contacthandling

steganography means we have to hide the information in the image for using encryption and decryption algorithm also.

根据转速，节圆直径，滚动体直径，采样率进行滚动轴承故障尺寸的计算(Size calculation for rolling bearing)

给出了基于MGA算法和SGA算法的结果比较，得到所要求的函数优化结果。(MGA algorithm is given based on comparison of the results and SGA algorithms, function optimization to get the required result.)

关于MATLAB方面的教程主要是关于如何应用等基本操作(About MATLAB aspects tutorial is about how to apply the basic operations)

说明：  理想滤波器，可以自由设置阈值，大学编程中可能会用到(Ideal filter, free to set threshold, which may be used in University Programming)

均值漂移算法应用于一维随机数据的聚类，漂移到其密度极大值(Mean shift clustering algorithm applied to the one-dimensional random data, drift to the density maxima)

backstepping Controller application

这个是matlab下的全部时频分析在信号处理中的代码(this is the whole of Matlab time-frequency analysis in signal processing code)

二维码PDF417的国标，是很好的学习标准。(PDF417 two-dimensional code of GB, is a good learning standards.)

一个讲述MATLAB偏微分方程工具箱的 PDF 文件(A MATLAB PDE toolbox about PDF files)