The research on polarimetric detection capability of ship targets in the sea fog

Xin-Yue NI; Shu-Tian YU; Yu-Jun TANG; Fan-Sheng CHEN

doi:10.11972/j.issn.1001-9014.2021.01.014

Journals >Journal of Infrared and Millimeter Waves >Volume 40 >Issue 1 >Page 96 > Article

Journal of Infrared and Millimeter Waves
Vol. 40, Issue 1, 96 (2021)

The research on polarimetric detection capability of ship targets in the sea fog

Xin-Yue NI^1、3, Shu-Tian YU^1、3, Yu-Jun TANG^1、*, and Fan-Sheng CHEN^1、2

Author Affiliations

¹Key Laboratory of Intelligent Infrared Perception，Shanghai Institute of Technical Physics，Chinese Academy of Sciences，Shanghai 200083，China

²Hangzhou Institute for Advanced Study，University of Chinese Academy of Sciences，Hangzhou 310024，China

³University of Chinese Academy of Sciences，Beijing 100049，China

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DOI: 10.11972/j.issn.1001-9014.2021.01.014 Cite this Article

Xin-Yue NI, Shu-Tian YU, Yu-Jun TANG, Fan-Sheng CHEN. The research on polarimetric detection capability of ship targets in the sea fog[J]. Journal of Infrared and Millimeter Waves, 2021, 40(1): 96 Copy Citation Text

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Fig. 1. Degree of polarization of sea surface

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Fig. 2. Physical model of infrared detection

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Fig. 3. Atmospheric transmittance and radiance

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Fig. 4. The contrast of Ship detection(

S S R

) in

M W I R

(letf) and

L W I R

(right)

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Fig. 5. Impact of

∆ T

τ_{t h}

and

I N C

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Fig. 6. Impact of

θ

τ_{t h}

and

I N C

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Fig. 7. Impact of

H

τ_{t h}

and

I N C

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物理量	大气模型（Model Atmosphere）	气溶胶模型（Aerosol Model Used）	海水温度	舰船发射率
参数	MidLatitude Summer	Navy Maritime	290 K	0.95

Table 1. Simulation parameters

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波段	阈值透过率 $τ_{t h}$
波段	强度	偏振
3.7~4.8 μm	0.216 6	0.103 7
8~12 μm	0.476 1	0.141 6

Table 2. Threshold transmittance(

τ_{t h}

) at

T_{s h i p}

=295 K,

H

=0.5 km,

θ

=5°

Xin-Yue NI, Shu-Tian YU, Yu-Jun TANG, Fan-Sheng CHEN. The research on polarimetric detection capability of ship targets in the sea fog[J]. Journal of Infrared and Millimeter Waves, 2021, 40(1): 96

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