k_means

对leach协议的改进，改变产生簇头的方式，距离bs越近，成为簇头的概率就越大。(Improvement on the leach protocol to change the way the cluster head generated from the bs the more recent, as the greater the probability of cluster head.)

说明：  BP神经网络实现数据分类，实现语音特征信号的分类(BP network realize voice feature classification )

利用matlab进行信号处理的几个例子，简洁明了，十分实用(examples about signal processing using matlab)

image proceesing packet no1

本资料较为详细的讲解了matlab的功能，可为学习运用matlab软件进行编程的同学提供帮助。(This information is a more detailed explanation of the matlab function, can help to learn to use matlab software programming students.)

说明：  随机信号分析实验 （1）产生N（0,1）正态分布的随机过程； （2）产生正态分布随机过程外的任意一种随机过程； （3）对随机过程的性能进行评估，包括概率密度函数、分布函数、均值、方差和相关函数。((1) The stochastic process of generating N(0,1) normal distribution; (2) generating any random process outside the normal distribution random process; (3) evaluate the performance of random process, including probability density function, distribution function, mean value, variance and correlation function.)

这个题目是利用人工神经网络实现对数字调制信号的识别，建立BP网络，并用matlab编程实现仿真。(This topic is the use of artificial neural network to realize the identification of digital modulation signal, the establishment of BP network, and realize simulation matlab programming.)

histogram on color image ... .. so ..

数控机床DDA直线插补源代码程序，可以实现4个象限的直线插补，步长可变(CNC machine tools DDA linear interpolation source code program, you can achieve a linear interpolation of the four quadrants, step variable)

example of use DFT 2D in a gray image by matlab