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How to substract baseline from signals

Page d'accueil ' Communauté ' FPScript ' Comment soustraire la ligne de base des signaux

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  • Auteur
    Messages
  • #33292
    Yee Yan Tay
    Participant

    Hi, i am getting some raman spectroscopy signal,i only found baseline in curve fitting, but is there standalone function to do that. This is because i would like to create a baseline for the background signal and substract it. Will the lowerenvelope function or the spline function helps?

    #33294
    Yee Yan Tay
    Participant

    Hi, i am getting some raman spectroscopy signal,i only found baseline in curve fitting, but is there standalone function to do that. This is because i would like to create a baseline for the background signal and substract it. Will the lowerenvelope function or the spline function helps?

    #33293
    Bernhard Kantz
    Participant

    You can use the [b]Approximation Analysis Object[/b] with the intial function C + X. After that you can subtract the result from the signal.
    Example:
    [code]
    Dim _c = Approximation(Signal, APPROX_C + APPROX_X)
    Dim approx = Signal(_c[0] + _c[1] * (Signal.X), Signal.X)
    Signal – approx
    [/code]

    support@weisang.com

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