Computation of Near Sea Flight Vehicle Reflection from Sea and Sky Background Radiation

Xu Nanrong; Lei Jianchang

Volume 24 Issue 2

Feb. 1998

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References

Journal of Beijing University of Aeronautics and Astronautics > 1998 > 24(2): 237-240.

Huang Jun, Wu Zhe, Zhu Rongchanget al. Optimized Collocation of Combat Aircraft Weapon Systems for Air Force[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999, 25(5): 546-549. (in Chinese)

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Xu Nanrong, Lei Jianchang. Computation of Near Sea Flight Vehicle Reflection from Sea and Sky Background Radiation[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(2): 237-240. (in Chinese)

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Computation of Near Sea Flight Vehicle Reflection from Sea and Sky Background Radiation

Beijing University of Aeronautics and Astronautics,School of Astronautics

Received Date: 14 Aug 1996
Publish Date: 28 Feb 1998

Abstract

Abstract

The reflective characteristics of sea and sky background radiation,which have important effect on the infrared signature from flight vehicle above sea,are studied in the paper.The statistical distribution of wave facet directions is discussed,the effects of randomly riging and falling sea wave on the sea surface radiation and on the sun light reflection are also discussed.Calculation methods of irradiance from sea surface radiation and reflected sun light on observation point are derived in the paper.Finally a computation example is given,which shows the sea and sky background radiation has important effect on infrared characteristic especially in the front area of a flight vehicle.
- flight vehicle,
- infrared radiation,
- infrared background,
- sea and sky background,
- infrared computation

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References(1)

References

1.Cox C,Munk W.Statistics of the seasurface derived from sun glitter.J Marine Res,1954,13(2):198~227 2. Van Haersma Buma Jr.Infrared sea background radiation.PHL,1975.33 3. 赵凯华,钟锡华.光学.上册.北京:北京大学出版社,1984 4. 徐南荣.喷气流红外辐射场的数值计算.航空学报,1995,16(6):647~653 5. Ra Rocca A J,Robert E T.Atmospheric transmittance and radiance:Methods and Calculation.AD-AO17459,1975

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Computation of Near Sea Flight Vehicle Reflection from Sea and Sky Background Radiation