谐变水平电偶极子在四分层媒质中的电磁波
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摘要
采用对电磁场的Hertz矢量势作柱面波展开的方法,导出了谐变水平电偶极子在四分层媒质中激发的电磁波满足复场量的Maxwel方程组的积分形式解.该结果对于探讨地震前兆电磁波的产生和传播有参考价值.
It is presented that a time-harmanic horizontal electric dipole under the ground is assumed to be warning electromagnetic signal-source before a seism,the earth is considered to be three-layered dissipative linear media,solving Maxwellis equations for fields of the dipole by means of expanting Hertz-vector potential of the field into Fourier-Bessel integrals,so integral-formal solutions of the electromagnetic field genernated by a horizontal electric dipole are derived,respectively,in a four-layered rigion. It is considered probable that these results are possessed of some referece merit for research of generation and propagation of warning electromagnetic waves before a seism.
引文
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