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Proceedings Paper

Fast multichannel radiometer for diagnosing munition flashes
Author(s): Adam D. Devir; Michael Y. Engel; Ilan Mendelewicz; Sahar Vilan; Dario Cabib; Amir Gil
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Paper Abstract

Understanding of the temporal and spectral behavior of the radiation emitted from fast transients such as gun shots, explosions, missile launches and kinetic ammunition is very important for the development of IRST, MWS and IRCM systems. The spectral-temporal behavior of the signature of these events is an essential factor for their detection and for the filtering of false alarms. Munitions flashes are fast transient phenomena with time duration that range from the sub-millisecond to a fraction of a second. A full characterization of the infrared signature of these events involves measurement of the evolution of its spectral distribution in time where the temporal resolution required is of the order of microseconds. We describe here a method for utilizing a four-channel radiometer to extract the above-mentioned data from these events. We show that we can derive the temporal evolution of the temperature of an explosion on time scale of 20&mgr;sec and separate energy releasing processes. Several practical examples will be given.

Paper Details

Date Published: 16 April 2008
PDF: 8 pages
Proc. SPIE 6940, Infrared Technology and Applications XXXIV, 69401O (16 April 2008); doi: 10.1117/12.784275
Show Author Affiliations
Adam D. Devir, IARD Institute for Advanced Research and Development (Israel)
Michael Y. Engel, IARD Institute for Advanced Research and Development (Israel)
Ilan Mendelewicz, IARD Institute for Advanced Research and Development (Israel)
Sahar Vilan, IARD Institute for Advanced Research and Development (Israel)
Dario Cabib, CI Systems Ltd. (Israel)
Amir Gil, CI Systems Ltd. (Israel)

Published in SPIE Proceedings Vol. 6940:
Infrared Technology and Applications XXXIV
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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