Quan ZHANG, Xin LI, Wei WEI, Enchao LIU, Yanna ZHANG, Xionghao HUANG, Shengli CHEN, Zhuhai KANG, Xiaobing ZHENG. Design of BRDF measurement system based on multi-rotor UAV[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(3): 235
- Journal of Atmospheric and Environmental Optics
- Vol. 18, Issue 3, 235 (2023)
Fig. 1. Compositions of multi-rotor UAV
Fig. 2. Photo of multi-rotor UAV
Fig. 3. Spectroscopic principle diagram of flat-field concave grating
Fig. 4. Visible-short-wave infrared spectrometer. (a) 3D modeling; (b) physical photo
Fig. 5. Stray light path of VNIR unit
Fig. 6. Stray light path of SWIR unit
Fig. 7. UAV BRDF measurement route hierarchy
Fig. 8. Measurement of polygonal route by UAV BRDF
Fig. 9. BRDF reflectivity data of Dunhuang test site
Fig. 10. BRF distribution of Dunhuang test site in 2019. (a) λ = 554 nm; (b) λ = 857 nm; (c) λ = 1242 nm
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Table 1. Technical parameters of multi-rotor UAV
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Table 2. Technical parameters of cradle head
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Table 3. Grating parameters of VNIR unit
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Table 4. Grating parameters of SWIR unit
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