Refraction effects on infrared system detection ranges in near sea surface

li yunbo; zhang yonggang; li guijuan; wang huili

Volume 23 Issue 06

Jun. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(06): 0-

xu jian-cheng, shi qi-kai, chai li-qun, et al. Effect reduction of spurious fringes in interferometric measurement system[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

li yunbo, zhang yonggang, li guijuan, et al. Refraction effects on infrared system detection ranges in near sea surface[J]. High Power Laser and Particle Beams, 2011, 23.

xu jian-cheng, shi qi-kai, chai li-qun, et al. Effect reduction of spurious fringes in interferometric measurement system[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

li yunbo, zhang yonggang, li guijuan, et al. Refraction effects on infrared system detection ranges in near sea surface[J]. High Power Laser and Particle Beams, 2011, 23.

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Refraction effects on infrared system detection ranges in near sea surface

1.
Military Oceanography Institute,Dalian Naval Academy,Dalian 116018,China;
2.
National Key Laboratory of Science and Technology on Underwater Test and Control,Dalian 116013,China

Publish Date: 2011-06-28

Abstract

Abstract

This paper established optical propagation tracing mathematical model based on geometrical optics and parabolic approximation method, extracting maximum inter-vision ranges (MIVR) to denote the absolute detection range limit imposed by refraction for a given sensor and target height, determining the appearance mechanism of mirage. When wind speed is constant, MIVR decreases with the increase of air-sea difference in temperature (ASTD); but MIVR decreases with the increase of wind speed under the constant ASTD; the MIVR decreases with ASTD increasing, the corresponding relationships of MIVR and the height position is a standard straight line, and MIVR reduces with the height parameter decreasing; the accuracy of MIVR is better.
- infrared system detection,
- atmospheric optics,
- near sea surface,
- subrefraction,
- mirage

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