Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 3, 235(2023)
Design of BRDF measurement system based on multi-rotor UAV
Figures & Tables(14)
Fig. 3. Spectroscopic principle diagram of flat-field concave grating
Fig. 4. Visible-short-wave infrared spectrometer. (a) 3D modeling; (b) physical photo
Fig. 10. BRF distribution of Dunhuang test site in 2019. (a) λ = 554 nm; (b) λ = 857 nm; (c) λ = 1242 nm
Table 1. Technical parameters of multi-rotor UAV
View tableView in ArticleTable 1. Technical parameters of multi-rotor UAV
Type Parameter Load weight/kg 10 Hover precision/m Vertical: ±0.5, horizontal: ±1.5 Maximum Angle/(°) 25 Maximum wind speed/(m·s-1) 8 Maximum level flying speed/(m·s-1) 12 (Windless environment) Operating environment temperature/℃ -10～40
Table 2. Technical parameters of cradle head
View tableView in ArticleTable 2. Technical parameters of cradle head
Type Parameter Weight/kg 2.77 Load weight/kg 4.5 Operating environment temperature/℃ -15～50 Angle jitter/(°) ±0.02
Table 3. Grating parameters of VNIR unit
View tableView in ArticleTable 3. Grating parameters of VNIR unit
Type Parameter Spectral range/nm 400～1000 F# 2.2 Scribed line density/(gr·mm-1) 310.5 Spectral width/(k·mm-1) 12.7 Average dispersion(nm·mm-1) 47.2
Table 4. Grating parameters of SWIR unit
View tableView in ArticleTable 4. Grating parameters of SWIR unit
Type Parameter Spectral range/nm 850～1700 F# 2.2 Scribed line density/(gr·mm-1) 221 Spectral width(k·mm-1) 12.7 Average dispersion(nm·mm-1) 67
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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
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Received: Dec. 28, 2020
Accepted: --
Published Online: Jun. 29, 2023
The Author Email: LI Xin (xli@aiofm.ac.cn)
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