NDLI: Estimation of electromagnetic field in air by a magnetic dipole in the sea based on a current sheet model

Content Provider	IET Digital Library
Author	Wang, Honglei Yang, Kunde Zheng, Kun Yang, Yixin Ma, Yuanliang
Abstract	Considerable efforts have been made to investigate the electromagnetic (EM) field in air produced by a magnetic dipole in sea. The conventional methods for this investigation mostly involve complicated analysis of Sommerfeld-type integrals. To conveniently provide a meaningful physical explanation of the EM field radiation in a two-layered media, this study considers a current sheet at the sea-to-air interface created by an underwater magnetic dipole. This current behaves like an antenna located on the surface and creates a wave that propagates through the atmosphere. Analysis of this current sheet can take advantage of the Huygens–Fresnel principle. The results using this approach can be verified by previous calculation and experiments on the sea, and show good agreement with experimental data. The present approach, which involves simple algebra, can easily explain the physical aspect of the EM wave propagation across the sea-to-air interface.
Starting Page	709
Ending Page	718
Page Count	10
ISSN	17518725
Volume Number	10
e-ISSN	17518733
Issue Number	Issue 7, May (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/10/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2014.0809
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2016-05-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Air Algebra Current Sheet Model Electromagnetic Field Estimation Electromagnetic Wave Electromagnetic Wave Propagation EM Field EM Wave Propagation Graph Theory Huygens-Fresnel Principle Magnetic Dipole Sea Magnetic Dipole Sea-to-air Interface Set Theory Simple Algebra Sommerfeld-type Integrals Underwater Magnetic Dipole
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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