visible_light_communication

雷达定位算法，通过收集三个雷达的数据确定飞行物的坐标位置(Radar positioning algorithm, by collecting three radar data to determine the coordinates of the location of flying objects)

这个程序是关于matlab7中GADS工具箱的使用例程，比较有特点。(This process is about the GADS toolbox matlab7 in the use of routines, the more characteristics.)

七单元天线阵MUSIC DOA估计： d=1 ， 天线阵元的间距； lma=2， 信号中心波长； 四输入信号； A=[A1,A2,A3,A4]， 得出A矩； 四信号的频率d=[1.3*cos(v1*n) 1*sin(v2*n) 1*sin(v3*n) 1*sin(v4*n)] 构造输入信号矢量 U=A*d 总的输入信号 总输入信号的协方差矩阵 [s,h]=eig(c) 求协方差的特征矢量及特征值 取出与零特征值对应的特征矢量 求协方差矩阵的逆矩阵 应用Music法估计输出 绘出各波达方向图(Seven-element antenna array MUSIC DOA estimates: d = 1, Antenna Array pitch LMA = 2 signal center wavelength four input signals A = [A1, A2, A3, and A4], drawn A moment tetra-frequency of the signal D = [1.3* cos (V1* n) 1* ⁢ sin (v2* n) 1* sin (v3* n) 1* sin (V4* n)] constructed input signal vector U = A* D of the total input signal of the total input signal covariance matrix [S] = EIG (c) seeking covariance feature vector and the feature value removing and corresponding to the zero eigenvalues ​ ​ characterized vector seeking covariance matrix inverse matrix Applications Music estimate output plotted DOA Figure)

说明：  一阶倒立摆仿真matlab程序，包含仿真结果和simulink仿真(Matlab program of one order inverted pendulum simulation)

解决非线性规划问题的内点罚函数法，使用fmincon函数(The interior penalty function method for solving nonlinear programming problems uses the fmincon function)

比较LMS，RLS, 和Kalman滤波器多用户检测器的性能(LMS comparison, RLS, and the Kalman filter multi-user detector performance)

说明：  在MATLAB里开发的几个常用的图像处理工具，简单易用，初学者可以试试。(matlab image process easy )

说明：  关于滤波器的源码 能够在MATLAB上运行(On the source filter can be run in MATLAB)

在MATLAB中使用决策论的方法进行调制方式识别，可以识别AM，FM,USB,LSB,ASK,PSK,FSK等多种调制方式(In MATLAB using the decision theory approach to modulation recognition, you can identify the AM, FM, USB, LSB, ASK, PSK, FSK modulation and other)

简要实现相控阵雷达扫描过程，以及阵元个数对波束的影响(Brief Realization of Phased Array Radar Scanning)