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the threshold is determined and the foreground and background are seperated

DC power is steady and continuous, with an electrical charge that flows in only one direction. When the output of DC power is represented on a graph, the result would be a straight line. AC power, on the other hand, flows back and forth in alternating directions so that, when represented on a graph, it appears as a sine wave, with smooth and regular peaks and valleys. A power inverter uses electronic circuits to cause the DC power flow to change directions, making it alternate like AC power. These oscillations are rough and tend to create a square waveform rather than a rounded one, so filters are required to smooth out the wave, allowing it to be used by more electronic devices. AdChoices

Single Phase Real Power Filter

实现白光多缝衍射和双缝干涉，得到白光彩色的干涉条纹(Realization of white multi-slit diffraction and double-slit interference fringes get white color)

说明：  数学建模国赛2016年D题，风电场运行状况分析及优化(Mathematical Modeling National Competition 2016 D Question)

说明：  基于matlab，计算信号功率谱，调用了高阶谱分析工具箱的函数 bispecd 和 bispeci计算信号的双谱(Calculate signal power spectrum and bispectrum based on matlab)

说明：  SARwk算法回波仿真matlab程序，有详细的注释(Sar wk algorithm echo simulation matlab program, with detailed comments)

一个关于陀螺转动的简单模拟程序,是用MATLAB编写的.(a rotating gyroscope on the simple simulation program is prepared by using MATLAB.)

Image Segmentation using Color-based segmentation and Normalizied Corss Correlation (NCC)

Trial run of very effecitive SET_Time Algorithm