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GLS: Generalized Lomb-Scargle periodogram

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Ada Coda
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GLS: Generalized Lomb-Scargle periodogram

Postby Ada Coda » Thu Jul 26, 2018 10:35 pm

GLS: Generalized Lomb-Scargle periodogram

Abstract: The Lomb-Scargle periodogram is a common tool in the frequency analysis of unequally spaced data equivalent to least-squares fitting of sine waves. GLS is a solution for the generalization to a full sine wave fit, including an offset and weights (χ2 fitting). Compared to the Lomb-Scargle periodogram, GLS is superior as it provides more accurate frequencies, is less susceptible to aliasing, and gives a much better determination of the spectral intensity.

Credit: Zechmeister, Mathias; Kürster, M

Site: http://www.astro.physik.uni-goettingen. ... er/gls.php
http://adsabs.harvard.edu/abs/2009A%26A...496..577Z

Bibcode: 2018ascl.soft07019Z

ID: ascl:1807.019

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