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改进的一维分形海面模型在分层海面电磁波透射问题中的应用
  • ISSN号：1001-6392
  • 期刊名称：《海洋通报》
  • 时间：0
  • 分类：TN011[电子电信—物理电子学]
  • 作者机构：[1]西安电子科技大学理学院,陕西西安710071, [2]延安大学物理与电子信息学院,陕西延安716000
  • 相关基金：国家自然科学基金（60571058）;高等学校博士学科点专项科研基金（20070701010）
作者： 任新成[1,2], 郭立新[1]
关键词： 电磁波透射, 微扰法, 一维分形海面模型, 分层海面, 透射系数, electromagnetic wave transmission, the Small Perturbation Method, 1 D improved fractal sea surface model, the stratified sea surface, transmission coefficient
中文摘要：

运用微扰法研究了平面波入射分层介质粗糙面的电磁波透射问题，采用改进的一维分形海面模型模拟实际的分层海面，推导出了平面波入射时的透射系数计算公式。通过数值计算得到了HH极化透射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对透射系数的影响，得到改进的一维分形分层海面透射系数的基本特征、分区特征和随频率变化的特征，结果表明透射系数近似具有“量子化”特征。

英文摘要：

The electromagnetic scattering from the rough surface of layered medium with plane wave incidence is investigated and the formulae of the transmission coefficient from stratified sea surface with an improved 1D fractal model is derived by using the small perturbation method. The angular distribution of the transmission coefficient of HH polarization are obtained by numerical implementation, the influence of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the transmission coefficient is discussed. The basic characteristics, the zonal characteristics and the characteristics with varying frequency of the transmission coefficient from stratified sea surface are obtained. The numerical results show that the transmission coefficient has ＂quantization＂ characteristics approximatively.

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期刊信息
  • 《海洋通报》
  • 中国科技核心期刊
  • 主管单位:国家海洋局
  • 主办单位:国家海洋信息中心 国家海洋局北海分局 国家海洋局东海分局 国家海洋局南海分局
  • 主编：方国洪
  • 地址：天津市河东区六纬路93号
  • 邮编：300171
  • 邮箱：hytb@mail.nmdis.gov.cn
  • 电话：022-24010823
  • 国际标准刊号：ISSN：1001-6392
  • 国内统一刊号：ISSN：12-1076/P
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,英国动物学记录,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:10700