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二阶粒子群算法，微粒的飞行速度变化与位置变化有关(SecPSO)

涡格法计算现行气动力的matlab代码，用于飞机机翼概念设计阶段的气动力评估(Tornado is a Vortex Lattice Method for linear aerodynamic wing design applications in conceptual aircraft design or in aeronautical education)

异步电机 matlab仿真模型 PID调节已经调试好矢量控制 弱磁控制 第一次发帖 精心准备(FOC field orientation control induction motor)

说明：  solve a joint antenna selection and analog beamformer problem(jointly design the antenna selection and analog beamformer with low-resolution phase shifters in mmwave MIMO systems)

fingerprint code by matlab

matlab图像处理示例详解，杨丹，赵海滨等，书中的源程序(Detailed matlab image processing example, Dan Yang, Zhao Haibin, etc., in the book of the source)

PCA的步骤： 1 先将数据中心化； 2 求得的协方差矩阵； 3 求出协方差矩阵的特征值与特征向量； 4 将特征值与特征向量进行排序； 5 根据要降维的维数d’,求得要降维的投影方向； 6 求出降维后的数据； (PCA steps: 1 of the first data center 2 covariance matrix obtained 3 obtained covariance matrix eigenvalues and eigenvectors 4 eigenvalues and eigenvectors will be sorted 5 according to the dimension of dimension reduction d ' , seek to reduce the dimension projection direction 6, the data obtained after the dimensionality reduction )

rgb 绘图问题 是matlab方面的 (rgb graphics aspects of the problem is matlab)

svd水印算法,运用svd分解来嵌入水印，抗噪性和鲁棒性都很好(svd watermarking algorithm)

这个文件可以用来更改matlab生成的界面的标题栏的小山似的图标，换为自己自定义的任何图片(This document can be used to generate matlab change the title bar of the interface of the hill-like icon for their own self-definition for any picture)