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A methodological approach for statistical evaluation of aircraft infrared signature

Author

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  • Lefebvre, Sidonie
  • Roblin, Antoine
  • Varet, Suzanne
  • Durand, Gérard

Abstract

Existing computer simulations of aircraft infrared signature do not account for the dispersion induced by uncertainty on input data such as aspect angles and meteorological conditions. As a result, they are of little use to estimate the detection performance of optronics systems: in that case, the scenario encompasses a lot of possible situations, which must indeed be addressed, but cannot be singly simulated. In this paper, a methodological approach aimed at predicting simulated infrared signature dispersion of poorly known aircraft is proposed. It is based on a sensitivity analysis, which identifies inputs that have negligible influence on the computed infrared signature and can be set at a constant value, and on a quasi-Monte Carlo survey of the code output dispersion. This method is emphasized in a typical scenario, namely a daylight air-to-ground full-frontal attack by a generic combat aircraft flying at low altitude, and gives a satisfactory estimation of the infrared signature dispersion with less than 10,000 samples.

Suggested Citation

  • Lefebvre, Sidonie & Roblin, Antoine & Varet, Suzanne & Durand, Gérard, 2010. "A methodological approach for statistical evaluation of aircraft infrared signature," Reliability Engineering and System Safety, Elsevier, vol. 95(5), pages 484-493.
    • Handle: RePEc:eee:reensy:v:95:y:2010:i:5:p:484-493
    DOI: 10.1016/j.ress.2009.12.002
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    Cited by:

    1. Wang, Xiaodi & Huang, Hengzhen, 2023. "Group symmetric Latin hypercube designs for symmetrical global sensitivity analysis," Computational Statistics & Data Analysis, Elsevier, vol. 179(C).

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