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Metrology and Measurement Systems

The Journal of Committee on Metrology and Scientific Instrumentation of Polish Academy of Sciences

4 Issues per year


IMPACT FACTOR 2016: 1.598

CiteScore 2016: 1.58

SCImago Journal Rank (SJR) 2016: 0.460
Source Normalized Impact per Paper (SNIP) 2016: 1.228

Open Access
Online
ISSN
2300-1941
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Volume 23, Issue 4

Issues

On Rapid Re-Design of UWB Antennas with Respect to Substrate Permittivity

Slawomir Koziel
  • Corresponding author
  • Reykjavík University, School of Science and Engineering, Menntavegur 1, 101 Reykjavík, Iceland
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  • Other articles by this author:
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/ Adrian Bekasiewicz
Published Online: 2016-12-13 | DOI: https://doi.org/10.1515/mms-2016-0051

Abstract

Re-design of a given antenna structure for various substrates is a practically important issue yet non trivial, particularly for wideband and ultra-wideband antennas. In this work, a technique for expedited redesign of ultra-wideband antennas for various substrates is presented. The proposed approach is based on inverse surrogate modeling with the scaling model constructed for several reference designs that are optimized for selected values of the substrate permittivity. The surrogate is set up at the level of coarse-discretization EM simulation model of the antenna and, subsequently, corrected to provide prediction at the high-fidelity EM model level. The dimensions of the antenna scaled to any substrate permittivity within the region of validity of the surrogate are obtained instantly, without any additional EM simulation necessary. The proposed approach is demonstrated using an ultra-wideband monopole with the permittivity scaling range from 2.2 to 4.5. Numerical validation is supported by physical measurements of the fabricated prototypes of the re-designed antennas.

Keywords: antenna design; geometry scaling; simulation-driven optimization; surrogate modeling; inverse modeling; substrate properties

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About the article

Received: 2016-05-31

Accepted: 2016-07-09

Published Online: 2016-12-13

Published in Print: 2016-12-01


Citation Information: Metrology and Measurement Systems, Volume 23, Issue 4, Pages 513–520, ISSN (Online) 2300-1941, DOI: https://doi.org/10.1515/mms-2016-0051.

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© Polish Academy of Sciences. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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