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Face Recognition Based on Polar Frequency Features

说明：  一维信号BP重构算法，先生成稀疏度为K的稀疏矩阵，再加入高斯白噪声进行算法重构以及质量衡量。(BP signal reconstruction algorithm for one dimensional, Mr. into sparse matrix sparsity of K, then the Gauss white noise and measure the quality of reconstruction algorithm.)

计算两个日期的和或差，以及计算一个日期和一个天数的和或差，(Calculate two dates and or poor, and to calculate a date and a number of days and or poor,)

本程序是有关泊松过程的模拟、检验及参数估计(This procedure is related to Poisson process of simulation, test and parameter estimation)

This code is used for find the Spectral magnitude error....and Spectral phase error....

逆变器具有灵活、高效的特点，是新能源并网的主要接口。当多个逆变器连接到电网的同一个公共连接点时，逆变器非理想的电源特性，使得逆变器之间、逆变器与电网之间存在的谐波交互作用可能引发谐振， 使系统出现过电压、 过电流现象影响电网的电能质量，甚至威胁系统的安全稳定运行(Inverter is flexible and efficient, and it is the main interface of new energy integration. When multiple inverters are connected to the same common connection point of the power grid, the inverter is not ideal. The harmonic interaction between the inverters, the inverter and the grid may cause resonance, which causes the overvoltage and overcurrent to affect the power quality of the power grid and even threatens the safety of the system. stable operation)

本文件含有关于matlab学习的资料，适用于初学者(This document contains information on learning matlab for beginners)

聚类算法，有详细的解释说明，是MATLAB编程。(Clustering algorithm, a detailed explanation, is the MATLAB programming. )

2013数学建模研究生B题建立多项式模型代码(2013 graduate of mathematical modeling to establish polynomial model code B title)

les 4 algorithmes standards de localisation en matlab