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International Journal of Antennas and Propagation
Volume 2015 (2015), Article ID 187806, 8 pages
http://dx.doi.org/10.1155/2015/187806
Research Article

On the Surface Fields of a Small Circular Loop Antenna Placed on Plane Stratified Earth

Faculty of Engineering, University Campus Bio-Medico of Rome, 00128 Rome, Italy

Received 29 July 2015; Accepted 8 October 2015

Academic Editor: Jun Hu

Copyright © 2015 Mauro Parise. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

An analytical method is presented which makes it possible to derive exact explicit expressions for the time-harmonic surface fields excited by a small circular loop antenna placed on the top surface of plane layered earth. The developed procedure leads to casting the complete integral representations for the EM field components into forms suitable for application of Cauchy’s integral formula. As a result, the surface fields are expressed as sums of Hankel functions. Numerical simulations are performed to show the validity and accuracy of the proposed solution.