Fig. 1. Inversion coordinate system with multi-laser beam for airspeed measurement

Fig. 2. Airspeed accuracy vs angle θ

Fig. 3. Airspeed accuracy vs laser beam number N

Fig. 4. AOA accuracy under different flight status （V_TAS=50 m/s）

Fig. 5. AOS accuracy under different flight status （V_TAS=50 m/s）

Fig. 6. Flight status range with inversion accuracy less than 1°

Fig. 7. Flight status range with inversion accuracy less than 3°

Fig. 8. Change of angle inversion accuracy with TAS

Fig. 9. Change of angle range with TAS for a given inversion accuracy

Fig. 10. Diagram of experimental setup

Fig. 11. Three-axis TAS accuracy curve with θ

Fig. 12. Three-axis TAS accuracy curve with laser beam number N

Fig. 13. The accuracy curve of AOA and AOS with TAS