Based-on-HHT-power-quality

说明：  长周期光栅的仿真程序，计算反射谱与透射谱！(Long period grating)

SUSAN算法 角点提取算法 matlab(SUSAN code matlab)

数字识别，通过matlab对0-9几各简单的数字进行识别(Digital identification)

利用OFDM系统的虚拟子载波技术来进行盲信道估计(OFDM systems using virtual subcarriers technologies for blind channel estimation)

距离保护傅里叶模型相间阻抗算法 使用图基滤波器 控制阻抗轨迹显示范围 在阻抗平面画出阻抗圆特性、整定阻抗直线特性和短路阻抗轨迹( Impedance phase distance protection Fourier model-based filter algorithm control using the map display range impedance locus in the impedance circle characteristic impedance plane plot, setting characteristics and short-circuit impedance line impedance locus)

图象处理的matlab程序集，包括角点检测，边缘连接，高通滤波器，低通滤波器等等。(image processing procedures of Matlab scripts, including corner detection, edge connectivity, high-pass filter, Low-pass filter, and so on.)

常用的MATLAB插值算法，包括高斯，牛顿插值等等(Interpolation algorithm commonly used)

SAR 回波仿真及成像处理，包括RDA 算法仿真、RMA 算法仿真、CSA 算法仿真(SAR echo simulation and imaging processing, including RDA algorithm simulation, RMA algorithm simulation, CSA algorithm simulation)

The following code implements a kernel Wiener Filter algorithm in MATLAB. The algorithm dependes on the eigenvalue decomposition, thus only a few thousand of data samples for training dataset is applicable so far.

Pearson s correlation coefficient between two variables is defined as the covariance of the two variables divided by the product of their standard deviations