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Tuan Khai
Vietnam
1 Posts |
 Posted - 07/03/2013 : 04:28:06 AM
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Hello all,
I am a new member of Origin forum. Nice to see all of you :)
I have a question like this: In Genie2K, CANBERRA Inc., or Colegram, National Henry Bequerel Lab., (both are professional softwares for Nuclear spectrum analysis), the background, when we make a Gaussian fitting, can be fixed as a step function.
In Origin software, is is possible to fit a Gaussian peak of multi Gaussian peak with a step-function-background?
Thanx a lot.
Tuan Khai Bui
Technician
Nuclear Techniques Lab.
University of Science - HCM city, Vietnam |
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Kathy_Wang
China
159 Posts |
Posted - 07/03/2013 : 11:50:36 PM
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Hi,
Generally speaking,if you have OriginPro 8.0 or above, you can fit a peak with baseline(i.e. background) in the peak analyzer tool. The baseline can be either an existing dataset, or user-defined from anchor points(and you can fit baseline with built-in or user-defined fitting functions).
The Peak Analyzer can be opened from Analysis:Peaks and Baseline:Peak Analyzer. In order to learn how to use the tool, you can press F1 when the tool is opened to open the corresponding documentation CHM. Or refer to this online help file.
Kathy
Originlab |
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Background function