On bandwidth maximization of fixed-geometry arrays through convex programming

We propose a new approach to solve the problem of optimal power synthesis of array antennas, so that maximum possible bandwidth can be granted to fixed sidelobe-level performances. The proposed approach can be applied to any kind of fixed-geometry array that radiates pencil beams and to linear equis...

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Vydané v:Journal of electromagnetic waves and applications Ročník 34; číslo 5; s. 581 - 600
Hlavní autori: Bui, L. T. P., Anselmi, N., Isernia, T., Rocca, P., Morabito, A. F.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Taylor & Francis 23.03.2020
Predmet:
Array optimization
power synthesis
UWB antennas
ISSN:0920-5071, 1569-3937
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Shrnutí:We propose a new approach to solve the problem of optimal power synthesis of array antennas, so that maximum possible bandwidth can be granted to fixed sidelobe-level performances. The proposed approach can be applied to any kind of fixed-geometry array that radiates pencil beams and to linear equispaced arrays that generate shaped patterns. The designing problem is cast as a sequence of Convex Programming optimizations. Numerous numerical experiments, including full-wave synthesis of realistic antennas, were carried out and their results discussed here to assess the array antennas' capability of achieving ultra-wideband performances.
ISSN:0920-5071
1569-3937
DOI:10.1080/09205071.2020.1724832