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Proceedings Paper

Global predictions of the optical sensing through turbulence
Author(s): S. Cheinet; K. Weiss-Wrana; Y. Hurtaud; A. Beljaars
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Paper Abstract

Electro-optical sensors are affected by the atmospheric turbulence, as quantified by the refractive index structure parameter. The present study introduces a method to predict the meteorological-scale variations of this quantity near the surface. The predictions are evaluated against long-term scintillometry measurements. The essential aspects of the meteorological variability of the optical turbulence rate are captured. The method is illustrated to provide a global and predictive assessment of the optical turbulence rate. It can also be used to analyze the corresponding climatological distributions. Existing relationships can further be incorporated to form predictions of the mean optical sensing performance.

Paper Details

Date Published: 11 October 2010
PDF: 8 pages
Proc. SPIE 7828, Optics in Atmospheric Propagation and Adaptive Systems XIII, 782806 (11 October 2010); doi: 10.1117/12.864552
Show Author Affiliations
S. Cheinet, Institut Saint-Louis (France)
K. Weiss-Wrana, Direction Générale pour l'Armement (France)
Y. Hurtaud, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (France)
A. Beljaars, European Ctr. for Medium-Range Weather Forecasts (United Kingdom)


Published in SPIE Proceedings Vol. 7828:
Optics in Atmospheric Propagation and Adaptive Systems XIII
Karin Stein; John D. Gonglewski, Editor(s)

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