I have a few questions on using the Lomb-Scargle function plomb

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William Scharpf
William Scharpf 2019 年 10 月 16 日
I am trying to use the Lomb-Scargle function, plomb. A few questions.
  • Is it a generalized Lomb-Scargle or just basic? Does it account for a constant offset in the data?
  • Lomb-Scargle does a curve fit to y(t) = a*sin(2*pi*f*t) + b*cos(2*pi*f*t). Your routine produces something like power spectrum ~ 20Log(sqrt(A^2_b^2)). is this correct? Can it report out the "a" and "b" ?
  • How does the 'pd' work? It sometimes give me peaks the exceed 100%. how can that be?
bill

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