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matlab各种周期信号的频谱分析matlab各种周期信号的频谱分析。(matlab various periodic signal range of the spectrum analyzer matlab cycle spectrum analysis of signals.)

source code of ecg signal

matlab中绘图的时候 图形处理的各种技巧 是入门是学习matlab编写m文件用处很大(various techniques in drawing matlab graphics processing time entry is learning to write matlab m file has proved very useful)

说明：  设计中心波长在1550nm,光栅长度、折射率调制深度等可调，可以仿真出FBG的透射谱(The design center wavelength is 1550 nm. The grating length and refractive index modulation depth can be adjusted.The transmission spectrum of FBG can be simulated.)

蚁群算法、TSP、MATLAB。已经调试通过，算法比较简洁。(Ant colony algorithm, TSP, MATLAB. Has been debugged, the algorithm of relative simplicity.)

color & texture results

基于pocklington方程和hallen方程的矩量法求解线天线电流分布和方向图(Based pocklington equation and hallen equation method of moments current distribution and antenna pattern)

说明：  给出轨道根数，求初始位置与速度并作图。其中地球以真实比例缩放画出(Gives the orbital elements, find the initial position and velocity, and mapping. Which to draw the earth to the true scaling)

多元逐步线性回归的matlab程序，里面有交通流数据资料，自己用的，可以用的(Multiple stepwise linear regression of the matlab program, there is a traffic flow data, for my own use, can be used)

说明：  寻找三次样条多项式需要求解大量的线性方程。实际上，给定N个断点，就要寻找N-1个三次多项式，每个多项式有4个未知系数。这样，所求解的方程组包含有4*(N-1)个未知数。把每个三次多项式列成特殊形式，并且运用各种约束，通过求解N个具有N个未知系数的方程组，就能确定三次多项式。 (find cubic spline solving polynomial need a lot of linear equations. In fact, given N breakpoints, it is necessary to look for N-1 cubic polynomial, each with four polynomial coefficients unknown. Thus, by solving the equations contain 4* (N-1) unknown. Each cubic polynomial Timing special form, and use of various constraints, by solving N with N unknown coefficient equations, we can identify three polynomial.)