Hilbert

conver rgb image to yuv

simple basic buck circuit

image rotate using hough transform to detect the edge of image.

模拟实验室中产生的清音和浊音，通过仿真产生清浊音的频谱图，非常有效的对比，可以看出它们之间的差异。(Voiceless and voiced simulation laboratory generated by simulation generated Voicing the spectrum, very effective contrast, you can see the difference between them. )

利用matlab绘制三维图形，有源程序和案例。比较适合初学者，及图形编制爱好者。(Draw three-dimensional graphics using MATLAB method and case study. More practical. There is a great help for beginners. )

matlab 绘图 绘图函数:plot,plot3,mesh 函数的用法简单图形标注，简单颜色设定(Drawing matlab function: plot, plot3, mesh function marking the use of simple graphics, simple color settings)

易语言对象操作WINDOWS防火墙源码例程程序创建易语言HNetCfg.FwMgr对象，实现读写防火墙的属性配置。(The easy language the object operation WINDOWS firewall source routine procedures create easy language HNetCfg.FwMgr object to achieve read and write properties firewall configuration.)

已知弹性模量计算超声波(横波)穿透固体与液体界面时的能量分配算法。(Ultrasonic elastic modulus (shear wave) to penetrate the solid and liquid interface energy allocation algorithm.)

Frequency Modulation

说明：  中文版的matlab文档，适合那些和我一样英语不好的同学(Chinese version of matlab files, suitable for those who, like me, English not good students)