Battlefield emission and multiple scattering (BEAMS): a 3D inhomogeneous radiative transfer model

Donald W. Hoock Jr.; John C. Giever; Sean G. O'Brien

doi:10.1117/12.151049

13 August 1993 Battlefield emission and multiple scattering (BEAMS): a 3D inhomogeneous radiative transfer model

Donald W. Hoock Jr., John C. Giever, Sean G. O'Brien

Proceedings Volume 1967, Characterization, Propagation, and Simulation of Sources and Backgrounds III; (1993) https://doi.org/10.1117/12.151049
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The Battlefield Emission and Multiple Scattering (BEAMS) model computes the diffuse radiance fields in 3-dimensional clouds having spatially inhomogeneous concentrations and optical properties. The technique employs 26-stream radiative transfer calculations on a regular grid of aerosol concentrations. Incident illumination sources on the cloud include diffuse illumination, direct illumination, and finite width beam illumination. Volume emission effects as well as reflective and cyclic boundary conditions are also supported. The BEAMS model addresses a need for more realistic treatment of spatial fluctuations in aerosol and particulate clouds. Model comparisons are presented against known conditions, and examples are given of applications to modeling the spatial variability induced in background contrast and scene visualization.

Citation Download Citation

Donald W. Hoock Jr., John C. Giever, and Sean G. O'Brien "Battlefield emission and multiple scattering (BEAMS): a 3D inhomogeneous radiative transfer model", Proc. SPIE 1967, Characterization, Propagation, and Simulation of Sources and Backgrounds III, (13 August 1993); https://doi.org/10.1117/12.151049

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