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

Seung Yeup Hyun; Se Yun Kim; Young Sik Kim

doi:10.1109/TAP.2008.2009650

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

Seung Yeup Hyun, Se Yun Kim, Young Sik Kim

Honorary professors

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

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.

Original language	English
Pages (from-to)	161-167
Number of pages	7
Journal	IEEE Transactions on Antennas and Propagation
Volume	57
Issue number	1
DOIs	https://doi.org/10.1109/TAP.2008.2009650
Publication status	Published - 2009

Keywords

Antenna feed
Equivalent feed model
Finite-difference time-domain (FDTD)
Magnetic-frill current

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TAP.2008.2009650

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

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.",

keywords = "Antenna feed, Equivalent feed model, Finite-difference time-domain (FDTD), Magnetic-frill current",

author = "Hyun, {Seung Yeup} and Kim, {Se Yun} and Kim, {Young Sik}",

note = "Funding Information: Manuscript received August 01, 2007; revised May 08, 2008. Current version published March 04, 2009. This work was supported in part by the Korean Department of Commerce, Industry and Energy under Grant 10023090 and in part by the Korea Institute of Science and Technology under Contract 2E20730.",

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AB - 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.

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