Laser Doppler spectra of cylinders and cones in its orbits

Yanxiang Liu; Yafei Wei; Mingjun Wang; Qiufeng Guo

doi:10.1117/12.2543371

18 December 2019 Laser Doppler spectra of cylinders and cones in its orbits

Yanxiang Liu, Yafei Wei, Mingjun Wang, Qiufeng Guo

Proceedings Volume 11341, AOPC 2019: Space Optics, Telescopes, and Instrumentation; 1134112 (2019) https://doi.org/10.1117/12.2543371
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

In this paper, we simulate cylindrical and conical aircraft’s Doppler spectra caused by its spin. The characteristics of Doppler shift spectra and backscattered power are analyzed when the reflectance of aircraft surface material is Lambert and exponential terms. The results show that the Doppler frequency shift is doubled as well as the radius is doubled with the same height. When the radius remains unchanged and the height increases, the backscattered power increases. Compared with the Lambertian case, the backscattered power in the exponential case decreases faster with the Doppler shift from the peak and increases faster with time. These findings results can be used to detect flying targets in space.

Citation Download Citation

Yanxiang Liu, Yafei Wei, Mingjun Wang, and Qiufeng Guo "Laser Doppler spectra of cylinders and cones in its orbits", Proc. SPIE 11341, AOPC 2019: Space Optics, Telescopes, and Instrumentation, 1134112 (18 December 2019); https://doi.org/10.1117/12.2543371

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