Fig. 1. The schematic diagram of optical principle of classical Michelson interferometer
Fig. 2. Diagrammatic sketch of Michelson interferometer based on two corner cubes
Fig. 3. Diagrammatic sketch of Michelson interferometer based on corner cube and mirror
Fig. 4. Schematic diagram of technical principle and structure of GIIRS
Fig. 5. Diagrammatic sketch of double ray interference spectrometer CATSI
Fig. 6. Optical principle of rotating mirror interference spectrometer
Fig. 7. Schematic diagram of overspeed scanning interferometer
Fig. 8. Ultra-rapid-scanning imaging interferometer
Fig. 9. Optical principle of Michelson interferometer based on rotating mirror
Fig. 10. Spatial modulation interference spectral imager based on Sagnac transverse shear beam splitter
Fig. 11. Optical principle of the DASI
Fig. 12. Structure diagram of interference spectral imager carried on Chang'e-1
Fig. 13. Spectral image of an area on the lunar surface obtained by interference spectral imager carried on Chang'e-1
Fig. 14. Structure diagram of EDMIS
Fig. 15. Three dimensional data cube of ground object obtained by EDIS
Fig. 16. Schematic diagram of basic optical principle of spatial heterodyne spectral imaging technology
Fig. 17. Differential interferometer and Doppler differential interferometer with different spectral bands
Fig. 18. Sketch map of working principle of multistage micro-step mirror interference spectrometer
Fig. 19. The structure diagram of ALISEO
Fig. 20. Structure diagram of static interference imager
Fig. 21. Structure diagram of LWIR HSI
Fig. 22. Schematic diagram of LASIS based on spatiotemporal joint modulation interferometric spectral imaging technology
Fig. 23. Structure diagram of visible near infrared and shortwave infrared hyperspectral imager of the HJ-2A/B satellites
Fig. 24. Pseudo color three dimensional data cube obtained by HJ-2A/B within visible to near infrared spectral range
Fig. 25. Pseudo color three dimensional data cube obtained by HJ-2A/B within the short wave infrared spectral range
Fig. 26. Schematic diagram of optical principle of SPIIS
Fig. 27. Schematic diagram of optical principle of USPIIS
Fig. 28. Schematic diagram of optical principle of SLPIIS
Parameter | Value |
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Orbit altitude/km | 650 | Width/km | 50 | Spectral range/μm | 0.45~0.95 | Number of channele | 115 | Average spectral resolution/nm | 4.57 | Spatial resolution/m | 100 | Field of view/(º) | -30~+30 | Semaphore/bit | 12 | Spectral signal to noise ratio | ˃50 | MTF | 0.24 | Radiometric calibration accuracy | Relative value 2.4%,Absolute value8.2% | Raw data rate/Mbps | 107.8 | Compressed data rate/bps | 65.7 | Mass/kg | 50.78 | Power/W | Short-term54.6,long-term15 | Service life/year | 3 |
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Table 1. Main technical specification of interferometer