2 GHZ electromagnetic crystal reflector antenna

D. Kim; M. Kim; H. Xin; J. Hacker

doi:10.1049/el:20030731

2 GHZ electromagnetic crystal reflector antenna

D. Kim, M. Kim, H. Xin, J. Hacker

School of Electrical Engineering

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

Abstract

The radiation pattern of a monopole antenna with a small electromagnetic crystal (EMXT) reflector was investigated. High frequency structure simulations predict a considerable amount of near-field shielding with undisturbed antenna impedance matching when a perfect magnetic conductor reflector is positioned near the monopole. The pattern distortion created by the reflector gradually decreases, reaching a minimum in the far field. Experimental results show the monopole with an EMXT reflector. λ₀/4 × λ ₀/2 in size, produces a radiation pattern with a front-to-back ratio of 10.8 and 5.7 dB in the near and far fields, respectively.

Original language	English
Pages (from-to)	1096-1098
Number of pages	3
Journal	Electronics Letters
Volume	39
Issue number	15
DOIs	https://doi.org/10.1049/el:20030731
Publication status	Published - 2003 Jul 24

ASJC Scopus subject areas

Electrical and Electronic Engineering

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abstract = "The radiation pattern of a monopole antenna with a small electromagnetic crystal (EMXT) reflector was investigated. High frequency structure simulations predict a considerable amount of near-field shielding with undisturbed antenna impedance matching when a perfect magnetic conductor reflector is positioned near the monopole. The pattern distortion created by the reflector gradually decreases, reaching a minimum in the far field. Experimental results show the monopole with an EMXT reflector. λ0/4 × λ 0/2 in size, produces a radiation pattern with a front-to-back ratio of 10.8 and 5.7 dB in the near and far fields, respectively.",

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AU - Kim, D.

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AU - Xin, H.

AU - Hacker, J.

PY - 2003/7/24

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N2 - The radiation pattern of a monopole antenna with a small electromagnetic crystal (EMXT) reflector was investigated. High frequency structure simulations predict a considerable amount of near-field shielding with undisturbed antenna impedance matching when a perfect magnetic conductor reflector is positioned near the monopole. The pattern distortion created by the reflector gradually decreases, reaching a minimum in the far field. Experimental results show the monopole with an EMXT reflector. λ0/4 × λ 0/2 in size, produces a radiation pattern with a front-to-back ratio of 10.8 and 5.7 dB in the near and far fields, respectively.

AB - The radiation pattern of a monopole antenna with a small electromagnetic crystal (EMXT) reflector was investigated. High frequency structure simulations predict a considerable amount of near-field shielding with undisturbed antenna impedance matching when a perfect magnetic conductor reflector is positioned near the monopole. The pattern distortion created by the reflector gradually decreases, reaching a minimum in the far field. Experimental results show the monopole with an EMXT reflector. λ0/4 × λ 0/2 in size, produces a radiation pattern with a front-to-back ratio of 10.8 and 5.7 dB in the near and far fields, respectively.

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JF - Electronics Letters

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2 GHZ electromagnetic crystal reflector antenna

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