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Proceedings Paper

Inversion algorithm on rainbow measurement in gas-liquid flow
Author(s): Qi Pan; Shimin Wang
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Paper Abstract

A inverse algorithm of rainbow detection was presented that permits one to get simultaneously the refractive index and size of droplet under low Signal-to-Noise Ratio (SNR) condition. The noise was removed based on Empirical Mode Decomposition (EMD) and feature points extraction technique. The parameters inversed according to a new built mathematic model and Debye theory. A numerical test and an experiment were taken to validate the algorithm. It is showed that the method greatly improves the accuracy of parameter inversion.

Paper Details

Date Published: 28 August 2009
PDF: 7 pages
Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73752T (28 August 2009); doi: 10.1117/12.839230
Show Author Affiliations
Qi Pan, Southeast Univ. (China)
Shimin Wang, Southeast Univ. (China)


Published in SPIE Proceedings Vol. 7375:
ICEM 2008: International Conference on Experimental Mechanics 2008
Xiaoyuan He; Huimin Xie; YiLan Kang, Editor(s)

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