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ofdm系统的简单仿真，基于matlab环境，可以借此更好的理解ofdm传输原理(simple simulation ofdm systems, based on the matlab environment, can take a better understanding of the principle of ofdm transmission)

说明：  模式识别PCA(principle component analysis)源码.matlab 格式。PCA为经典而且经常使用的算法。(pattern recognition PCA (principle component analysis) source. Matlab format. PCA to the classic and often use the algorithm.)

高阶谱工具箱 Version 2.0.3 (R12 compliant) 27 Dec 2000(Higher-Order Spectral Analysis (HOSA) Toolbox. Version 2.0.3 (R12 compliant) 27 Dec 2000)

16 QAM误码曲线仿真,运用Matlab语言(16 QAM BER curve simulation ,based on MATLAB)

射线追踪方法，求取地震射线在水平多层介质中传播路径。在此基础上合成地震记录，并进行动校正。(Ray tracing method, obtaining seismic ray propagation path in a horizontal multi-media. Synthetic seismograms On this basis, and thus the correction action.)

这是fskd频率调制的matlab代码程序，可以验证调制的效果。(fskd)

this s very useful,quad2dggen.rar

用交替方向乘子法来求解L1正则化问题、BP问题、BPDN问题的一种算法(An algorithm for solving the L1 regularized problem, BP issue BPDN problem with alternating direction multiplier method)

图像拼接的matlab代码，亲自调试过，中文注释详细，易懂，好用，初学者更加值得看看(Image splicing of matlab code, and debugged in person, Chinese annotation in detail, and easy to understand and use, the beginner is more worth to see)

计算条件熵，可以用来计算在某种条件下的条件熵的数值(we can use it to calculate the conditional entropy)