Modelling a man-portable air-defence (MANPAD) system with a conical scan two-colour infrared (IR) seeker

James Jackman; Mark Richardson; Brian Butters; Roy Walmsley

doi:10.1117/12.897118

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6 October 2011 Modelling a man-portable air-defence (MANPAD) system with a conical scan two-colour infrared (IR) seeker

James Jackman, Mark Richardson, Brian Butters, Roy Walmsley

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Proceedings Volume 8187, Technologies for Optical Countermeasures VIII; 81870S (2011) https://doi.org/10.1117/12.897118
Event: SPIE Security + Defence, 2011, Prague, Czech Republic

Abstract

The use of flares of flares against 1st and 2nd generation man-portable air-defence (MANPAD) systems proved to be very effective. This naturally led to the development of counter-countermeasures (CCM) that could be incorporated into the MANPADs infrared (IR) seeker. One possible CCM is two-colour where the seeker detects in two separate IR bands. It is designed to exploit the different spectral characteristics of the target and flare. In this paper we describe the modelling process of a two-colour conical scan (conscan) IR seeker using CounterSim, a missile engagement and countermeasure simulation software tool developed by Chemring Countermeasures Ltd. It starts by explaining the signal processing needed to be able to reject the flare and track the target. The MANPAD model is then used in an engagement with a fast jet model and a transport aircraft model. Flares are first deployed reactively then released throughout an engagement to investigate the effect of flare release time and the viability of pre-emptive countermeasures.

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James Jackman, Mark Richardson, Brian Butters, and Roy Walmsley "Modelling a man-portable air-defence (MANPAD) system with a conical scan two-colour infrared (IR) seeker", Proc. SPIE 8187, Technologies for Optical Countermeasures VIII, 81870S (6 October 2011); https://doi.org/10.1117/12.897118

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