images, you can realize the image of the huffman encoding)

说明：  usps数据库为标准手写数据库，此为mat数据文件，含训练集和测试(USPS database is a standard handwritten database, which is a mat data file, including training set and test)

天正T20 4.0（2017）版本过期注册机、补丁(Tian Zheng T20 4 (2017) version software and expired registration machine, patch)

腐蚀算法，形态学算法中比较基本的操作-腐蚀，通过MATLAB编程实现，(corrosion algorithm, morphology algorithm relatively basic operation-corrosion, through MATLAB programming,)

车牌去模糊。执行后可清晰地看到车牌号码。效果很好的~~(License plate to go fuzzy. After the implementation of number plates can be clearly seen)

检具设计工具 运行于ug3d设计软件环境。支持2.0以上。有些版菜单本会出现乱码(The tool design tool runs in the ug3d design software environment. Support more than 2. Some of the versions of the menu would have been messed up)

轮轨接触CONTACT程序，可以用来计算轮轨磨耗(Wheel-rail contact CONTACT procedures can be used to calculate the wheel-rail wear)