Simulation and Analysis of Infrared Polarization Radiation Characteristics of Air Targets Against Sea Surface

Deyan Zhu; Xiaoxuan Fu; Junwei Tang; Xiaolei Liu

doi:10.3788/AOS222056

Acta Optica Sinica, Volume. 43, Issue 12, 1212006(2023)

Simulation and Analysis of Infrared Polarization Radiation Characteristics of Air Targets Against Sea Surface

Deyan Zhu^1,2、*, Xiaoxuan Fu^1,2, Junwei Tang^1,2, and Xiaolei Liu³

Author Affiliations

¹College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210001, Jiangsu, China

²Key Laboratory of Space Photoelectric Detection and Sensing of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210001, Jiangsu, China

³Remote Sensing Satellite General Department of China Academy of Space Technology, Beijing 100098, China

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Figures & Tables(9)

Fig. 1. Radiation transfer model of space-based detection system

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Fig. 2. Wide-band polarization degree variation of aircraft target and sea surface background

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Fig. 3. Wide-band polarization degree of target and sea surface varying with target temperature

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Fig. 4. Wide-band differential polarization degree of target and sea surface varying with target temperature

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Fig. 5. Wide-band polarization degree of target and sea surface varying with target height

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Fig. 6. Wide-band differential polarization degree of target and sea surface varying with target height

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Fig. 7. Wide-band polarization degree of target and sea surface varying with detection pitch angle

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Fig. 8. Wide-band differential polarization degree of target and sea surface varying with detection pitch angle

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Table 1. Experimental parameter setting for influencing factors of polarization detection performance

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Table 1. Experimental parameter setting for influencing factors of polarization detection performance

Parameter	Target speed /（m $∙ s^{- 1}$ ）	Detection azimuth /（°）	Solar altitude angle /（°）	Background category	$R_{t a r g e t ‑ s f c}^{s}$	$R_{t a r g e t ‑ s f c}^{p}$	$R_{s e a ‑ s f c}^{s}$	$R_{s e a ‑ s f c}^{p}$
Description	272.24	0	30	Sea	0.926	0.858	0.053	0.003

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Deyan Zhu, Xiaoxuan Fu, Junwei Tang, Xiaolei Liu. Simulation and Analysis of Infrared Polarization Radiation Characteristics of Air Targets Against Sea Surface[J]. Acta Optica Sinica, 2023, 43(12): 1212006

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Nov. 28, 2022

Accepted: Feb. 24, 2023

Published Online: Jun. 20, 2023

The Author Email: Zhu Deyan (zhedy@aliyun.com)

DOI:10.3788/AOS222056

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology