Correction of Out-Band Spectral Response of Night Light Remote Sensing Satellite

Runshan Liu; Xing Zhong; Chi Ma; Yonghong Hu; Lin Yan; Changyong Dou

doi:10.3788/AOS202141.1428002

Acta Optica Sinica, Volume. 41, Issue 14, 1428002(2021)

Correction of Out-Band Spectral Response of Night Light Remote Sensing Satellite

Runshan Liu^1,2,3, Xing Zhong^3,4、*, Chi Ma³, Yonghong Hu⁵, Lin Yan⁵, and Changyong Dou⁵

Author Affiliations

¹Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³Chang Guang Satellite Technology Co., Ltd., Changchun, Jilin 130102, China

⁴State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, Liaoning 116024, China

⁵Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

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Figures & Tables(10)

Fig. 1. Relative spectral response

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Fig. 2. Spectral characteristic curves for four sources. (a) Halogen lamp; (b) high pressure sodium lamp; (c) light emitting diode; (d) fluorescent lamp

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Fig. 3. Bayer color filter array

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Fig. 4. Ground experiment. (a) Metal halide lamp; (b) light source radiance measurement site; (c) radiance curve

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Fig. 5. Satellite image of Miaoxiangshan and target light source image. (a) Satellite image of Miaoxiangshan; (b) target light source image

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Fig. 6. CE318-TS9

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Fig. 7. Atmospheric transmittance

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Fig. 8. Radiance inversion results. (a) Red; (b) green; (c) blue

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Table 1. Basic input parameters
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Table 1. Basic input parameters
Parameter Item
Model atmosphere Mid-Latitude Summer
AOD (550 nm) 0.13
Satellite zenith /(°) 18.30
Satellite azimuth /(°) 3.52°
Aerosol model used Rueal (visibility: 23 km)

Table 2. Comparison of radiance difference before and after out-band response correctionunit: %
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Table 2. Comparison of radiance difference before and after out-band response correctionunit: %
Band Original Corrected
Red 14.28 6.60
Green 8.61 3.15
Blue 8.71 4.89
Average 10.53 4.88

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Runshan Liu, Xing Zhong, Chi Ma, Yonghong Hu, Lin Yan, Changyong Dou. Correction of Out-Band Spectral Response of Night Light Remote Sensing Satellite[J]. Acta Optica Sinica, 2021, 41(14): 1428002

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