ofdm

说明：  这是一个基于Simulink的通信系统的仿真程序，主要内容是QPSK在IS-95前向信道中的应用，以衡量其性能。(This is a simulation-based communications system simulation program, main contents of the QPSK in IS-95 to the channel, in order to measure its performance.)

利用三种不同原理产生随机数的方法，种子可以随意变换(Using three different principle methods for generating random Numbers, seeds can be changed at will )

压缩感知 重构算法 迂回式匹配追踪 论文 附带 matlab代码(Compressed sensing reconstruction algorithm matlab code circuitous track comes with matching paper)

用matlab读取PGM格式图片，简单易懂，参考性强(Matlab read the PGM format picture, straightforward reference)

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)

本算法为自适应LMS算法，本算法研究了步长对，权初值，以及是否归一化对算法的影响(The algorithm for the adaptive LMS algorithm, the algorithm of the steps right, the right initial value, and whether the normalization of the algorithm)

Control devices and accessories for contactors

锁相环的一些MATLAB的仿真程序,下载了看看,觉得蛮有用,顺便用来下载东西用(pll matlab)

说明：  利用小波变换做图像压缩，大家相互探讨~相互学习(Do image compression using wavelet transform)

永磁同步电机matlab，simulink 的svpwm仿真(Svpwm vector control of permanent magnet synchronous motor simulink simulation )