SHIPIR/NTCS: a naval ship infrared signature countermeasure and threat engagement simulator

David A. Vaitekunas; Karim Alexan; Owen E. Lawrence; Francoise Reid

doi:10.1117/12.243481

27 June 1996 SHIPIR/NTCS: a naval ship infrared signature countermeasure and threat engagement simulator

David A. Vaitekunas, Karim Alexan, Owen E. Lawrence, Francoise Reid

Proceedings Volume 2744, Infrared Technology and Applications XXII; (1996) https://doi.org/10.1117/12.243481
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

An integrated naval infrared target, countermeasure and threat model is presented. The target modeling capabilities include complex 3-D surface geometries, a thermal system model with auto-generated solar heating, sea/air convection, sea/sky radiation and inter-surface radiation, a surface radiance model which accounts for multiple diffuse reflections, observer-to-target atmospheric absorption and path radiance, and an exhaust gas dispersion and IR emission model. The IR images of any number of targets can be rendered simultaneously within a full-hemispherical sea/sky/sun background relative to an observer at a specified altitude, based on the atmospheric radiance, solar irradiance, path radiance and time-average solar sea-glint. Flare countermeasures are added to the scenario through definition of canisters, submunitions, burn characteristics and deployment tactics. The IR missile model has been constructed from a minimum number of parameters to keep the model generic and provide a reasonable estimate of IR susceptibility. The purpose of the model is to provide the tools necessary to develop and assess the effectiveness of infrared signature suppression and infrared countermeasures. A number of analysis methods are provided, including on- screen image analysis, polar signature plots, polar lock-on range and engagement simulation.

Citation Download Citation

David A. Vaitekunas, Karim Alexan, Owen E. Lawrence, and Francoise Reid "SHIPIR/NTCS: a naval ship infrared signature countermeasure and threat engagement simulator", Proc. SPIE 2744, Infrared Technology and Applications XXII, (27 June 1996); https://doi.org/10.1117/12.243481

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