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Proceedings Paper

Effects of atmospheric refraction and turbulence on long-range IR imaging in the marine surface layer: comparisons between experiment and simulation
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Paper Abstract

EOSTAR, a PC based Windows application, integrates the required modules necessary to calculate the electro-optical sensor performance on the basis of standard meteorological data. The primary output of EOSTAR consists of the synthetic sensor image ("what does the sensor see?") and a coverage diagram ("detection probability versus range"). As part of the EOSTAR validation effort, the refraction and turbulence modules are being evaluated against literature data, similar models and experimental results. It is shown that the EOSTAR model can predict with reasonable success the occurrence of optical turbulence and refraction phenomena such as mirages. The major cause for discrepancies between the various models is attributed to the underlying micrometeorological bulk modules, whereas the sensitivity of the predictions on the values of the meteorological input parameters is held responsible for the discrepancies between model predictions and measurements.

Paper Details

Date Published: 15 September 2005
PDF: 11 pages
Proc. SPIE 5891, Atmospheric Optical Modeling, Measurement, and Simulation, 58910A (15 September 2005); doi: 10.1117/12.614884
Show Author Affiliations
G. J. Kunz, TNO Defence, Security and Safety (Netherlands)
A. M. J. van Eijk, TNO Defence, Security and Safety (Netherlands)
D. Tsintikidis, SPAWAR Systems Ctr., San Diego (United States)
S. M. Hammel, SPAWAR Systems Ctr., San Diego (United States)


Published in SPIE Proceedings Vol. 5891:
Atmospheric Optical Modeling, Measurement, and Simulation
Stephen M. Doss-Hammel; Anton Kohnle, Editor(s)

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