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T O P I C    R E V I E W
Keya Layek Posted - 07/25/2017 : 02:09:27 AM
OriginPro 8 SR4, V8.0951
Operating System: Windows8
I have a XRD plot with multiple peaks. Please tell me how to calculate the FWHM of all these peaks in OriginPro 8SR4 using Gaussian Fit?
1   L A T E S T    R E P L I E S    (Newest First)
Shirley_GZ Posted - 07/25/2017 : 02:47:41 AM
Hi Keya,

Two approaches here:

1) Use NLFit dialog to fit multiple peaks with replicas to get the FWHM values.
http://www.originlab.com/doc/Origin-Help/Fit-MultiPeak-Replica

2) Use Peak Analyzer to find peaks and then fit them with Gaussian function to get the FWHM values.
http://www.originlab.com/doc/Origin-Help/PeakAnalyzer-QS#Peak_Fitting

Please note, all these two help pages are newest for Origin 2017 SR2. Some options might be not available in your Origin 8.0. Anyway, you can always download the trial to have a try:
http://www.originlab.com/demodownload.aspx

Thanks,
Shirley


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