Fahua Shen, Peng Zhuang, Bangxin Wang, Chenbo Xie, Chengqun Qiu, Dong Liu, Yingjian Wang. Research on Retrieval Method of Low-Altitude Wind Field for Rayleigh-Mie Scattering Doppler Lidar[J]. Chinese Journal of Lasers, 2021, 48(11): 1110005
- Chinese Journal of Lasers
- Vol. 48, Issue 11, 1110005 (2021)
Fig. 1. Measurement principle of the Rayleigh-Mie scattering Doppler frequency based on FPI
Fig. 2. Optical path of the Rayleigh-Mie scattering Doppler lidar receiver
Fig. 3. Normalized Rayleigh-Brillouin scattering spectra under different pressure conditions
Fig. 4. FPI transmittance curves of two edge channels
Fig. 5. Transmittance curves of two FPI in the atmosphere at different altitudes. (a) 60 m; (b) 1020 m
Fig. 6. Effective frequency response functions at different altitudes. (a) 60 m; (b) 1020 m
Fig. 7. Wind speed inversion errors at different altitudes
Fig. 8. Number of photoelectrons output by three detectors
Fig. 9. Radial wind speeds obtained by different methods. (a) Traditional method; (b) our method
Fig. 10. Aerosol backscattering ratio obtained by our method. (a) Rβ change curve with altitude; (b) error change curve with altitude
Fig. 11. Horizontal wind speed measurement results of different methods. (a) Horizontal wind speed measurement profile; (b) difference of horizontal wind speed at the same altitude
Fig. 12. Differences of the same altitude data for different methods. (a) 0.27--5.27 km; (b) 0.27--10.27 km
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