laoyun_v21

matlab俄罗斯方块程序，，非常真实的界面，MATLAB_GUI设计多多学习(Tetris matlab procedures, very real interface, MATLAB_GUI design a lot to learn)

code for canny edge detector

一种由运放构成的恒流源电路，文章中详细介绍了运放的构成及计算(analysis of voltage controlled constant dc current source on OP)

说明：   运用MATLAB编程得到简单信号、简单信号运算、复杂信号的谱和功率谱图，复杂信号的谱存在线谱和连续谱，并分析其组成。(Be simple to use MATLAB programming signal, a simple signal computing, complex signal and power spectrum of the spectrum, the existence of complex signal spectrum line spectrum and continuous spectrum, and to analyze its composition.)

Single Phase Real Power Filter

newmark法求解振动问题，按照清华出版的张义民的教材编的(newmark method to solve vibration problems, according to published Qinghua Zhang Yimin textbooks compiled)

用matlab实现的DCT水印处理，并附有图像显示。(Matlab implementation of the DCT with watermark treatment, together with image display.)

source code for matlab simulation

三相级联H桥的研究和应用，希望能够对大家有所帮助，能和大家多交流(Research and Application of the three-phase cascade H-bridge, hoping to be helpful to everyone, and everyone can have more exchanges)

进行谱分析，常用的几种谱分析方法，包括welsh(Spectral analysis, spectral analysis of several commonly used methods, including welsh)