Simulation of the Scintillation Index of Plane Wave Propagating through General Non-Kolmogorov Atmospheric Turbulence Path

Yujie, 李玉杰 Li; Wenyue, 朱文越 Zhu; Xianmei, 钱仙妹 Qian; Ruizhong, 饶瑞中 Rao

doi:10.3788/aos201535.0701004

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Scintillation Index1

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“…Some past studies have shown that the scintillation index and the refraction structure parameter C 2 n have a numerical relationship [32], such as that seen in weak turbulence conditions, as follows:…”

Section: Scintillation Indexmentioning

confidence: 99%

A Preliminary Study on the Inversion Method for the Refraction Structure Parameter from Vortex Electromagnetic Waves

et al. 2023

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When vortex electromagnetic waves propagate through a turbulent atmosphere, the amplitude and phase of the electromagnetic waves are disturbed, creating the scintillation effect. According to the scintillation index of vortex waves, a new method of retrieving the turbulent refraction structure parameter was proposed using a genetic algorithm, and the feasibility of this method was verified by simulated experiments. The numerical results showed that the inversed value obtained by the genetic algorithm was close to the real parameter when the turbulent inner scale and outer scale were fixed. However, there was a gap between the inversed value and the real parameter when only the turbulent outer scale was fixed. These results suggest that vortex wave data can be used for turbulent refraction structure parameter inversion, and they provide new research directions for atmospheric remote sensing.

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Section: Scintillation Indexmentioning

confidence: 99%