Fig. 1. Schematic of laser communication link based on UAV

Fig. 2. Simplified model of oscillating mirror

Fig. 3. Schematic of the misalignment of signal beam in receiving plane caused by pointing error

Fig. 4. Joint channel probability density function for different turbulence intensities

Fig. 5. Joint channel probability density function for different jitter variances

Fig. 6. Experimental site images. (a) System physical image; (b) test site image

Fig. 7. Test results of azimuth pointing error angle. (a) Change curve; (b) distribution histogram

Fig. 8. Test results of elevation pointing error angle. (a) Change curve; (b) distribution histogram

Fig. 9. Frequency distribution histogram of pointing error angle