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A Closed-Form Solution for ELF Radiated Fields of a Line-Current Antenna in Earth-Ionosphere Waveguide

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3 Author(s)
Chao Liu ; Electron. Eng. Coll., Naval Univ. of Eng., Wuhan, China ; Long-Gen Zheng ; Yong-Pin Li

The empirical formulas for extremely low frequency (ELF) radiated fields of a line-current antenna grounding at each end in the Earth-ionosphere waveguide have been given in some literatures. But the derivation of the radiated fields in spherical waveguide is mathematically not strict. In this paper, a scalar wave function is used in mode theory of wave propagation to closely solve ELF radiated field of a vertical electric dipole (VED) located in the spherical Earth-ionosphere waveguide. The closed-form formulas for the radiated fields of a line-current antenna grounding at each end are obtained by an application of the reciprocity theorem.

Published in:

2009 5th International Conference on Wireless Communications, Networking and Mobile Computing

Date of Conference:

24-26 Sept. 2009