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Numerical model for the temporal broadening of optical pulses propagating through weak atmospheric turbulence

机译:通过弱大气湍流传播的光脉冲的时间展宽的数值模型

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摘要

In atmospheric optical communications, propagating pulses may be influenced by pulse spreading owing to turbulence, above all in scenarios characterized by sand and/or dust atmosphere. The long-term temporal broadening of a space–time Gaussian pulse propagating along a horizontal path through weak optical turbulence is modeled by the behavior of a Gaussian filter, where its cutoff frequency is related to the physical parameters of the link. Thus, it could be incorporated in a direct way to a numerical simulation model.
机译:在大气光通信中,传播的脉冲可能会由于湍流而受到脉冲扩展的影响,尤其是在以沙尘和/或尘埃为特征的场景中。高斯滤波器的行为模拟了沿水平路径通过弱光学湍流传播的时空高斯脉冲的长期时间展宽,该滤波器的截止频率与链路的物理参数有关。因此,可以直接将其合并到数值模拟模型中。

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