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

G. J. Kunz; A. M. J. van Eijk; D. Tsintikidis; S. M. Hammel

doi:10.1117/12.614884

14 September 2005 Effects of atmospheric refraction and turbulence on long-range IR imaging in the marine surface layer: comparisons between experiment and simulation

G. J. Kunz; A. M. J. van Eijk; D. Tsintikidis; S. M. Hammel

Author Affiliations +

Proceedings Volume 5891, Atmospheric Optical Modeling, Measurement, and Simulation; 58910A (2005) https://doi.org/10.1117/12.614884
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

G. J. Kunz, A. M. J. van Eijk, D. Tsintikidis, S. M. Hammel, "Effects of atmospheric refraction and turbulence on long-range IR imaging in the marine surface layer: comparisons between experiment and simulation", Proc. SPIE 5891, Atmospheric Optical Modeling, Measurement, and Simulation, 58910A (14 September 2005); doi: 10.1117/12.614884; https://doi.org/10.1117/12.614884

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