Hvdc_pi

用DB4小波进行多尺度分解，分解级数为6层的降噪程序(DB4 Wavelets )

matlab编程常用的程序范例，有助于日常开发方便，可直接调用。(matlab programming examples of commonly used procedures to help facilitate the daily development, can be called directly.)

matlab求转子系统的临界转速程序源代码(Critical Speed)

针对现场工业数据，实现状态空间模型的递推最小二乘算法的辨识(For on-site industrial data to achieve state-space model identification recursive least squares algorithm)

Harris角点检测，用于图像的匹配等！ 直接运行，没有错误！(Harris corner detection for image matching! Run directly error!)

MUSIC(Multiple Signal Classification)算法是Schmidt在1979年首先提出的，是早期经典的超分辨率DOA估计方法(即超瑞利限的方法)，属特征结构的子空间方法。(MUSIC (Multiple Signal Classification) algorithm is Schmidt first proposed in 1979, is an early classic super-resolution DOA estimation methods (ie, super-Rayleigh limit of the method), is a characteristic structure of the sub-space method.)

说明：  mstlab学习很好的资料，帮助你很快掌握该软件(mstlab learning good information to help you quickly master the software)

以matlab2014a为实验平台实现KD树算法。可以参考。(protect KD tree in matlab 2014 a.)

this code is for k-mean algorithm

说明：  一个bp网络拟合非线性模型的例子，参考了李国勇书中的公式(A bp network nonlinear model fitting example, with reference to the book' s formula Li Guoyong)