EOSPEC: a complementary toolbox for MODTRAN calculations

Denis Dion

doi:10.1117/12.2240641

19 September 2016 EOSPEC: a complementary toolbox for MODTRAN calculations

Denis Dion

Proceedings Volume 9979, Laser Communication and Propagation through the Atmosphere and Oceans V; 99790U (2016) https://doi.org/10.1117/12.2240641
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

For more than a decade, Defence Research and Development Canada (DRDC) has been developing a Library of computer models for the calculations of atmospheric effects on EO-IR sensor performances. The Library, called EOSPEC-LIB (EO-IR Sensor PErformance Computation LIBrary) has been designed as a complement to MODTRAN, the radiative transfer code developed by the Air Force Research Laboratory and Spectral Science Inc. in the USA. The Library comprises modules for the definition of the atmospheric conditions, including aerosols, and provides modules for the calculation of turbulence and fine refraction effects. SMART (Suite for Multi-resolution Atmospheric Radiative Transfer), a key component of EOSPEC, allows one to perform fast computations of transmittances and radiances using MODTRAN through a wide-band correlated-k computational approach. In its most recent version, EOSPEC includes a MODTRAN toolbox whose functions help generate in a format compatible to MODTRAN 5 and 6 atmospheric and aerosol profiles, user-defined refracted optical paths and inputs for configuring the MODTRAN sea radiance (BRDF) model. The paper gives an overall description of the EOSPEC features and capacities. EOSPEC provides augmented capabilities for computations in the lower atmosphere, and for computations in maritime environments.

Conference Presentation

Citation Download Citation

Denis Dion "EOSPEC: a complementary toolbox for MODTRAN calculations", Proc. SPIE 9979, Laser Communication and Propagation through the Atmosphere and Oceans V, 99790U (19 September 2016); https://doi.org/10.1117/12.2240641

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