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Algorithm for resonator parameter extraction from symmetrical and asymmetrical transmission responses
dc.contributor.author | Krkotic, Patrick |
dc.contributor.author | Gallardo Moix, Queralt |
dc.contributor.author | Tagdulang, Nikki |
dc.contributor.author | Pont Montaner, Montserrat |
dc.contributor.author | O'Callaghan Castellà, Juan Manuel |
dc.contributor.other | Universitat Politècnica de Catalunya. Doctorat en Teoria del Senyal i Comunicacions |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2021-06-10T09:05:30Z |
dc.date.available | 2021-06-10T09:05:30Z |
dc.date.issued | 2021-08 |
dc.identifier.citation | Krkotic, P. [et al.]. Algorithm for resonator parameter extraction from symmetrical and asymmetrical transmission responses. "IEEE transactions on microwave theory and techniques", Agost 2021, vol. 69, núm. 8, p. 3917-3926. |
dc.identifier.issn | 0018-9480 |
dc.identifier.uri | http://hdl.handle.net/2117/347020 |
dc.description.abstract | We describe an algorithm capable of extracting the unloaded quality factor and the resonant frequency of microwave resonators from vector S-parameters. Both symmetrical (Lorentzian) and asymmetrical (Fano) transmission responses are supported. The algorithm performs an adaptive outlier removal to discard measurement points affected by noise or distortion. It removes the effects caused by imperfections in the device (such as modes with close resonance frequencies or stray coupling between the resonator ports) or the experimental setup (such as lack of isolation or dispersion in the test set and cables). We present an extensive assessment of the algorithm performance based on a numerical perturbation analysis and the evaluation of S-parameter fitting results obtained from network analyzer measurements and resonator equivalent circuits. Our results suggest that uncertainty is mainly caused by factors that distort the frequency dependence of the S-parameters, such as cabling and coupling networks, and is highly dependent on the device measured. Our perturbation analysis shows improved results with respect to those of previous publications. Our source code is written in Python using open-source packages and is publicly available under a freeware license. |
dc.description.sponsorship | This work was supported in part by CERN under Grant FCC-GOV-CC-0210 (KE4945/ATS) and Grant FCCGOV-CC-0209 (KE4946/ATS) and in part by UPC funding through the Unit of Excellence María de Maeztu under Grant MDM2016-0600. The work of Nikki D. Tagdulang was supported by MSCA-COFUND-2016-754397. |
dc.format.extent | 10 p. |
dc.language.iso | eng |
dc.publisher | IEEE Microwave Theory and Techniques Society |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
dc.subject.lcsh | Microwave devices |
dc.subject.lcsh | Algorithms |
dc.subject.other | Microwave resonators |
dc.subject.other | Quality factor |
dc.subject.other | Resonant frequency |
dc.title | Algorithm for resonator parameter extraction from symmetrical and asymmetrical transmission responses |
dc.type | Article |
dc.subject.lemac | Dispositius de microones |
dc.subject.lemac | Algorismes |
dc.contributor.group | Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones |
dc.identifier.doi | 10.1109/TMTT.2021.3081730 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://ieeexplore.ieee.org/document/9447550 |
dc.rights.access | Open Access |
local.identifier.drac | 31808583 |
dc.description.version | Postprint (author's final draft) |
dc.relation.projectid | info:eu-repo/grantAgreement/MINECO/1PE/MDM-2016-0600 |
local.citation.author | Krkotic, P.; Gallardo, Q.; Tagdulang, N.; Pont, M.; O'callaghan, J. |
local.citation.publicationName | IEEE transactions on microwave theory and techniques |
local.citation.volume | 69 |
local.citation.number | 8 |
local.citation.startingPage | 3917 |
local.citation.endingPage | 3926 |
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