Evaluation of appropriate sensor specifications for space based ballistic missile detection

Caroline Schweitzer; Karin Stein; Norbert Wendelstein

doi:10.1117/12.966828

24 October 2012 Evaluation of appropriate sensor specifications for space based ballistic missile detection

Caroline Schweitzer, Karin Stein, Norbert Wendelstein

Proceedings Volume 8541, Electro-Optical and Infrared Systems: Technology and Applications IX; 85410M (2012) https://doi.org/10.1117/12.966828
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

Abstract

The detection and tracking of ballistic missiles (BMs) during launch or cloud break using satellite based electro-optical (EO) sensors is a promising possibility for pre-instructing early warning and fire control radars. However, the successful detection of a BM is depending on the applied infrared (IR)-channel, as emission and reflection of threat and background vary in different spectral (IR-) bands and for different observation scenarios. In addition, the spatial resolution of the satellite based system also conditions the signal-to-clutter-ratio (SCR) and therefore the predictability of the flight path. Generally available satellite images provide data in spectral bands, which are suitable for remote sensing applications and earth surface observations. However, in the fields of BM early warning, these bands are not of interest making the simulation of background data essential. The paper focuses on the analysis of IR-bands suitable for missile detection by trading off the suppression of background signature against threat signal strength. This comprises a radiometric overview of the background radiation in different spectral bands for different climates and seasons as well as for various cloud types and covers. A brief investigation of the BM signature and its trajectory within a threat scenario is presented. Moreover, the influence on the SCR caused by different observation scenarios and varying spatial resolution are pointed out. The paper also introduces the software used for simulating natural background spectral radiance images, MATISSE (“Advanced Modeling of the Earth for Environment and Scenes Simulation”) by ONERA [1].

Citation Download Citation

Caroline Schweitzer, Karin Stein, and Norbert Wendelstein "Evaluation of appropriate sensor specifications for space based ballistic missile detection", Proc. SPIE 8541, Electro-Optical and Infrared Systems: Technology and Applications IX, 85410M (24 October 2012); https://doi.org/10.1117/12.966828

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