Modelling of countermeasures for AFV protection against IR SACLOS systems

R. Walmsley; B. Butters; R. Ayling; M. Richardson

doi:10.1117/12.629443

3 November 2005 Modelling of countermeasures for AFV protection against IR SACLOS systems

R. Walmsley, B. Butters, R. Ayling, M. Richardson

Proceedings Volume 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II; 59890C (2005) https://doi.org/10.1117/12.629443
Event: European Symposium on Optics and Photonics for Defence and Security, 2005, Bruges, Belgium

Abstract

Countermeasures consisting of obscurants and decoys can be used separately or in combination in attempting to defeat an attack on an Armoured Fighting Vehicle (AFV) by an IR SACLOS missile system. The engagement can occur over a wide range of conditions of wind speed, wind direction and the AFV route relative to the SACLOS firing post. The countermeasures need to be evaluated over the full set of conditions. Simulation with a man in the loop can be expensive and very time consuming. Without using a man in the loop, a fully computer based simulation can be used to identify the scenarios in which defeat of the SACLOS system may be possible. These instances can be examined in more detail using the same simulation application or by using the conditions in a more detailed modelling and simulation facility. An IR imaging tracker is used instead of the man in the loop to simulate the SACLOS operator. The missile is guided onto the target by either the clear view of the AFV or by the AFV position predicted by the tracker while the AFV is obscured. The modelled scenarios feature a typical AFV modelled as a 3D object with a nominal 8 -12 μm signature. The modelled obscurant munitions are hypothetical but based on achievable designs based on current obscurant material performance and dissemination methods. Some general results and conclusions about the method are presented with a view of further work and the use of decoys with the obscurant to present a reappearing alternative target.

Citation Download Citation

R. Walmsley, B. Butters, R. Ayling, and M. Richardson "Modelling of countermeasures for AFV protection against IR SACLOS systems", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 59890C (3 November 2005); https://doi.org/10.1117/12.629443

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KEYWORDS

Missiles

Imaging systems

Image processing

3D modeling

Clouds

Infrared imaging

Thermography

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