About: Electrically Small Spiral Transmission Line-Connected Triple-Arm Folded Monopole Antenna

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We proposed electrically small spiral transmission line-connected triple-arm monopole antenna of cylindrical geometry with circumscribing sphere of the electrical length ka = 0.44. The diameter of the antenna base is λ 0/10, and the monopole height is λ 0/20. EM simulation and analysis of radiation resistance as a function of number of monopoles is performed. It is shown that factor N2 appropriately takes into account increase of input resistance of parallel short monopoles even for their λ 0/10 distance. A prototype has been designed for frequency 3 GHz with ground plane size 1.4 x 1.4 λ 0 and provides relative bandwidth of 0.83 %, and measured efficiency of 81.7 %. Proposed structure is simple, and might be completely produced in single layer microstrip technology with linear vertical vias, potencially with additional air substrate layer to improve bandwidth as we present here. We proposed electrically small spiral transmission line-connected triple-arm monopole antenna of cylindrical geometry with circumscribing sphere of the electrical length ka = 0.44. The diameter of the antenna base is λ 0/10, and the monopole height is λ 0/20. EM simulation and analysis of radiation resistance as a function of number of monopoles is performed. It is shown that factor N2 appropriately takes into account increase of input resistance of parallel short monopoles even for their λ 0/10 distance. A prototype has been designed for frequency 3 GHz with ground plane size 1.4 x 1.4 λ 0 and provides relative bandwidth of 0.83 %, and measured efficiency of 81.7 %. Proposed structure is simple, and might be completely produced in single layer microstrip technology with linear vertical vias, potencially with additional air substrate layer to improve bandwidth as we present here. (en)
Title	Electrically Small Spiral Transmission Line-Connected Triple-Arm Folded Monopole Antenna Electrically Small Spiral Transmission Line-Connected Triple-Arm Folded Monopole Antenna (en)
skos:prefLabel	Electrically Small Spiral Transmission Line-Connected Triple-Arm Folded Monopole Antenna Electrically Small Spiral Transmission Line-Connected Triple-Arm Folded Monopole Antenna (en)
skos:notation	RIV/68407700:21230/12:00193070!RIV13-MSM-21230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(OC08018), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vrba, David Polívka, Milan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	133835
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/12:00193070
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electrically small antenna; folded wire antenna; monopole antenna (en)
http://linked.open.../riv/klicoveSlovo	electrically small antenna monopole antenna folded wire antenna
http://linked.open...ontrolniKodProRIV	[FC8421629CD5]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Piscataway
http://linked.open...i/riv/nazevZdroje	Proceedings of the 6th European Conference on Antennas and Propagation (EUCAP 2012)
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Antenna Systems and Senzors with Special Properties (ASSESP)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Polívka, Milan Vrba, David
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-03-25 (xsd:date)
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/EuCAP.2012.6206122
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4577-0920-3
http://localhost/t...ganizacniJednotka	21230

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