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    文件類型: .m
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    發(fā)布日期: 2021-05-14
  • 語言: Matlab
  • 標(biāo)簽: RBF??MATLAB??

資源簡介

RBF模型預(yù)測程序,matlab代碼,可根據(jù)自己需要進(jìn)行參數(shù)修改

資源截圖

代碼片段和文件信息

%小波包分解后RBF預(yù)測
%clc
clear
close?all

%---------------------------------------------------
%?產(chǎn)生訓(xùn)練樣本與測試樣本
clear?all;
clc;
n=4;
wpname=‘db8‘;

m=34;
b1=[];
a1=zeros(116);
E1=zeros(116);
for?i1=1:m
%?????mid=fopen(‘E:\研究生\機(jī)車軸承數(shù)據(jù)\株洲滾動軸承故障數(shù)據(jù)\株洲測試200509二進(jìn)制全部\050927-174712_12.BIN‘‘r‘);
%?????s=fread(mid‘single‘);?
%?fs=200;
%?sj?=?load(‘G:\數(shù)據(jù)\ASCE數(shù)據(jù)整理\二期數(shù)據(jù)\data\Shaker\Random\shm03s‘);
%?data1=sj.dasy.DA02(1:3000:)‘;
%?t=(1:length(data1))/(fs/2);
%?figure(1)
%?plot(tdata1‘b‘)
%?xlabel(‘時間?t/s‘);
%?ylabel(‘幅值?A‘);
%?%?title(‘原始數(shù)據(jù)‘);
%?f=calculatef(data1fs);
%?%?t=(1:length(data1))/fs;
%?sf=f(1:);
%?data=sf;
%?figure(2)
%?plot(data‘b‘)
%?xlabel(‘?dāng)?shù)據(jù)點(diǎn)‘);
%?ylabel(‘頻率?f/Hz‘);
%?????fclose(mid);
????year=‘2004‘;
????month=‘03‘;
????day=‘04‘;
????hour=‘09‘;
????minite=‘27‘;
????second=‘46‘;
????pathx=‘D:\論文\論文參考資料\nasa\bearing_IMS\3rd_test\4th_test\txt\‘;
????filename0=[year‘.‘month‘.‘day‘.‘hour‘.‘minite‘.‘second];
????filename=[pathxfilename0];
????x0=load(filename);
????w1=load(filename);??
????y11=w1(::);
%?????w1=load(‘C:\Users\Administrator\Desktop\幾種算法\ccec_data\12k_Fan_End_Bearing_Fault_data\B007_0.mat‘);
%?????y11=w1.X118_DE_time;
%?????yy=fft1(y11);
%?????plot(yy)
%?????y21=w1.X118_FE_time;
%?????y31=w1.X118_BA_time;
????y11=y11((600*i1-599):(600*i1));
????Data1=y11-mean(y11);
????Data1=detrend(Data1);
%?????T?=?wpdec(Data4‘sym4‘);
%?????E?=?wenergy(T);
????wpt1=wpdec(Data1nwpname);?%對數(shù)據(jù)進(jìn)行小波包分解
????for?j1=1:2^n?%wpcoef(wpt1[ni-1])是求第n層第i個節(jié)點(diǎn)的系數(shù)
????E1(j1)=norm(wpcoef(wpt1[nj1-1])2);%求第i個節(jié)點(diǎn)的范數(shù)平方,其實(shí)也就是平方和
????end
????%?disp(‘每個節(jié)點(diǎn)的能量E(i)‘);
????%?E
????%?disp(‘小波包分解總能量E_total‘);
????E_total1=sum(E1);?%求總能量
????for?k1=1:2^n
????a1(k1)=?E1(k1)/E_total1;%求每個節(jié)點(diǎn)的概率
????end
%?????a=[1a];
????b1=[b1;a1];??
end
%?[x1y1]=size(b1);
save?b1?b1
B=reshape(b1.‘1544);
%?B=reshape(b1.‘1?15000);
input1=[];
output1=[];
for

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