Determination of the fundamental resonance mode of a birdcage resonator

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F22%3APU144460" target="_blank" >RIV/00216305:26220/22:PU144460 - isvavai.cz</a>

Výsledek na webu

<a href="https://ieeexplore.ieee.org/document/9764920" target="_blank" >https://ieeexplore.ieee.org/document/9764920</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/RADIOELEKTRONIKA54537.2022.9764920" target="_blank" >10.1109/RADIOELEKTRONIKA54537.2022.9764920</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Determination of the fundamental resonance mode of a birdcage resonator

Popis výsledku v původním jazyce

Determining the resonance modes of a birdcage resonator may become a challenging task, especially when the design is more sophisticated. One possible approach is a numerical analysis of the resonator's fields. However, the results of such analysis may differ from the parameters of the fabricated resonator (due to the neglected non-ideal behaviour). Another possible way is to confirm the well-known rules for the determination of the resonance modes by an experimental characterisation measurement at the desired frequency, which requires a previous knowledge of the resonant modes. The approach, presented here, consists of analysing transmission parameters obtained by measuring current induced in the magnetic field probe close to the individual longitudinal resonator's elements (legs). The results are values of the module and phase of transmission of the birdcage resonator across the entire frequency range. From such data, the frequency of the fundamental resonance mode can be easily and conclusively extracted. The functionality of the proposed method is proven by the results of the analysis of four different birdcage resonators working in the frequency range of around 400 MHz.

Název v anglickém jazyce

Determination of the fundamental resonance mode of a birdcage resonator

Popis výsledku anglicky

Determining the resonance modes of a birdcage resonator may become a challenging task, especially when the design is more sophisticated. One possible approach is a numerical analysis of the resonator's fields. However, the results of such analysis may differ from the parameters of the fabricated resonator (due to the neglected non-ideal behaviour). Another possible way is to confirm the well-known rules for the determination of the resonance modes by an experimental characterisation measurement at the desired frequency, which requires a previous knowledge of the resonant modes. The approach, presented here, consists of analysing transmission parameters obtained by measuring current induced in the magnetic field probe close to the individual longitudinal resonator's elements (legs). The results are values of the module and phase of transmission of the birdcage resonator across the entire frequency range. From such data, the frequency of the fundamental resonance mode can be easily and conclusively extracted. The functionality of the proposed method is proven by the results of the analysis of four different birdcage resonators working in the frequency range of around 400 MHz.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

<a href="/cs/project/EF19_073%2F0016948" target="_blank" >EF19_073/0016948: Kvalitní interní granty VUT</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

International Conference on Radioelektronika

ISBN

978-1-7281-8686-3

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

10-13

Název nakladatele

Institute of Electrical and Electronics Engineers Inc.

Místo vydání

neuveden

Místo konání akce

Košice

Datum konání akce

21. 4. 2022

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000856002200003