MFDFA

解决了振动耦合的问题，本人在论文研究前期搞的一些程序，请多指教(To solve the problem of the coupling vibration, I in the paper the researches of some of the program up, please give your comments)

Autocad Files - Bed - 24 Files

说明：  波动方程有限差分数值模拟，采用二阶差分，AEA自由表面边界条件(Finite difference numerical simulation of wave equation using second order difference and AEA free surface boundary conditions)

这是一个MATLAB算例，在信号处理中的去噪可以用的到。新手合适。(This is a MATLAB example, in signal processing can be used to de-noising. Novice appropriate.)

单闭环转速负反馈直流调速系统仿真 simulink模型，可仿真，可运行，有源码(Single-loop speed control system based on negative feedback DC)

这是用MATLAB做的三维立体图。。。。。。。。(This is done using MATLAB three-dimensional map. . . . . . . .)

matlab主成分分析的几个案例 包括从协方差矩阵或相关系数矩阵出发求解主成分 从样本观测值矩阵出发求解主成分(Principal component analysis matlab several cases, including the covariance matrix or correlation matrix to solve the main ingredient of departure from the starting sample observation matrix solving the main ingredient)

用matlab分析传统光学系统中加入三次相位掩模板之后所获得的光线像差(Analysis using matlab conventional optical system by adding three phase mask obtained after the aberration of light)

本代码是关于认知无线电系统中能量检测中的双门限检测的，代码清晰易懂，频谱感知入门时可以看看。(double threshold in energy detection)

说明：  Simulink课件 略去不必要的介绍 适合初学者(Simulink courseware spent unnecessary introduction for beginners)