Dong Yang, Jianyu Li, Wenqing Xu, Qingshan Xu, Heli Wei. Fast Measurement and Cloud Detection of Solar Transmission Ratio at Different Fields of View[J]. Acta Optica Sinica, 2018, 38(10): 1012001
- Acta Optica Sinica
- Vol. 38, Issue 10, 1012001 (2018)
Fig. 1. Phase functions of cirrus, water clouds and aerosol
Fig. 2. Phase function comparison
Fig. 3. Changes of transmission ratio of cirrus clouds with effective size and optical thickness at different fields of view. (a) 2.0°/0.8° field of view; (b) 5.0°/0.8° field of view
Fig. 4. Mechanical structure diagram of detecting module of VFOVSP
Fig. 5. Schematic of measurement beam path
Fig. 6. Physical structure diagram of instrument
Fig. 7. Calibration of instrument
Fig. 8. AOT of aerosol at different fields of view
Fig. 9. Comparison of aerosol optical thickness
Fig. 10. Transmission ratio in 670 nm waveband under different weather states and fields of view. (a) November 11, 2017; (b) November 23, 2017; (c) November 29, 2017
Fig. 11. Total transmission flux ratio changes with effective sizes in forward direction small angle. (a) Aerosol; (b) water cloud; (c) cirrus
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