Fig. 1. Schematic diagram of wavefront distortion generated by a plane wave passing through turbulent flow field

Fig. 2. Composition of method for optical transmission in atmospheric disturbance

Fig. 3. Simulation result of deflection characteristics of ground light with different optical wavelength passing through the same atmospheric disturbance area

Fig. 4. Schematic diagram of background oriented schlieren

Fig. 5. Relationship between target flight altitude and performance of monitoring system in different monitoring heights

Fig. 6. Relationship between image processing capability and performance of monitoring system with different detector pixel sizes

Fig. 7. Relationship between focal length and performance of monitoring system with different recognition ability in image surface displacement

Fig. 8. Composition of method for high-precision disturbance monitoring

Fig. 9. Schematic diagram of integral pixel search

Fig. 10. Speckle pattern in Gaussian distribution got by numerical simulation

Fig. 11. Given displacement in X direction u₀=0.01 and given displacement in Y direction ν₀=0.01