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Modeling of ultraviolet scattering propagation and its applicability analysis

机译:紫外散射传播建模及其适用性分析

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摘要

The existing ultraviolet (UV) single scattering models do not incorporate the applicability of transceiver geometry, which makes them have certain errors even in short-range cases. To solve this issue, we propose a single scattering model in this Letter, which is suitable for the case where the transceiver field of view is above ground. This meets the requirements of general UV communication. For tractable analysis, we utilize the number of intersections between special rays on a transceiver cone to classify communication scenarios. Calculation results show that when the transceiver elevation angle exceeds certain values, the path loss difference between the single scattering model and Monte Carlo simulation model increases rapidly, which implies that single scattering approximation is not applicable to these conditions even in short-range cases. This work presents a new way to obtain the path loss of the UV channel and provides guidelines for experimental system design. (C) 2019 Optical Society of America
机译:现有的紫外线(UV)单散射模型不纳入收发器几何形状的适用性,即使在短程情况下也使它们具有某些误差。为了解决这个问题,我们在这封信中提出了一个散射模型,这适用于收发器视野在地上的情况。这符合通用UV通信的要求。对于易于分析,我们利用收发器锥上的特殊光线之间的交叉口数来分类通信场景。计算结果表明,当收发器高程角度超过某些值时,单次散射模型和蒙特卡罗模拟模型之间的路径损耗差异迅速增加,这意味着即使在短程情况下也不适用于这些条件的单一散射近似。这项工作提出了一种新的方法来获得紫外线通道的路径损失,并提供实验系统设计的指导。 (c)2019年光学学会

著录项

  • 来源
    《Optics Letters》 |2019年第20期|共4页
  • 作者单位

    Tsinghua Univ Dept Precis Instrument Beijing 100084 Peoples R China;

    Tsinghua Univ Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Dept Precis Instrument Beijing 100084 Peoples R China;

    Tsinghua Univ Dept Precis Instrument Beijing 100084 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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