低频非均匀电磁波在导电界面的反射相角

山东大学学报(工学版)

低频非均匀电磁波在导电界面的反射相角

张永花¹，王安玲²，刘福平²

1.日照职业技术学院机电工程系，山东日照276800；2.北京印刷学院基础部，北京102600

收稿日期:2005-12-16 修回日期:1900-01-01 出版日期:2006-04-24 发布日期:2006-04-24
通讯作者: 张永花

The reflected phase angle of low frequent inhomogeneous

ZHANG Yong-hua¹，WANG An-ling²，LIU Fu-ping²

1．Department of Machinery and Electronics Engineering，Rizhao Professional and Technical College, Rizhao 276800,China；2． Department of Basic Courses，Beijing Institute of GraphicCommunication, Beijing 102600,China

Received:2005-12-16 Revised:1900-01-01 Online:2006-04-24 Published:2006-04-24
Contact: ZHANG Yong-hua

摘要/Abstract

摘要： 基于非均匀电磁波在导电媒质中传播时其相移常数和振幅衰减方向的不一致性，根据电磁场边值关系建立了导电介质中电磁波的相移常数向量和振幅衰减向量方向的定量关系，实现了将相移常数向量和振幅衰减向量的两个方向统一用一个角度表示. 对于低频非均匀平面电磁波，给出了满足低频条件的低频非均匀电磁波在导电界面反射时的反射系数，利用低频非均匀电磁波在导电界面的反射系数导出了电场偏振化方向在入射面内和垂直于入射面的电磁波在导电界面的反射相角，确立了低频非均匀电磁波反射附加相角随入射角的变化关系. 由此发现：入射角在0°到90°范围内非均匀电磁波的反射波都存在附加相角，这与反射光的反射附加相角存在较大的差异.

关键词: 低频电磁波, 相移角, 反射系数

Abstract: Basing on the difference of directions between the direction of phase shift constant and direction of amplitude attenuation when the electromagnetic wave propagates in conductive medium, and using the boundary conditions of electromagnetic wave at the interface of conductive media, we set up the formulae of directional relations between the direction of phase shift constant and direction of amplitude attenuation, and realize that two directions of phase shift constant and amplitude attenuation are expressed with one incident angle. For low frequent inhomogeneous reflected electromagnetic wave(LIREW), we give the reflection coefficient on the interface of conductive media, derive the reflected phase angles for the polarizing direction of electric field parallel and perpendicular to the incident plane by the reflection coefficient, and establish relation expression of reflected phase shift with the incident angle. From the results we can find that there are the phase shifts in all incident angles that are form 0° to 90°, which are great difference with phase shifts of total reflected light.

Key words: inhomogeneous electromagnetic wave, reflected coefficient , reflected phase angle

中图分类号:

TN011

张永花,王安玲,刘福平 . 低频非均匀电磁波在导电界面的反射相角[J]. 山东大学学报(工学版), 2006, 36(2): 22-25 .

ZHANG Yong-hua,WANG An-ling,LIU Fu-ping . The reflected phase angle of low frequent inhomogeneous[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2006, 36(2): 22-25 .

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