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) R_β 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