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Data collection and preliminary results on turbulence characterisation and mitigation techniques
Author(s): M. -T. Velluet; C. Bell; J. -F. Daigle; J. Dijk; S. Gladysz; A. Kanaev; A. Lambert; D. Lemaster; G. Potvin; M. Vorontsov
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Paper Abstract

In the framework of NATO task group SET 226 on turbulence mitigation techniques for OA systems, a trial was conducted in the premises of RDDC-Valcartier, using indoor and outdoor facilities in September 2016. Images data sets were collected under various turbulence conditions, both controllable (indoor) and natural (outdoor). The imagery of this trial was used in the Grand Challenge, where different experts were asked to process identical input data with state-of-the-art algorithms. The trial also provided a data-base to validate theoretical and numerical models. The paper will give an overview of the experiment set-up (target, sensors, turbulence screens generators…) and present some preliminary results obtained with the collected data in terms of effectiveness of image processing techniques, new methods for turbulence characterisation, modelling of laser beam propagation.

Paper Details

Date Published: 9 October 2019
PDF: 12 pages
Proc. SPIE 11159, Electro-Optical and Infrared Systems: Technology and Applications XVI, 111590Q (9 October 2019); doi: 10.1117/12.2533821
Show Author Affiliations
M. -T. Velluet, ONERA, The French Aerospace Lab. (France)
C. Bell, Dstl Fort Halstead (United Kingdom)
J. -F. Daigle, DRDC - Valcartier Research Ctr. (Canada)
J. Dijk, TNO (Netherlands)
S. Gladysz, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (Germany)
A. Kanaev, NRL (United States)
A. Lambert, UNSW Canberra (Australia)
D. Lemaster, Air Force Research Lab. (United States)
G. Potvin, DRDC - Valcartier Research Ctr. (Canada)
M. Vorontsov, Univ. of Dayton (United States)


Published in SPIE Proceedings Vol. 11159:
Electro-Optical and Infrared Systems: Technology and Applications XVI
Duncan L. Hickman; Helge Bürsing, Editor(s)

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