An equivalent feed model for the FDTD analysis of antennas driven through a ground plane by coaxial lines

Title
An equivalent feed model for the FDTD analysis of antennas driven through a ground plane by coaxial lines
Authors
현승엽김세윤김영식
Keywords
Antenna feed; equivalent feed model; finite-difference time-domain (FDTD); magnetic-frill current
Issue Date
2009-01
Publisher
IEEE transactions on antennas and propagation
Citation
VOL 57, NO 1, 161-167
Abstract
For the finite-difference time-domain (FDTD) analysis of antennas excited by coaxial lines, an equivalent model of the antenna feed is presented here. Under the quasi-static approximation, the coaxial aperture is simply represented as the equivalent magnetic-frill current and the equivalent load circuit including the effects of the coaxial line. It leads us to a simple modification of the standard FDTD update equation at the aperture without any additional cell modeling of the line. The validity of the proposed model is confirmed by comparing of the FDTD results and the measured data.
URI
http://pubs.kist.re.kr/handle/201004/40937
ISSN
0018-926X
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KIST Publication > Article
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