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Reduced-cost surrogate modeling of input characteristics and design optimization of dual-band antennas using response features

Abstrakt

In this article, a procedure for low-cost surrogate modeling of input characteristics of dual-band antennas has been discussed. The number of training data required for construction of an accurate model has been reduced by representing the antenna reflection response to the level of suitably defined feature points. The points are allocated to capture the critical features of the reflection characteristic, such as the frequencies and the levels of the resonances, and supplemented by the additions (infill) points, which is necessary to provide sufficient data that allows restoring the entire response through interpolation. Because the coordinates of the feature points exhibit less nonlinear behavior (as a function of antenna geometry parameters) compared to S-parameters as a function of frequency, surrogate model construction can be realized with a smaller number of data points. The presented modeling approach is demonstrated using an example of a planar dipole antenna. Also, the feature-based method is favorably compared to direct modeling of reflection characteristics using kriging. The relevance of the technique is further verified by its application for design optimization.

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Licencja

Copyright (2017 Wiley Periodicals, Inc)

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING nr 28, wydanie 2, strony 1 - 6,
ISSN: 1096-4290
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Kozieł S., Bekasiewicz A.: Reduced-cost surrogate modeling of input characteristics and design optimization of dual-band antennas using response features// INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING. -Vol. 28, iss. 2 (2018), s.1-6
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/mmce.21194
Weryfikacja:
Politechnika Gdańska

wyświetlono 12 razy

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