Electromagnetic field over the spherical Earth coated with N-layered dielectric

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The electromagnetic field in the air generated by a dipole source over an electrically spherical Earth coated with n-layered dielectric is determined for continuous-wave excitation. The region of interest consists of the spherical dielectric Earth, coated with the dielectric layer composing a succession of n spherically bounded layer under the air. In this paper, the surface impedance at any point in the n-layered dielectric for the electromagnetic field of electric type is presented, and the formulas are derived for the electromagnetic field in the air of a vertical electric dipole. Similarly, the surface admittance for the electromagnetic field of magnetic type is presented, and the formulas are derived for the electromagnetic field of a vertical magnetic dipole. Based on the above results, using reciprocity theorem, the formulas are derived readily for the six components of the electromagnetic field generated by a horizontal electric dipole.
Publisher
AMER GEOPHYSICAL UNION
Issue Date
2004-03
Language
English
Article Type
Article
Keywords

VERTICAL ELECTRIC-DIPOLE; 3-LAYERED REGION; KING,RONOLD,W.P.

Citation

RADIO SCIENCE, v.39, pp.289 - 299

ISSN
0048-6604
DOI
10.1029/2002RS002771
URI
http://hdl.handle.net/10203/83767
Appears in Collection
EE-Journal Papers(저널논문)
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