kiejing_v44

说明：  用Matlab实现灰度图像SIFT（尺度不变特征变换）特征点的提取(Grayscale images with Matlab SIFT (Scale Invariant Feature Transform) feature point extraction)

兴趣点检测的matlab 源码，用于动作识别(Matlab source of interest point detection for motion recognition)

迭代生成LDPC码矩阵，初始矩阵为三行三列各元素均为1的矩阵。根据其tranner图依次迭代产生新的矩阵。(structural properties: (1)Each line is composed of p points (2)There is one and only one line between any two points (3)Each point lies on b lines (4)Any pair of lines has at most one common point )

图像的thin代码，用MATLAB实现，简单易用.(Images of thin code, use MATLAB to achieve, easy to use.)

对信号的奇异性检测.检测第一类间断点matlab中的一个一维信号（freqbrk.dat）含有突变点，对其进行检测(Singularity detection of signal detection of the first class discontinuity points matlab in a one-dimensional signal (freqbrk.dat) containing the mutation point, its detection)

音频处理要用到的几个函数，包括A率压缩，u率的，以及其附属的傅里叶变换、滤波等等，总之包含了一个音频信号简单处理的大部分程序(Audio processing functions )

Two DoF Mass and Spring System_Matlab Simulink

说明：  IEEE33节点的并网多种分布式发电可直接运行(Ieee33 grid connected distributed generation can run directly)

newton rophson power flow

平面阵的方向图程序 16*16元面阵的指向性图(Planar array pattern program 16* 16 per plane array directivity)