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javiupm
Spain
2 Posts |
 Posted - 04/15/2014 : 07:02:08 AM
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Origin Ver. and Service Release: Origin Pro 8 SR0
Operating System: Windows Vista
Hi everyone, good Easter to all of you.
I've been doing SG smoothing for a while in Origin, but recently I've created a Virtual Instrument to do that (directly to measurement files) and I don't get the same results.
I noticed that in origin, "points of window" means all the points used in calculations (sometimes means "side points, the "p" in "2p+1", like in labview), am I right?, but this number should be odd (=2*p+1) and the origin slide allows even numbers.
Is it taking an asymmetric window? |
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jasonzhao
China
262 Posts |
Posted - 04/17/2014 : 9:41:35 PM
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Your understanding is right, "points of window" means all the points used in calculations.
Origin slide allows even numbers. However, the even number will be add 1 before calculation, and then a symmetric window is obtained.
Best regards,
Jason Zhao
OriginLab Tech Service
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javiupm
Spain
2 Posts |
Posted - 04/18/2014 : 05:17:39 AM
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ok,... now it seems obvious.
Thank you very much Jason.
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Savitzky-Golay