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Temporal frequency spread of optical waves propagating in anisotropic maritime atmospheric turbulence

机译:各向异性海域大气湍流中传播光波的时间频率扩展

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摘要

Recently, the analytical expressions for the atmospheric-induced frequency spreads of optical waves propagating in anisotropic atmosphere turbulence were derived in our work. Meanwhile, more research also draws on the theoretical survey of maritime atmospheric turbulence. In this paper, the new expressions for the temporal frequency spreads of plane and spherical waves propagating in anisotropic maritime atmospheric turbulence are derived. Based on the new expressions obtained, the combined effects of the power law exponent, turbulence strength, turbulence scales, and the anisotropic parameter are evaluated. The analytical simulation results show that the turbulence strength and the anisotropic parameter significantly affect the curves of the temporal frequency spread. Furthermore, it is important to note that the temporal frequency spreads of optical waves in the anisotropic maritime turbulence and the terrestrial turbulence become almost identical as the value of the anisotropic parameter goes beyond five. (C) 2019 Optical Society of America
机译:最近,在我们的工作中得出了在各向异性气氛湍流中传播的光波的大气引起的频率扩展的分析表达。同时,更多的研究还借鉴了海上大气湍流的理论调查。在本文中,推导出在各向异性海洋大气湍流中传播的平面和球波的时间频率差的新表达。基于获得的新表达式,评估了电力指数,湍流强度,湍流尺度和各向异性参数的组合效应。分析模拟结果表明,湍流强度和各向异性参数显着影响时间频率扩散的曲线。此外,重要的是要注意,由于各向异性参数的值超出五个,因此各向异性海上湍流和地面湍流中的光波中的光波的时间频率差异几乎相同。 (c)2019年光学学会

著录项

  • 来源
    《Applied optics》 |2019年第11期|共7页
  • 作者

    Guan Bing; Choi Jaeho;

  • 作者单位

    Eastern Liaoning Univ Dept Informat Engn Dandong 118003 Peoples R China;

    Chonbuk Natl Univ CAIIT Dept Elect Engn Chonju 561756 South Korea;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用;
  • 关键词

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