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DVB-T，DTMB简化的信道仿真程序。设置了三种保护间隔：循环前缀、零添加、伪随机添加。用于研究不同保护间隔下的SNR特性，附带一个不同保护间隔下的频谱显示，可看出三种保护间隔对OFDM频谱陡峭程度的影响。(DVB-T，DTMB channel simulation and spectrum display.)

1、掌握用MATLAB计算拉格朗日、分段线性、三次样条三种插值的方法，改变节点的数目，对三种插值结果进行初步分析。 2、掌握用MATLAB作线性最小二乘的方法。 3、通过实例学习如何用插值方法与拟合方法解决实际问题，注意二者的联系和区别。(1. Grasp by matlab calculating Lagrange, segement linear, 3rd order spline these 3 interpolation method. Analisize the 3 interpolation results by changing the No. of points. 2. Grasp the method of linear minimun 2 product mehtod using matlab. 3. Solve the practical problems though the study of example of how to use interpolation and fitting method. Pay attention to the relation and difference of the 2 methods.)

说明：  基于MATLAB语言的OFDM（正交频分复用）技术仿真，考虑到了信道衰落和干扰因素，完全原创。(OFDM (orthogonal frequency division multiplexing) technology simulation based on Matlab, taking into account the channel fading and interference factors, entirely original.)

MATLAB实现HFC高光谱端元提取算法(MATLAB code of HFC algorithm)

modification for curvelet code running

差值、函数逼近、矩阵特征值计算、数值微分、数值积分、方程求根、非线性方程组求解、线性方程组直接法、线性方程组迭代法、随机数生成、特殊函数计算、常微分方程初值问题、偏微分方程数值解法、数据统计和分析(Difference, function approximation, eigenvalue calculation, numerical differentiation, numerical integration, finding roots of equations, nonlinear equations, linear equations, direct method, iterative linear equations, random number generator, a special function to calculate , initial value problems of ordinary differential equations, numerical solution of partial differential equations, statistics and analysis)

algo of matlab code to find obstacle

说明：  matlab的初级教程，适用于初级学习的人(matlab primary curriculum for primary learning)

分数阶fourior变换的源码，主要用来处理线性调频信号(fractional fourior transform source code, is mainly used to treat LFM)

说明：  风电场随机注入功率潮流计算文件，在IEEE14节点下任意设置风电节点及其注入功率，即可进行潮流计算以及静态安全分析(The power flow calculation file of random injected power of wind farm can be used for power flow calculation and static safety analysis if the wind power node and its injected power are arbitrarily set under IEEE14 node)