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PeEn

于 2019-12-27 发布

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说明：排列熵算法是一种动力学突变检测方法，能够方便、准确的定位系统发生突变的时刻，并且对于信号的微小变化具有放大作用(Permutation entropy algorithm is a dynamic mutation detection method, which can easily and accurately locate the moment of system mutation and amplify the small change of signal)

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PeEn.m, 1413 , 2019-09-14

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gbvs
Hi this is a gbvs file. this is a matlab file

2012-04-06 20:49:55下载

积分：1
xiaobosuanfa
采样频率 fs=10000 轴承外环故障信号 fid=fopen( bearingout.dat , r ) 故障 N=1024 xdata=fread(fid,N, int16 ) fclose(fid) xdata=(xdata-mean(xdata))/std(xdata,1) 时域波形 figure(1) plot(1:N,xdata) xlabel( 时间 t/n ) ylabel( 电压 V/v ) db10小波进行4层分解一维小波分解 [c,l] = wavedec(xdata,4, db10 ) 重构第1～4层细节信号 d4 = wrcoef( d ,c,l, db10 ,4) d3 = wrcoef( d ,c,l, db10 ,3) d2 = wrcoef( d ,c,l, db10 ,2) d1 = wrcoef( d ,c,l, db10 ,1) ( Sampling frequency fs = 10000 bearing outer ring fault signal fid = fopen (' bearingout.dat' , ' r' ) failure N = 1024 xdata = fread (fid, N, ' int16' ) fclose (fid ) xdata = (xdata-mean (xdata))/std (xdata, 1) time-domain waveform figure (1) plot (1: N, xdata) xlabel (' Time t/n' ) ylabel ( ' voltage V/v' ) db10 wavelet decomposition 4 layer one-dimensional wavelet decomposition [c, l] = wavedec (xdata, 4, ' db10' ) 1 ~ 4 reconstructed detail signal d4 = wrcoef (' d' , c, l, ' db10' , 4) d3 = wrcoef (' d' , c, l, ' db10' , 3) d2 = wrcoef (' d' , c, l, ' db10' , 2) d1 = wrcoef (' d' , c, l, ' db10' , 1) )

2011-05-21 16:48:36下载

积分：1
neural-network-handouts
神经网络讲义，共八讲，主要讲述了神经网络发展史以及几个经典的人工神经网络(Neural network handouts, a total of eight speakers, mainly about the history of neural networks as well as several classic artificial neural network)

2013-08-19 21:34:09下载

积分：1
Duda_book_patten_recgnition_computer_experiment_Ma
Duda教授出的书《模式分类》课后上机题，Matlab源代码和答案(Professor Duda out of the book 《Pattern Classification》，after-school-on question, Matlab source code and answers)

2010-12-12 16:24:52下载

积分：1
LegendreFit
对已知的数据进行勒让德多项式拟合，并求出计算点的函数值(Fitting the known data with Legendre polynomial and findding the function value at calculated point)

2010-05-06 00:16:12下载

积分：1
CV_improve
基于全局图像信息的图像分割代码。matlab(image segmentation matlab code based on image globle information)

2012-05-12 12:56:27下载

积分：1
dianji
异步电动机的矢量控制异步电动机是一个高阶、非线性、强耦合的多变量系统,使经典的交流电机理论和传统的控制系统分析方法不能完全适用于现代交流调速系统(Asynchronous motor vector controlled induction motor is a high-order, nonlinear, strongly coupled multivariable system, the classic theory of AC motor and control system analysis methods can not be fully applicable to the modern AC variable speed system)

2012-06-02 18:33:47下载

积分：1
Imatlabdocn
关于电磁场中用超松弛法求网格电位位的matlab源代码 (Overrelaxation method using electromagnetic fields demand grid potential bit matlab source code)

2012-09-09 23:17:36下载

积分：1
Tempreture
clustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code toclustering is a code to

2014-12-11 22:51:42下载

积分：1
kexuejisuanqi
科学计算器的matlab程序，完整可运行包括程序和界面( 自动检测语言划词双语对照中文 » 英语<~复制 Scientific calculator matlab procedures, including complete run programs and interfaces )

2014-12-18 18:08:44下载

积分：1

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PeEn

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