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2020-04-14
On the EM Field Generated in the Air-Space by a Vertical Magnetic Dipole Situated on a Plane Conducting Medium
By
Progress In Electromagnetics Research M, Vol. 91, 135-142, 2020
Abstract
This work presents a hybrid analytical-numerical approach to evaluate the integral representations for the time-harmonic electromagnetic (EM) field components produced in the air space by a vertical magnetic dipole (VMD) placed on a plane homogeneous conducting medium. Explicit expressions for the fields are derived by substituting a rational approximation, generated by the vector fitting algorithm, for the non-analytic part of the integrand of the electric vector potential. This permits to rewrite the representation for the electric vector potential as a combination of simple closed-contour integrals around the pole singularities of the rational approximation, which may be directly evaluated. As a result, each field component is given as a sum of cylindrical Hankel functions depending on the radial distance between source and field points, plus an exponential term that is a function of the total distance of the field point from the dipole.
Citation
Marcello Salis Marco Muzi , "On the EM Field Generated in the Air-Space by a Vertical Magnetic Dipole Situated on a Plane Conducting Medium," Progress In Electromagnetics Research M, Vol. 91, 135-142, 2020.
doi:10.2528/PIERM20012005
http://www.jpier.org/PIERM/pier.php?paper=20012005
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