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Parzen窗法，由样本求概密估计，例为一维正态分布和双峰均匀分布，内附随机数生成的原理说明。(Parzen window method, by the sample density estimate for estimated Example for one-dimensional normal distribution and bimodal uniform distribution, random number generator containing a description of the principle.)

国外自适应滤波器经典教材ppt，课后习题答案，课程部分代码(Foreign adaptive filter classic textbook ppt, answers to the questions, the course of the code)

电磁暂态计算用EMTP的rule手册，英文版本，中文版翻译不是很好，还是得看英文版(atp emtp rule book ,english version)

本文是有关投影法的matlab程序 给出具体例子说明此方法(This article is about the projection of the matlab program gives concrete examples to illustrate this method)

（一）目的：通过对常用的概率密度函数和分布函数的应用，达到熟练掌握概率密度函数和分布函数调用方法的目的。 （二）任务：对实际的案例进行分析，调用相应概率密度函数和分布函数，使用MATLAB软件计算其结果。 （三）要求：理解概率密度函数和分布函数，能够解决实际问题。 ((A) Purpose: used by the probability density function and distribution function of the application, to master the probability density function and distribution methods of the purpose of function call. (B) tasks: the actual analysis of the case, call the corresponding probability density function and distribution function, the use of MATLAB software to calculate their results. (C) requirements: understanding of the probability density function and distribution function, to solve practical problems.)

this file is about beam forming with adaptive file

INCORPORATION OF D-FACTS DEVICE IN DISTRIBUTION SYSTEM FOR LOSS REDUCTION

K最邻近密度估计技术是一种分类方法，不是聚类方法。 不是最优方法，实践中比较流行。 通俗但不一定易懂的规则是： 1.计算待分类数据和不同类中每一个数据的距离（欧氏或马氏）。 2.选出最小的前K数据个距离，这里用到选择排序法。 3.对比这前K个距离，找出K个数据中包含最多的是那个类的数据，即为待分类数据所在的类。(K nearest neighbor density estimation is a classification method, not a clustering method. It is not the best method, but it is popular in practice. Popular but not necessarily understandable rule is: 1. calculate the distance between the data to be classified and the data in each other (Euclidean or Markov). 2. select the minimum distance from the previous K data, where the choice sorting method is used. 3. compare the previous K distances to find out which K data contains the most data of that class, that is, the class to which the data to be classified is located.)

说明：  调频信号的时-频分析 针对时变信号有很好的效果(When FM signals- frequency analysis for time-varying signal has good results)

说明：  合成孔径雷达成像RD算法源码 ，运行是正确的 对学雷达成像的有用(Synthetic aperture radar imaging algorithm RD-source, running is the right to learn the usefulness of radar imaging)