用matlab实现EM算法，聚类分析。

matlab中如果需要更改对话窗口的图标，则需要自己在程序中加入代码，文件包括3个窗口的图标更改程序。(matlab dialog window, if you need to change the icon, you will need to add your own in the program code, files including three windows icons change the program.)

Code for all matlab users

根据图的邻接矩阵判断图的连通性并计算图的分块数(To determine the connectivity of the graph and computing graph blocks according to the adjacency matrix)

MATLAB的基础应用及粗糙集理论的基础知识（PDF）(The basis of MATLAB applications and rough set theory based on knowledge (PDF))

说明：  做生成数(使用0.1做因子),之后13年的数据按统计方法标准化后输入,训练,仿真,对比结果。这个过程相当于插值计算(Generated to do a few (make use of 0.1 factor), after 13 years of data input after the standardization of statistical methods, training, simulation, comparing the results. This process is equivalent to interpolation calculation)

涉及12种copula的估计，以及模型的比较(Estimates of 12 kinds of copula, and comparison of the models)

说明：  通过matlab实现高斯回归功能，实现对目标函数的预测，希望对大家有所帮助(Through MATLAB to achieve Gaussian regression function, to achieve the prediction of the objective function, I hope to help you)

能量检测法是一种比较简单的信号检测方法[1]， 属于信号的非相干的检测， 直接对时域信号采样值求模，然后平方即可得到；或利用FFT转换到频域，然后对频域信号求模平方也可得到。它无需知道检测信号的任何先验知识，对信号类型也不作限制。 实际上，能量检测是在一定频带范围内作能量积累，如果积累的能量高于一 定的门限，则说明信号的存在；如果低于一定的门限，则说明仅有噪声。能量检 测的出发点是信号加噪声的能量大于噪声的能量。能量检测方法对信号没有作任何假设，是一种盲检算法。 此代码“利用FFT转换到频域，然后对频域信号求模平方”方法来实现对用户的检测。(In fact, energy detection is used for energy accumulation in a certain frequency range. If the accumulated energy is higher than a certain threshold, the existence of the signal is indicated. If the threshold is lower than the threshold, then only noise is indicated. The starting point of energy detection is that the energy of signal plus noise is greater than that of noise. The energy detection method does not make any assumptions about the signal, and it is a blind detection algorithm. This code "converts the frequency domain into the frequency domain by FFT, then calculates the square of the square of the frequency domain signal" to realize the detection of the user.)

实现了一个小球自由落体碰撞地面并弹跳的过程，设置了一个碰撞衰减系数c,可以自己调整衰减速度。(The process of collision and bounce of a small sphere falling freely on the ground is realized. A collision attenuation coefficient C is set to adjust the attenuation speed by itself.)

high gain microstrib antenna