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

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- 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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