Harmonic_filter

里面搜集了各种用matlab编写的回归分析算法，相信对参加建模竞赛的同学们会有所帮助。(Which collected a variety of regression analysis using algorithms written in matlab, I believe the students who participate in modeling contest will help.)

该程序是为了找到包含给定二维数据点集合的最小圆(find the mincircle of points set)

point rotation using Quaternion. implementation in matlab. Program is a tool to rotate poin in Cartesian coordinates in three dimensions about any angle. Run moje2.m

用于对无人直升机进行操作杆控制的地面仿真程序，可实现对无人直升机的飞行方向、油门等的控制。(For unmanned helicopters operating lever to control ground simulation program can be realized on the direction of flight of unmanned helicopter, throttle and other controls.)

data set for clustering

BUCK电路数字电流型控制包括PID输出电压3v,电流1A(BUCK digital current-mode control circuit including PID，Output voltage 3v, current 1A)

基于Matlab的FDTD算法，很有参考价值。(Matlab based on the FDTD algorithm, a good reference.)

自适应均衡源码，调试通过，感兴趣的下来试试。(adaptive equalization source code, debugging passed, the interest down try.)

ofdm发送端和接收端，根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。(ofdm sending end and receiving end, according to the characteristics of the short training word correlation operation, the signal reaching the detector, when the detected correlation value is greater than the threshold after a certain number of times that a signal arrives.)

分数阶傅里叶变换(Fractional Fourier Transform, FrFT)，实现线性调频(LFM)信号的参数估计(调频斜率和初始频率)。由粗到细搜索分数阶傅里叶变换的阶数。需要到网上自行下载一个工具函数frft.m.(It is about estimationg the frequency modulation rate and initial frequency of linear frequency modulation (LFM) signal using the fractional Fourier transform (FrFT).It need a function frft.m which could be found in the internet.)