Fig. 1. High-resolution optical remote sensing satellites with 1 m resolution

Fig. 2. Technical changes of high resolution optical remote sensing satellite

Fig. 3. GEO-oculus surveillance system

Fig. 4. GF-4 remote sensing satellite^[39]

Fig. 5. 4 m SiC aspherical mirror^[41]

Fig. 6. MOIRE concept map^[48]

Fig. 7. Optical components with diffraction pattern prepared by MOIRE project^[49]

Fig. 8. 1/8 ground prototype developed by MOIRE system^[50]

Fig. 9. Space environment test prototype developed by MOIRE project^[51]

Fig. 10. Schematic diagram of GISMO satellite formation principle^[55]

Fig. 11. ESA-EUSO concept diagram

Fig. 12. Structural diagram of JEM-EUSO telescope^[56]

Fig. 13. Schematic diagram of “photon screen” imaging system carried by “falcon-7” microsatellite^[63]

Fig. 14. Diffraction imaging space telescope^[64]

Fig. 15. Primary mirror of 5 m aperture diffraction telescope^[69]

Fig. 16. Optical path design of SMT telescope (right) and SMT telescope (left) developed by NRO^[79]

Fig. 17. On orbit deployment of the primary mirror of the James Webb Space Telescope^[80]

Fig. 18. James Webb unfold block telescope

Fig. 19. Optical camera in GEO with 2 m resolution

Fig. 20. LUVOIR-A/LUVOIR-B models

Fig. 21. Typical on-orbit assembly projects

Fig. 22. Configuration of Fizeau interferometric synthetic aperture imaging system

Fig. 23. Star-9 system^[99]

Fig. 24. Space interferometer TPF-I from the U.S.

Fig. 25. Schematic diagram of collecting telescope TPF-I

Fig. 26. Schematic diagram of beam synthesis telescope TPF-I

Fig. 27. GOLAY-3 adaptive reconnaissance optical satellite system^[106]

Fig. 28. Schematic diagram of MIDAS system^[110]

Fig. 29. MIDAS optical system^[110]

Fig. 30. Layout of ONERA sparse aperture system

Fig. 31. Principle diagram of ONERA sparse aperture system co-phasing test

Fig. 32. Simulation results of recovery images of ONERA sparse aperture system^[111]

Fig. 33. Configuration of Darwin’s Mission^[113]

Fig. 34. Concept map of FFSAT

Fig. 35. 3-axis piezo stage

Fig. 36. (a) Original object; (b) image obtained by SPIDER technology^[121]

Fig. 37. Schematic diagram of SPIDER system

Fig. 38. SPIDER developed by Lockheed Martin company

Fig. 39. Imaging effect of SPOT-5 subpixel super resolution imaging (Supermode mode)

Fig. 40. SkySat satellite orbit distribution

Fig. 41. Schematic diagram of spectrum imaging for SkySat-1 detector

Fig. 42. RAW image acquired by satellite (left) VS super resolution image after 20 frames combination (right)^[123]

Fig. 43. Raw low-resolution image

Fig. 44. Super resolution results

Fig. 45. Raw low-resolution data^[130]

Fig. 46. Super resolution imaging result^[133]

Fig. 47. Schematic diagram of coherent aperture synthesis super resolution imaging^[133]

Fig. 48. Experimental test scenario of coherent aperture synthesis supermetry