Fig. 1. Principle of coherent wind LiDAR system

Fig. 2. Sketch map of laser Doppler wind

Fig. 3. Simple map of transceiver coaxial LiDAR

Fig. 4. Schematic of spaceborne LiDAR wind measurement

Fig. 5. Three-dimensional map of normalized R_SNR as a function of θ_l and D

Fig. 6. Relation curve between optimal telescope aperture value and mismatch angle

Fig. 7. Simulation curve of SNR change caused by micro-vibration

Fig. 8. Test curve of micro-vibration

Fig. 9. Ratio of SNR with and without micro-vibration