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to find the discrete fourier transform using the fast fourier algorithm, any sequence of lengths which are multiples of 2 simply append zeros to satisfy this requirement

该matlab程序可以通过网络爬虫抓取网页内容（本程序抓取的是新浪金融的，可以修改成其他的）(The matlab program can crawl web content through web crawlers (the Program crawl Sina finance can be modified into the other))

jpeg compression and expansion :P

说明：  基于matlab运用最小二乘法对信号进行消除趋势项处理以及五点三次平滑法对信号进行平滑处理，消除毛刺等(denoising vibration signal based on matlab)

关于VC++和MATLAB的混合编程之神经网络工具箱 (About VC++ and MATLAB mixed programming of the Neural Network Toolbox)

music 空间平滑算法 应用于空间谱的到达角估计估计(spatial smoothing algorithm is applied to space music spectrum estimated arrival estimation)

this code is for fingerprint thinning

鱼群算法的matlab工具箱，可在matlab中设定路径进行使用(yuqunsuanfa tool for matlab, fish swarm algorithm matlab toolbox)

Matlab的bpsk，可控信噪比仿真系统(Matlab' s bpsk, controllable SNR simulation system)

说明：  交流调速系统仿真模型：SPWM变频调速系统模型-5；方波永磁电动机调速系统-8；交-交变频调速系统模型-3；交流调压调速系统模型-1；交-直-交变频调速模型-4(Simulation model of AC speed regulation system: SPWM Frequency conversion speed regulation system model-5; square wave permanent magnet motor speed regulation system-8; AC-AC frequency conversion speed regulation system model-3; AC voltage regulation speed regulation system model-1; AC-DC-AC frequency conversion speed regulation model-4)