my_fft

一个很好地主元分析（PCA）程序~~~~~~(A good Principal component analysis program！)

一维标准的WENO程序，使用了matlab编程环境。(standard one dimensional code of weno scheme using matlab.)

自己编写的OOK调制与解调，内含matlab-figure-file、matlab-M-file和得出的jpg格式图形！(I have written OOK modulation and demodulation, containing matlab-figure-file, matlab-M-file and come to the jpg format graphics!)

百例MATLAB程序，很实用，适合初学者(100 cases of MATLAB program, very practical, suitable for beginners)

This is a Multi Objective BAT Algorithm.

这是Matthew Pais用matlab编写的扩张有限元程序，包括了裂纹扩展的情况(Matthew Pais XFEM)

说明：  实现包络谱轴承故障诊断检测，通过matlab实现，可以直接演示(The envelope spectrum bearing fault diagnosis and detection is realized by MATLAB, which can be demonstrated directly)

测量数据处理非常复杂，但应用Matlab强大的数据矩阵处理能力，可以非常容易的实现最优控制，超定方程等问题的解算。(Measurement data processing is very complex, but the application of Matlab data matrix powerful processing capability, can be very easy to achieve optimal control, overdetermined solving such issues.)

用于将机车车轮踏面形貌以轮缘最高点对中，最终获得踏面磨耗，用以处理车轮踏面信息。(used for locomotive wheel tread morphology to the highest point on the rim, eventually get the tread wear.)

目录 1.图像反转 2 2.灰度线性变换 2 3.非线性变换 4 4.直方图均衡化 5 5. 线性平滑滤波器 6 6.中值滤波器 7 7.用Sobel算子和拉普拉斯对图像锐化： 8 8.梯度算子检测边缘 9 9.LOG算子检测边缘 11 10.Canny算子检测边 缘 12 11.边界跟踪 （bwtraceboundary函数） 13 12.Hough变换 14 13.直方图阈值法 16 14. 自动阈值法：Otsu法 18 15.膨胀操作 19 16.腐蚀操作 20 17.开启和闭合操作 21 18.开启和闭合组合操作 22 19.形态学边界提取 24 20.形态学骨架提取 25 21.直接提取四个顶点坐标 26 22.文件打开窗口 27 (Contents 1 image reversal 22 23 gray linear transformation. Nonlinear transformation 44. Histogram equalization 55 linear smoothing filters 66. Median filter 77. Sobel operator and Rapp Las Image Sharpening: 88. gradient edge detection operator 9 9.LOG edge detection operator 11 10.Canny count of edge detection 1211. the border tracking (bwtraceboundary function) 1413 13 12.Hough transform histogram. threshold Law 1614 automatic thresholding method: Otsu 1815 expansion operation 1916. corrosion operation 2017. opening and closing operation of 2118. combination of opening and closing operation 2219. morphology boundary extraction 24 20 morphological skeleton extraction 2521 direct extraction of four vertex coordinates 2622 File Open window 27)