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資源簡(jiǎn)介

對(duì)軸承振動(dòng)信號(hào)進(jìn)行濾波和包絡(luò)頻譜分析,可通過(guò)包絡(luò)譜發(fā)現(xiàn)軸承故障,也可用于其他故障診斷的研究,程序已調(diào)試通過(guò)。

資源截圖

代碼片段和文件信息

%?EMD的Hilbert包絡(luò)解調(diào)
load?2004.02.17.08.02.39;
x1=X2004_02_17_08_02(1:200002);
load?2004.02.19.06.02.39;
x2=X2004_02_19_06_02(1:200002);
y1=x1;
y2=x2;

figure(1)
fs=20000;
N=20000;
t=1/fs:1/fs:N/fs;
plot(t(1:1000)x1(1:1000)‘k‘);
set(gca?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘XLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘YLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
xlabel(‘采樣時(shí)間t/s‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);
ylabel(‘幅值A(chǔ)/g‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);

figure(2)
plot(t(1:1000)y1(1:1000)‘k‘);
set(gca?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘XLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘YLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
xlabel(‘采樣時(shí)間t/s‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);
ylabel(‘幅值A(chǔ)/g‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);

figure(3)
envelope_xqy(y120000);
figure(4)
plot(t(1:1000)x2(1:1000)‘k‘);
set(gca?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘XLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘YLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
xlabel(‘采樣時(shí)間t/s‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);
ylabel(‘幅值A(chǔ)/g‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);

figure(5);
plot(t(1:1000)y2(1:1000)‘k‘);
set(gca?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘XLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
set(get(gca‘YLabel‘)?‘Fontname‘?‘Times?New?Roman‘?‘Fontsize‘?10.5);
xlabel(‘采樣時(shí)間t/s‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);
ylabel(‘幅值A(chǔ)/g‘‘fontsize‘10.5‘Fontname‘?‘方正宋黑簡(jiǎn)體‘);

figure(6);
envelope_xqy(y220000);

?

?
????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????1830??2014-11-25?11:21??bearing_envelope_test.m
?????文件?????????574??2014-11-25?11:15??envelope_xqy.m
?????文件?????????269??2014-10-31?15:51??signal_filter.m

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