Bin Li, Hongjie Lei. Analysis of data inversion accuracy of airborne optical air data system[J]. Infrared and Laser Engineering, 2021, 50(8): 20200429
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20200429 (2021)
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
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