guiyihua

these m files contain the solution of some problems in the book "communication system" by Haykin

设计凸轮，对于偏心直动凸轮，可作出理论轮廓线和实际轮廓线(Design of the cam, the eccentric cam may be made to the theoretical contour and the actual contour)

matlab计算两幅图片之间的psnr和ssim值，彩色图片，算法是转换为YUV计算的，YCbCr(matlab computing psnr and ssim value between two pictures, color pictures, the algorithm is converted to YUV calculation, YCbCr)

说明：  这个文件可以使用matlab绘制各种带箭头的图。三维或二维的箭头图（矢量图）(This file can use matlab to draw various graphs with arrows. 3-D or 2-D arrow (vector))

matlab 7.0上册，还有下册，大家一起下载吧。很有用的数学工具。(matlab 7.0 on the books, as well as under the list and we can work together to download it. Useful mathematical tool.)

基于FFT的图像匹配，用傅立叶变换对图像进行匹配！分别对模板和匹配图进行傅立叶变换(image Regsiter use FFT )

解释什么是loopgain,用于RF的设计(It is useful for loopgain in the RF design.)

ga算法 优化PID参数 功能简单实用 很好很强大(here we go)

透视变换的矩阵算法 逆矩阵算法 参数的求法(The Perspective Transform matrix)

This is a code to design and simulate the CQF filter banks.