Pulsed Electromagnetic Field Transmission through a Small Rectangular Aperture: A Solution Based on the Cagniard-DeHoop Method of Moments

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algorithms1500216.pdf(546.32 KB)
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2022-06-20
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MDPI
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Abstract
Pulsed electromagnetic (EM) field transmission through a relatively small rectangular aperture is analyzed with the aid of the Cagniard-deHoop method of moments (CdH-MoM). The classic EM scattering problem is formulated using the EM reciprocity theorem of the time-convolution type. The resulting TD reciprocity relation is then, under the assumption of piecewise-linear, space-time magnetic-current distribution over the aperture, cast analytically into the form of discrete time-convolution equations. The latter equations are subsequently solved via a stable marching-on-in-time scheme. Illustrative examples are presented and validated using a 3D numerical EM tool.
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computational electromagnetics, numerical analysis, electromagnetic transient scattering, time domain, Cagniard-DeHoop technique, Cagniard-DeHoop method of moments
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Algorithms. 2022, vol. 15, issue 6, p. 1-12.
https://www.mdpi.com/1999-4893/15/6/216
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International
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DOI
10.3390/a15060216
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http://hdl.handle.net/11012/208153
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