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Analytical estimation of solid angle subtended by complex well-resolved surfaces for infrared detection studies

DSpace at IIT Bombay

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Title Analytical estimation of solid angle subtended by complex well-resolved surfaces for infrared detection studies
 
Creator MAHULIKAR, SP
POTNURU, SK
KOLHE, PS
 
Subject circular disk
cylindrical detector
point
integrals
cylinder
 
Description The solid angle (Omega) subtended by the hot power-plant surfaces of a typical fighter aircraft, on the detector of an infrared (IR) guided missile, is analytically obtained. The use of the parallel rays projection method simplifies the incorporation of the effect of the optical blocking by engine surfaces, on Omega-subtended. This methodology enables the evaluation of the relative contribution of the IR signature from well-resolved distributed sources, and is important for imaging infrared detection studies. The complex 3D surface of a rear fuselage is projected onto an equivalent planar area normal to the viewing aspect, which would give the same Omega-subtended. (c) 2007 Optical Society of America.
 
Publisher OPTICAL SOC AMER
 
Date 2011-08-19T10:14:25Z
2011-12-26T12:56:11Z
2011-12-27T05:44:29Z
2011-08-19T10:14:25Z
2011-12-26T12:56:11Z
2011-12-27T05:44:29Z
2007
 
Type Article
 
Identifier APPLIED OPTICS, 46(22), 4991-4998
0003-6935
http://dx.doi.org/10.1364/AO.46.004991
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10315
http://hdl.handle.net/10054/10315
 
Language en