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Proceedings Paper

Least-squares fitting of a sinusoidal signal and its Fourier analysis
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Paper Abstract

A least squares procedure to fit irradiance measurements ofa digitalized interferogram data to a sinusoidal function has been described in the literature by Greivenkamp. On the other hand, a general theory of phase stepping algorithms based on Fourier theory has been described by Freischlad and Kouliopoulos. In this paper it is shown that Greivenkamp results for a least squares procedure may be easily obtained from this Fourier theory.

Paper Details

Date Published: 17 July 1996
PDF: 7 pages
Proc. SPIE 2860, Laser Interferometry VIII: Techniques and Analysis, (17 July 1996); doi: 10.1117/12.276339
Show Author Affiliations
Daniel Malacara-Hernandez, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Daniel Malacara-Doblado, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Manuel Servin Guirado, Ctr. de Investigaciones en Optica, A.C. (Mexico)


Published in SPIE Proceedings Vol. 2860:
Laser Interferometry VIII: Techniques and Analysis
Malgorzata Kujawinska; Ryszard J. Pryputniewicz; Mitsuo Takeda, Editor(s)

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