Fig. 1. GSD of cross-track scanning imaging

Fig. 2. Proportion of atmospheric radiation in the total energy of imager entrance pupil

Fig. 3. Schematic diagram of imaging principle

Fig. 4. Schematic diagram of resolution calculation

Fig. 5. Schematic diagram of width calculation

Fig. 6. Curve of GSD changes with scanning angle

Fig. 7. Curve of normalized GSD changes with scanning angle

Fig. 8. Curve of width changes with scanning angle

Fig. 9. Comparison of GSD between satellite maneuver and non maneuver

Fig. 10. Ground trajectory at different pitch angles

Fig. 11. Curve of width changes with pitch angle