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以激光信号在传输介质中的布里渊散射频移量模型为基础,依据相关大气数据建立基于布里渊散射信号检测的大气探测模型。该模型中布里渊频移量只与大气高度相关,详细描述了低空大气范围内布里渊频移量的连续分布状态。结果表明在086 km的海拔高度范围内,大气的布里渊散射频移量分布在1.01.3 GHz之间。与有关数据相比,该模型与实际情况非常符合,同时具有很好的连续性和普适性。
Based on the Brillouin scattering frequency shift model of the laser signal in the transmission medium, an atmospheric detection model based on Brillouin scattering signal detection is established based on the relevant atmospheric data. In this model, the Brillouin frequency shift is only related to the atmospheric height, and the continuous distribution of the Brillouin frequency shift in the low-altitude atmosphere is described in detail. The results show that the frequency of Brillouin scattering in the atmosphere is distributed between 1.01.3 GHz at an altitude of 086 km. Compared with the relevant data, the model is in good agreement with the actual situation, and has good continuity and universality.