comm_crad_code

说明：  这是一篇关于4G方面的一篇文章，它主要是介绍了4G的一些关键技术，如智能天线技术、MIMO技术、中继技术等。

一个比较好用的matlab工具箱，功能很齐全(A more useful matlab toolbox functions are complete)

用Matlab观察分岔与混沌现象。利用迭代格式，做出相应的Feigenbaum图(Using Matlab to observe the phenomenon of bifurcation and chaos, the use of iterative scheme, corresponding to the Feigenbaum map)

通过重心法确定光斑图像的中心。根据个像素的灰度值和所在的位置乘积和总面值作比，进而求得重心。(Through the center of gravity method to determine the center of the image spot. According to the gray-scale pixel value and the location of the product and the total for more than face value, and then get the focus.)

The file introduces a modelling for the photovoltaic array panel.

the program is for a function (x-15)^2+(x-20)^2

这是图像融合中空间转换的MATLAB代码(This is the image fusion space conversion of MATLAB code)

利用wolfe-powell准则求解函数优化问题，使用不精确搜索法寻找最优步长，仿真正确。(Wolfe-powell guidelines for solving function optimization problems, the use of imprecise search method to find the optimal step length, the simulation is correct.)

说明：  卫星二体轨道动力学模型仿真，用于卫星轨道模拟，航天领域(Satellite two-body orbit dynamics model simulation)

MATLAB对IMM算法的仿真，基于CV,CA模型(MATLAB simulation of the IMM algorithm, based on CV, CA Model)