Fig. 1. Morphology of real satellite surface folds. (a) Morphology 1; (b) morphology 2; (c) morphology 3; (d) morphology 4

Fig. 2. 3DS MAX modeling schematic and preliminary modeling effect

Fig. 3. Fold modeling process of coating materials on space target surface

Fig. 4. Schematic of OCS variables

Fig. 5. Location relation of the sun and detector

Fig. 6. Fold models with fluctuation numbers of (a) 1, (b) 3 and (c) 6

Fig. 7. Magnitude sequences of (a) flat plane and (b) plane with fold number of 3.0 at different solar incident angles

Fig. 8. Magnitude sequences of plane with different fold numbers

Fig. 9. (a) Observable angle width with different fold numbers; (b) variation of observable angle width with fold number

Fig. 10. Fold models with fluctuation heights of (a) 0.1 cm, (b) 1.0 cm, and (c) 3.0 cm

Fig. 11. Magnitude sequence of plane with different fold heights

Fig. 12. (a) Observable angle width with different fold heights; (b) variation of observable angle width with fold height

Fig. 13. Magnitude sequences with fold heights of (a) 2.0 cm and (b) 3.0 cm

Fig. 14. (a) Model of geosynchronous orbit communication satellite; (b) magnitude curve of target