Infrared radiation target characteristics of six rotors UAV

Zhenhua Wang; Xingdong Bao; Hongxia Mao; Tao Zhao; Sihui Wang

doi:10.1117/12.2586216

12 March 2021 Infrared radiation target characteristics of six rotors UAV

Zhenhua Wang, Xingdong Bao, Hongxia Mao, Tao Zhao, Sihui Wang

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 1176317 (2021) https://doi.org/10.1117/12.2586216
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

In order to study the infrared target characteristics of "low slow small" aircraft, the infrared target characteristics of six rotors unmanned aerial vehicle (UAV) are studied by numerical calculation. Considering the aerodynamic heating effect of rotor, and the radiation effect of the sun and the earth's atmosphere on the target, the changes of the target's radiation intensity in the three infrared bands of 1 ~ 3 μ m, 3 ~ 5 μ m, 8 ~ 12 μ m at night and in the daytime are studied under different observation angles. The results show that in the medium / long wave band, the target's infrared radiation mainly comes from the reflection of its own radiation and the earth's atmosphere, so its radiation characteristics change little in the daytime and at night, while for the short wave, the target's radiation intensity in the daytime is greater than that in the evening; the target's radiation intensity is directly related to the observation area, and the radiation intensity is the smallest in the positive and lateral observation, while the radiation intensity in the upward and The radiation intensity is the highest when looking down.

Citation Download Citation

Zhenhua Wang, Xingdong Bao, Hongxia Mao, Tao Zhao, and Sihui Wang "Infrared radiation target characteristics of six rotors UAV", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 1176317 (12 March 2021); https://doi.org/10.1117/12.2586216

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