The Wideband Infrared Scene Projector (WISP) was developed to project dynamic, detailed scenes to imaging infrared (IR) missile seekers. However, the vast majority of IR seekers currently in inventory are nonimaging and pseudo-imaging reticle-based seekers. Air Force Research Laboratory's (AFRL) Dynamic Infrared Missile Evaluator (DIME) Facility is interested in the response of these conventional seekers to detailed IR scenes, as would be encountered in the final phase of a missile engagement. Conventional seekers have different scene projection requirements than the imaging seekers for which the WISP was designed. To assess the applicability of an IR scene projector for testing conventional seekers, DIME Facility personnel used two reticle-based seekers to measure spatial and temporal characteristics of the WISP. A description of the testing performed and the results obtained are presented in this paper.
The introduction of spatial, spectral and temporal discrimination in IR seekers has greatly increased the level of sophistication required of hardware-in-the-loop test facilities. In the long term, IR scene projectors offer promise of meeting many of these requirements. However, Wright Laboratory's Dynamic Infrared Missile Evaluator (DIME) Facility has ongoing requirements to evaluate state- of-the-art IR seekers. This paper describes reliable and effective techniques integrated into the DIME to meet current requirements for testing seekers with spatial, spectral and temporal discrimination capabilities.
Wright Laboratory's Dynamic Infrared Missile Evaluator (DIME) Facility has been performing hardware-in-the-loop (HWIL) infrared seeker exploitation and countermeasures development for over thirty years. A unique feature of this facility is the close integration of hardware exploitation, computer simulation, and HWIL testing, which facilitates feedback between predicted and actual seeker performance. This paper provides an introduction to the DIME Facility's HWIL testing approach and capabilities.
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