Zhen Huang, Lun Jiang, He Hu, Ming Zhang, Qi Li, Yansong Song, Keyan Dong. Analysis of Influence of Aerodynamic Heat Radiation on Infrared Imaging of Seeker in Supersonic State[J]. Laser & Optoelectronics Progress, 2023, 60(2): 0201001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 2, 0201001 (2023)
Fig. 1. Diagram of seeker model
Fig. 2. Seeker mesh model and its flow field grid model. (a) Mesh model; (b) flow field grid model
Fig. 3. Temperature map of seeker at different altitudes after flying for 10 s. (a) 2 km; (b) 11 km; (c) 20 km
Fig. 4. Maximum temperature of optical window varying with time of flight
Fig. 5. Simulation diagrams of detector irradiance for 10 s flight of seeker. (a) 2 km altitude detector irradiance map; (b) 11 km detector irradiance map; (c) 20 km detector irradiance map
Fig. 6. Change trend of maximum irradiance of detector's receiving surface within 10 s of seeker's flight
Fig. 7. Distorted images of simulation target
Fig. 8. Variation of signal-to-noise ratio with flight time
Fig. 9. Variation of signal-to-noise ratio with detection distance
|
Table 1. Boundary conditions of external flow field
|
Table 2. Optical system parameters
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20