黄海平流雾对8~12 μm波段红外辐射衰减的实验研究

李伟; 邵利民; 袁群哲

doi:doi:10.3788/irla201948.0704005

红外与激光工程, 2019, 48 (7): 0704005, 网络出版: 2019-08-07

黄海平流雾对8~12 μm波段红外辐射衰减的实验研究

Experimental study on infrared radiation attenuation in the 8-12 μm waveband by Yellow Sea advection fog

论文大纲

李伟邵利民袁群哲

作者单位

海军大连舰艇学院航海系, 辽宁大连 116018

黄海平流雾 8~12 μm波段辐射衰减实验研究 Yelow Sea advection fog 8-12 μm waveband radiation attenuation experimental study

摘要

为了研究新一代舰载红外探测系统在海雾条件下的探测能力, 以黄海海雾为实验环境, 以非制冷型红外热像仪为探测器, 分别在不同强度的海雾中以不同性质的红外辐射源为探测对象进行了成像实验, 并结合红外辐射在海雾中的衰减模型进行了量化研究。衰减模型可分为物理模型和经验模型两大类, 分别对其在不同强度海雾下的衰减曲线进行了对比分析, 并根据实测结果进行了拟合分析, 结果表明: 在轻雾条件下, 实际观测的结果几乎与物理模型一致; 在较浓海雾条件下, 以经验模型计算的结果与观测结果相差较小; 而在特浓海雾条件下, 以经验模型计算的结果较接近于实际观测。

Abstract

In order to study the detection capabilities of the new generation of shipborne infrared detection systems under sea fog conditions, the Yellow Sea sea fog was used as the experimental environment, the uncooled infrared thermal imager was used as the detector. Different infrared radiation sources were used as detection objects in different intensity sea fogs to perform imaging experiments, a quantitative study was made based on the attenuation model of infrared radiation in different conditions.The attenuation model can be divided into two categories: physical model and empirical model. The attenuation curves under different intensities of sea fog were compared and analyzed, the results of several measurements were analyzed. It is shown that in the case of light fog, the results calculated by the physical model are almost the same as the observation results; for dense sea fog, the results calculated by the empirical model are very close to the actual observations; while under the heavy sea fog conditions, the actual observation results are more closer to empirical models.

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李伟, 邵利民, 袁群哲. 黄海平流雾对8~12 μm波段红外辐射衰减的实验研究[J]. 红外与激光工程, 2019, 48(7): 0704005. Li Wei, Shao Limin, Yuan Qunzhe. Experimental study on infrared radiation attenuation in the 8-12 μm waveband by Yellow Sea advection fog[J]. Infrared and Laser Engineering, 2019, 48(7): 0704005.

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