Fig. 1. Composition of method for high-precision atmoshperic dis-turbance monitoring

Fig. 2. Schematic diagram of background-oriented schlieren

Fig. 3. (a) Experimental layout of background schlieren imaging; (b) Ex-perimental layout of traditional schlieren imaging

Fig. 4. Background images in experiment

Fig. 5. Experimental results of background-oriented schlieren

Fig. 6. Experimental result of traditional schlieren

Fig. 7. Comparison of atmospheric disturbance inversion results under speckle background with traditional schlieren imaging experimental results

Fig. 8. Detection result of atmospheric disturbance in ocean image background (Refractive index gradient in Y direction)

Fig. 9. Detection result of atmospheric disturbance in mountain image background (Refractive index gradient in Y direction)

Fig. 10. Detection result of atmospheric disturbance in city image background (Refractive index gradient in Y direction)