Modeling and Verification of Space-Based Optical Scattering Characteristics of Space Objects

Chengming Sun; Yan Yuan; Qunbo Lü

doi:10.3788/AOS201939.1129001

Acta Optica Sinica, Volume. 39, Issue 11, 1129001(2019)

Modeling and Verification of Space-Based Optical Scattering Characteristics of Space Objects

Chengming Sun^1,2、*, Yan Yuan³, and Qunbo Lü^1,2

Author Affiliations

¹Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China

²Key Laboratory of Computational Optical Imaging Technology, Chinese Academy of Sciences, Beijing 100094, China

³Key Laboratory of Precision Opto-Mechatronics Technology, Ministry of Education, Beihang University, Beijing 100191, China

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Figures & Tables(9)

Fig. 1. Diagram of background radiation of object

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Fig. 2. Schematic of BRDF

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Fig. 3. Region classification and grid division

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Fig. 4. Phenomena of shadowing and masking. (a) Shadowing; (b) masking

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Fig. 5. Schematic of surface cell detection

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Fig. 6. Measurement scheme of optical scattering characteristics

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Fig. 7. Modeling and measured data at different incident angles. (a) 30°; (b) 45°; (c) 60°

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Table 1. Material and size of FengYun-1 satellite scale model
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Table 1. Material and size of FengYun-1 satellite scale model
Region Material Size /mm
Body Silver film 95×95×80
Sail Front Si 180×80
Back Black paint 180×80
Length to body center 180

Table 2. Modeling accuracy of optical scattering characteristics
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Table 2. Modeling accuracy of optical scattering characteristics
Incident angle /(°) Modeling accuracy /%
30 5.28
45 7.36
60 9.57

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Chengming Sun, Yan Yuan, Qunbo Lü. Modeling and Verification of Space-Based Optical Scattering Characteristics of Space Objects[J]. Acta Optica Sinica, 2019, 39(11): 1129001

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