MATLAB-Tutorial

Converts a square matrix into its Lower matrix and Upper matrix components.

利用三阶矩求双谱,直接输入信号，即可求出(calculate bispectrum using 3rd order cumulant)

《光学系统设计》书籍对应的所有镜头zemax文件，方便光学设计者参考、调用(All lenses zemax file Optical System Design book corresponding to facilitate reference optical designer, call)

一美国佬编的经典MUSIC算法，基于线列阵，算法简单易懂，初学好用(classic MUSIC Algorithm from american ULA)

说明：  线性调频信号在雷达上的实现，文中给出了设计过程，具有很好的参考价值(LFM radar signals the realization of paper gives the design process, with a very good reference value)

说明：  一篇介绍基于小波变换以及CDMA的水印文章(an article that introduce watermarking based on DWT and CDMA.)

A hexagonal cell within a 4-cell system has a radius of 1.387 km. A total of 60 channels are used within the entire system. If the load per user is 0.029 Erlangs, and  = 1 cal1/hour, compute the following for an Erlang C system with a Gos of 5 :

计算数独的好方法，能够快速解决问题，使用方便(Good way to calculate the number of independent, able to quickly solve the problem, easy to use)

G Rilling 编写的HHT的 matlab代码。(HHT from G Rilling base on matlab)

Taking gradient of an image