AF-DF

极好的有限元结构动力学分析算例，为初学者带来福音(good example for dynamic analysis)

amplitude modulation

基于无速度传感器的异步电机调速系统，运用电流来合成磁链，控制方法是转子磁链定向。采用电流滞环控制，电网电压380V，转矩最大达30N.m。波形效果不错。(Based on speed sensorless induction motor speed control system, using current flux synthesis method for controlling the rotor flux orientation. Use current hysteresis control, grid voltage 380V, maximum torque of 30N.m. Waveform good results.)

多元数据分析的主分量分析投影，esprit算法对有干扰的信号频率进行估计,能量谱分析计算。( Principal component analysis of multivariate data analysis projection, esprit algorithm signal frequency interference can be assessed Energy spectrum analysis and calculation.)

This file consists of matlab codes for a DEA optimization problem using fast algorithms of cplex

求序列的自相关和互相关值的matlab实现！(The function for solving the autocorrelation and cross correlation values)

最优化算法中的带有Wolf搜索求步长的拟牛顿算法求最优值的源码，matlab编程实现，希望对大家有用。(Optimization algorithm with Wolf to the search requirements step quasi-Newton algorithms to find the optimal value of the source code, Matlab programming, and hope to be useful.)

Matlab对于脉冲时滞分数阶多智能体动力系统的仿真，差分方法，注释详尽，给出例子，也可以自行更改系数矩阵。(Matlab For more impulsive delay Fractional simulation, finite difference method Agent dynamical systems, detailed notes, give an example, you can change yourself coefficient matrix.)

参数a,b,n对r=acos(nt+b)的影响，观察菜单和图形的变化，体会相应的程序控制逻辑(The parameters a, b, n r = acos (nt+b) the impact of observed changes in the menu and graphics, the experience of the corresponding program control logic)

这个程序是用MATLAB编的，是用迭代法实现图像的分割，得到感兴趣区域。(This program is retained by MATLAB，and it uses Iterative method to implement image segmentation and obtain the region of interest。)