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Quadrature Component Analysis for interferometry
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DOI：10.1016/j.optlaseng.2013.01.004.png)
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This work presents a generalization of the Principal Component Analysis (PCA) demodulation approach that is renamed as Quadrature Component Analysis. We show a new and general mathematical analysis of this demodulation algorithm and we demonstrate that this method is not affected by the number of fringes limitation. Additionally, we show that any asynchronous phase-shifting demodulation method is affected by a global phase sign indetermination, if no information is given about the phase-shifts. We have tested the proposed method with simulated and experimental interferograms obtaining satisfactory results. A complete MATLAB software package is provided in [http://goo.gl/JWNUr]. (C) 2013 Elsevier Ltd. All rights reserved.
Keyword:
Phase demodulation
Interferometry
Principal Component Analysis
期刊
IF:
3.7
论文数:
7.3K
被引数:
1.7W
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Analysis of the principal component algorithm in phase-shifting interferometry.png)
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