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分形分层粗糙面电磁波透射特性的混合算法
  • ISSN号：1001-246X
  • 期刊名称：《计算物理》
  • 时间：0
  • 分类：TN011[电子电信—物理电子学]
  • 作者机构：[1]延安大学物理与电子信息学院,延安716000, [2]西安电子科技大学理学院,西安710071
  • 相关基金：国家自然科学基金（60971067）; 中国博士后科学基金（20090461284）; 陕西省教育厅科技计划（11JK0554）; 延安市科技计划（2010kg-07）资助项目
作者： 田炜[1], 任新成[1], 郭立新[2]
关键词： 电磁波透射, 一维带限Weierstrass分形粗糙面, 混合算法, 矩量法, electromagnetic wave transmission, 1D band-limited Weierstrass fractal rough surface, hybrid method, method of moment（ MoM ）
中文摘要：

运用基于矩量法（method of moment,MoM）结合基尔霍夫近似（Kirchhoff approximation,KA）的混合算法研究一维带限Weierstrass分形分层介质粗糙面的电磁波透射问题.在混合算法中将上层粗糙面和下层粗糙面分别划分到MoM区域和KA区域,数值计算得到透射系数随透射波的散射角的变化,讨论粗糙面分维数、高度起伏均方根、底层介质介电常数、中间层介质介电常数和厚度、入射波频率对透射系数的影响,结果表明上层粗糙面参数对透射系数有显著影响,而下层粗糙面参数对透射系数影响较小.

英文摘要：

Electromagnetic wave transmission through 1D band-limited Weierstrass fractal rough surfaces of layered medium is investigated with a hybrid method based on method of moment （MoM） and Kirchhoff approximation （KA）. The upper rough surface and the under rough surface are divided into MoM region and KA region, respectively. Transmission coefficient as a function of scattering angle of transmission wave is obtained. Influences of fractal dimension, height root mean square, permittivity of substrate medium, permittivity and mean layer thickness of intermediate medium, frequency of incident wave on transmission coefficient are discussed. It shows that transmission coefficient is affected by parameters of upper rough surface considerably.

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期刊信息
  • 《计算物理》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国核学会
  • 主编：朱少平
  • 地址：北京海淀区丰豪东路2号北京应用物理与计算数学研究所
  • 邮编：100094
  • 邮箱：jswl@iapcm.ac.cn
  • 电话：010-59872547 59872545 59872547
  • 国际标准刊号：ISSN：1001-246X
  • 国内统一刊号：ISSN：11-2011/O4
  • 邮发代号:2-477
  • 获奖情况:
  • 1992年获“全优期刊”奖,《CAJ-CD规范》执行优秀奖
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,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:4426