HelloWorld

说明：  MATLAB环境下编写的史密斯图形。可作为业余爱好编写(MATLAB，Smith)

北邮通信仿真教程第10章的源程序，教程网上可以搜到，程序包括BPSK,QPSK的调制解调，载波同步，误比特率的计算等。(Beijing University of Posts and Telecommunications Communication Simulation Guide to Chapter 10 of the source, the Guide can be found online that included BPSK, QPSK modulation and demodulation, carrier synchronization, bit error rate calculation.)

椭圆形方程的五点差分方法，内涵求解方程的迭代程序包括雅克比迭代和高斯迭代(Five-point difference method for elliptic equation. Iterative procedures for solving the equation include Jacobian iteration and Gauss iteration.)

说明：  计算在一个矩形里，用同等大小圆来覆盖这个区域，所需要的最小圆个数，我已经运行过(Calculated in a rectangle, the circle with the same size to cover the region, the minimum required for a round number, I have to run-off)

planet rendering program implementation

mimo系统中空时码是其关键技术之一。本程序提出一种新的算法，能有效地提高传输速率(Space-time MIMO system code is one of the key technologies. This procedure presents a new algorithm, can effectively improve the transmission rate)

说明：  改程序为图像增加一个属性菜单，并轻松更改最近浏览图片的属性(IMAGEMENU, without any input arguments, will create this context menu for all images that are found in the current figure)

几种简单的SAR图像预处理方法，包括Lee滤波，Kuan滤波，Frost滤波(Several simple SAR image preprocessing methods, including Lee filter, Kuan filtering, Frost filter )

用teager能量算子来解调出复杂信号的纯调频挑夫函数，用LMD来进行局部均值分解(Pure FM demodulated complex signal porters function with Teager energy operator, using LMD to carry out the local mean)

detect the fiducial point of qrs complex