match_filter

this program calculates poisson equation

一个主成分分析方法的matlab实现，比较经典齐全的源码(A matlab Implementation of principal component analysis)

A Cover Tree is a datastructure helpful in calculating the nearest neighbor of points given only a metric.

Hamming code in matlab.

一种基于能量的LEACH改进算法，可以运行并画出存活节点个数随仿真轮数的变化(A LEACH improvement algorithm based on energy, you can run and draw the number of survival nodes with changes in the simulation rounds)

matlab 实验wewqdeqwdwqd(matlab test ssx csacs)

自己用matlab编写的滤波反投影重建程序，分别用空域卷积和频域乘积两种方式编写，滤波函数可以选择S_L或者R_L函数( filtered back projection reconstruction program, write in two types: airspace and frequency domain convolution , filter function can be selected R_L or S_L)

实现了msk的调制解调，测试过的，绝对好用(Msk modulation and demodulation implemented, tested, and absolutely easy to use)

文件包括：1.计算平均最短路径；2.计算每个顶点相邻节点的平均度；3.计算每个节点的邻近中心度；4.计算节点的介数（slow）；5.计算节点的介数（faster）；6.计算每条边的介数值；7.快速迪杰斯特拉算法；8.经典迪杰斯特拉算法。(1.the average shortest path in the graph 2.the average degree of neighboring nodes for every vertex 3.computes the closeness centrality for all vertices 4.node betweenness, (number of shortest paths definition) 5.a faster node betweenness algorithm 6.edge betweenness, (number of shortest paths definition) 7.simple Dijkstra, does not remember the path 8.Dijkstra which also returns the shortest paths.)

说明：  利用自相关函数进行数据同步，解决了盲同步不准确的情况(use of the correlation function for data synchronization, a blind solution is not accurate synchronization of)