SAAM(IR): Passive Infrared Homing Surface-to-Air and Air-to-Air MissilesAn integrated engagement simulation between one or two passive infrared homing surface-to-air or air-to-air missiles and a target aircraft. The aircraft can use up to four manoeuvres in azimuth and/or elevation to defend itself along with infrared flares, an on-board infrared jammer (Omni-directional or DIRCM) and a towed IR decoy. The target aircraft can be fixed or rotary winged and configured with 1, 2 or 4 engines. The infrared aircraft signatures are user entered radiant intensity profiles for each source based on wavelength and aspect angle. The missile’s infrared homing seeker model supports generations 1, 2 and 3 with spin scan, conscan, rosette and four-detector array angle tracking and spiral and rosette search techniques. The missile seeker also includes selectable one or two color discrimination; its missile guidance is by proportional navigation autopilot. The propagation environment includes user-defined IR attenuation characteristics which may be MODTRAN generated, and background radiant intensity signature. The IR jammer employs swept amplitude modulation techniques. All electronic countermeasures can be employed individually or in combination against all search, acquisition and track modes of the missile seeker.
SAAM(IIR): PASSIVE IMAGING INFRARED HOMING SURFACE-TO-AIR AND AIR-TO-AIR MISSILES
SAAM(IIR) is a physics-based simulator designed to evaluate and assess the effectiveness of infrared (IR) countermeasures (IRCM) against the latest generation of imaging IR seekers. The simulator models the closed-loop engagement and interactions between a maneuvering aerial target platform (fixed or rotary wing) equipped with IR flares (standard, propelled and distributed) and a laser-based Directional Infrared Countermeasure (DIRCM) system as self-protection against up to two surface or air launched imaging IR guided missiles.The DIRCM defeat mechanisms include dazzling, saturation and permanent seeker detector damage. The aircraft’s IR signature is user-defined by either specifying a radiant intensity profile for each source (fuselage and up to four engines) as a function of wavelength and aspect angle or by specifying individual/group surface properties (temperature, emissivity) of a 3D model. The missile’s imaging IR seeker supports generic tracking algorithms based on target size, peak power, total power and average centroid location. The missile includes a user-selectable one or two color seeker with proportional navigation guidance system. Customizable IR counter-countermeasures (IRCCM) algorithms such as two-color discrimination, intensity ratio change and line-of-sight (LOS) rate change are built-in to the imaging seeker model. The propagation environment includes user-defined IR attenuation characteristics and background radiant intensity signature, which can be imported from a third party package such as MODTRAN. The IRCMs can be employed against all search, acquisition and track modes of the missile seeker.
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