DOA

KPCA的matlab代码，经过验证，可以用的代码(matlab code for KPCA,it can be used)

优权的傅立叶变换和最大信噪比准则方向图和功率谱，自己编写，仅供参考(Pattern and power spectrum of the Fourier transform of the privilege and the maximum signal-to-noise ratio guidelines written for reference only)

根据别人小波边缘检测，修改的一个实现纹理方向检测，可以自行设置方向数(Under the others Wavelet Edge Detection, modify a texture direction detection, set the direction of the number of self-)

DOA估计，两个自编的MUSIC波束形成的算法 MN_music_doa root_music(DOA estimation, the two self MUSIC beamforming algorithm MN_music_doa root_music)

说明：  图像压缩去噪增强锐化程序，供大家参考。 包括：数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理-(Sharpen Image Compression Denoising enhanced procedures for your reference. Include: digital image data display matrix and its Fourier transform two-dimensional discrete cosine transform image compression method using gray-scale transformation of the contrast-enhanced images using two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering using MATLAB The function affected by noise interference filter2 images mean filter Adaptive Image Filtering Wehner use five kinds of different gradient method to enhance image sharpening images of high-pass filtering and mask treatment using Butterworth (Butterworth) low pass filter noise by smoothing the images deal with the use of Butterworth (Butterworth) high-pass filter for sharpening images treatment)

说明：  直流微电网中常用的DC/DC变换器仿真模型，可以作Buck变换器，也可以作Boost变换器。(The simulation model of DC / DC converter commonly used in DC microgrid can be used as buck converter or boost converter.)

说明：  simulink控制系统模拟,关于信号的采集(simulation of simulink's control)

LDPC码编译码源程序，可生成任意非规则二进制校验矩阵，并可进行LLR BP译码(LDPC codec source code can be generated non-arbitrary rules binary check matrix, LLR BP decoding can be carried out)

a function to calculate Curvature in 2D curve

YEE+FDTD原代码，非常实用，有参考价值(YEE+ FDTD source code, very useful, have reference value)