Xiao Yang, Qinglin Niu, Zhihong He, Shikui Dong. Analysis of Infrared Radiation Characteristics and Detectability of HTV-2-like Hypersonic Gliding Aircrafts[J]. Acta Optica Sinica, 2017, 37(12): 1204001
- Acta Optica Sinica
- Vol. 37, Issue 12, 1204001 (2017)
Fig. 1. Geometric structure of HTV-2-like gliding aircraft
Fig. 2. Diagrams of flight speed and altitude of HTV-2 gliding aircraft
Fig. 3. Diagram of heat-flux at surface
Fig. 4. Computational mesh
Fig. 5. Surface temperature comparison
Fig. 6. Surface temperature distributions of HTV-2-like aircraft at altitudes of (a) 30 km and (b) 50 km
Fig. 7. Diagram of observation angle
Fig. 8. Spectral radiation intensity distribution at different observation directions
Fig. 9. Total radiation intensities in different observation plane bands. (a) 3-5 μm; (b) 8-12 μm
Fig. 10. Diagram of observation plane
Fig. 11. Total radiation intensities in 3-5 μm band under different flight heights in YOZ plane
Fig. 12. Detection diagram of ground-based platform
Fig. 13. Target radiation intensity with or without atmospheric attenuation and background radiation intensity
Fig. 14. Detection diagram of floating platform
Fig. 15. Target radiant intensities with/without atmospheric attenuation and background radiation intensity
Fig. 16. Detection diagram of space-based satellite
Fig. 17. Target radiation intensity with or without atmospheric attenuation and background radiation intensity
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Table 1. Working parameters
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Table 2. Maximum detection distance of ground-based platform
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Table 3. Maximum detection distance of floating platform
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Table 4. Maximum detection distances of space-based platform in medium, long and absorption wave bands
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