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Proceedings Paper

Research of infrared stealth criterion of targets based on signal-to-noise ratio
Author(s): Xuan Chen; Li Yang; Fengrui Sun
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Paper Abstract

Systematic studies on the infrared stealth criterion of military targets are of great importance. At first, based on the radiation energy difference received by single target and background pixel, the expression of output signal-to-noise ratio (SNR) of detector was derived. Then, the effect of radiation contrast, integration time, distance between the target and detector and relative lateral velocity of targets on the output SNR of detector was analyzed. At last, the infrared stealth criterions of target in different wavebands were raised. The analysis and calculation results showed that for the infrared detector whose integration time was adjustable, the output SNR could be enhanced by extending the integration time. The SNR could be effectively reduced by controlling the radiation contrast of target and background so that infrared stealth would be realized. Target infrared stealth can be obtained by controlling the threshold contrasts Cth respectively less than 0.043 and 0.029 in 3 ~ 5μm and 8 ~ 14μm wavebands.

Paper Details

Date Published: 5 August 2009
PDF: 7 pages
Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73834P (5 August 2009); doi: 10.1117/12.835667
Show Author Affiliations
Xuan Chen, Naval Univ. of Engineering (China)
Li Yang, Naval Univ. of Engineering (China)
Fengrui Sun, Naval Univ. of Engineering (China)


Published in SPIE Proceedings Vol. 7383:
International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications
Jeffery Puschell; Hai-mei Gong; Yi Cai; Jin Lu; Jin-dong Fei, Editor(s)

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