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matlab编写的灰度直方图程序，好东东哦(matlab histogram prepared by the procedure)

THREE PHASE MODEL OF DYNAMIC VOLTAGE RESTORER FOR INVERTER CONTROL SCHEME

结构拓扑优化--------------------------------------------(Topology optimization--------------------------------------------)

gui创建，主要是创建的第一个GUI，本来是学习gui的好东西；所以上传分享给大家(gui creation, mainly the first GUI creation, had good things to learn gui upload and share it for everyone)

日本九州大学的机械工程学院的 Xiong Xiaogang 于 2012 年提出一种更易于实现、同时有能够描述所有摩擦力现象的摩擦力模型，其基于一个微分方程和两个代数方程。本程序是其Simulink实现，非常好用。模型原理请参考：(In 2012, Xiong Xiaogang of the school of mechanical engineering, Kyushu University, Japan proposed a much easier way. The friction model, which can describe all friction phenomena, is based on a differential equation and two algebraic equation. This program is its Simulink implementation, very good use. Model principles, please refer to:Xiong X, Kikuuwe R, Yamamoto M. A differential-algebraic multistate friction model[M]. Simulation, Modeling, and Programming for Autonomous Robots. Springer Berlin Heidelberg,2012)

计算时间序列的Hurst系数有许多方法，但是其中最准确的就是利用小波法来计算，本程序用Matlab实现了用小波来计算Hurst系数。(Calculation of the Hurst coefficient of time series has a number of ways, but one of the most accurate method is to use wavelet basis, the procedures used to achieve the use of Matlab to calculate the Hurst coefficient of wavelet.)

说明：  一个用matlab作时频分析的代码，大家可以看看他的分析方式(using Matlab for a time-frequency analysis of the code, we can look at his methods of analysis)

基于matlab的通信系统仿真（调制到中频，基带成形）(Matlab-based communications system simulation (modulated IF, baseband shaping))

本例主要说明了空间域滤波与频域滤波的比较！在空间域中采用了Sobel掩膜对f滤波的结果与在频域中进行等价操作的结果！(This example illustrates the spatial filtering mainly with the comparison of frequency domain filtering! In the spatial domain using the Sobel filter mask on the results of f in the frequency domain is equivalent with the result of the operation!)

一个 gui 界面的 matlab 串口通信演示程序,对实验数据进行处理，达到要求(A gui interface, serial communication matlab demo program, the experimental data processing, to meet the requirements)