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水平电偶极子在三层媒质中激发的电磁场
ELECTROMAGNETIC FIELD OF A HORIZONTAL ELECTRIC DIPOLE IN THREE-LAYERED MEDIA
【摘要】 本文将地震前兆电磁源看成谐变水平电偶极子,将地而以下视为两层有耗散的线性煤质,采用对赫兹矢量势作柱面波展开的方法求解麦克斯韦方程组,从而得出了地下水平电偶极子在各层媒质中激发的电磁场的积分形式解。
【Abstract】 It is presented in this paper that a time-barmanic horizontal electricdipole under the ground is assumed to be the warning electromagnetic source before aseism, and that the earth is considered to be two-layered dissipative linear medium. SolvingMaxwell’s equations by means of expanding Hertz-vector potential into Fourier-Bessel integral, the formal solutions of electromagnetic field generated a horizontal electric dipole arederived, respectively, in three-layered redion.
【关键词】 水平电偶极子;
分层媒质;
赫兹矢量势;
震前电磁波;
【Key words】 horizontal electrie dipole layered media Hertz-vector potential electromagnetic wave before a seism;
【Key words】 horizontal electrie dipole layered media Hertz-vector potential electromagnetic wave before a seism;
【基金】 国家自然科学基金
- 【文献出处】 云南师范大学学报(自然科学版) ,JOURNAL OF YUNNAN NORMAL UNIVERSITY (NATURAL SCIENCES EDITION) , 编辑部邮箱 ,1996年01期
- 【分类号】P315.61
- 【被引频次】2
- 【下载频次】148