Kun Yu, Yuhan Duan, Mingyu Cong, Wencong Dai. Optimal calculation method of aircraft infrared physical imaging simulation[J]. Infrared and Laser Engineering, 2021, 50(4): 20200241
- Infrared and Laser Engineering
- Vol. 50, Issue 4, 20200241 (2021)
Fig. 1. Schematic diagram of aircraft infrared imaging radiance transmission
Fig. 2. Flow chart of direct lighting reflection radiance calculation using multi-importance sampling
Fig. 3. Sampling distance distribution of line-of-sight transmittance sampling
Fig. 4. Schematic diagram of path radiance integral calculation based on line integration method
Fig. 5. Flow chart of exhaust plume radiance calculation using combining integration method
Fig. 6. Calculation relative errors of emissive radiation intensity experiments of skin
Fig. 7. Calculation relative errors of reflective radiation intensity experiments of skin
Fig. 8. Reflective radiance simulation images of skin
Fig. 9. Calculation relative errors of emissive radiation intensity experiments of thick medium
Fig. 10. Calculation relative errors of emissive radiation intensity experiments of thin medium
Fig. 11. Emissive radiance simulation images of exhaust plume
Fig. 12. Simulation calculation results of stealth aircraft flow field
Fig. 13. Geometric relationship of stealth aircraft simulation imaging. (a) Ground-based detection scene; (b) Air-based detection scene; (c) Line of detection sight
Fig. 14. Simulation calculation results of infrared radiation intensity of stealth aircraft
Fig. 15. Infrared radiance simulation images of stealth aircraft
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Table 1. [in Chinese]
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Table 2. [in Chinese]
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Table 3. [in Chinese]
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