Fig. 1. Schematic diagram of common-path optical system composition

Fig. 2. Schematic diagram of testing system composition

Fig. 3. Inertial angular rate measured by gyro

Fig. 4. Angular position signal of optical compensation elements

Fig. 5. Angular position signal of angular-rate integral measured by gyro

Fig. 6. Inertial angular position signal of internal payload

Fig. 7. Line of sight angular position with coarse and fine platform stabilization

Fig. 8. Image jitter with coarse platform stabilization

Fig. 9. Image jitter with coarse and fine platform stabilization

Fig. 10. Power spectrum density curves of line of sight angular position

Fig. 11. Stabilization accuracy curves of line of sight

Fig. 12. Contribution curves of frequency band stabilization accuracy

Fig. 13. Efficiency improvement curves with two-level stabilization