{"id":"https://openalex.org/W2620043513","doi":"https://doi.org/10.1109/access.2018.2807922","title":"Energy Stored by Radiating Systems","display_name":"Energy Stored by Radiating Systems","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2620043513","doi":"https://doi.org/10.1109/access.2018.2807922","mag":"2620043513"},"language":"en","primary_location":{"id":"doi:10.1109/access.2018.2807922","doi":"https://doi.org/10.1109/access.2018.2807922","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2807922","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2018.2807922","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047996037","display_name":"Kurt Schab","orcid":"https://orcid.org/0000-0002-4228-9856","observed_orcids":["https://orcid.org/0000-0002-4228-9856"]},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kurt Schab","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":"https://orcid.org/0000-0002-4228-9856","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045364375","display_name":"Luk\u00e1\u0161 Jel\u00ednek","orcid":"https://orcid.org/0000-0002-1163-9059","observed_orcids":["https://orcid.org/0000-0002-1163-9059"]},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Lukas Jelinek","raw_affiliation_strings":["Department of Electromagnetic Field, Czech Technical University in Prague, Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electromagnetic Field, Czech Technical University in Prague, Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051197638","display_name":"Miloslav \u010capek","orcid":"https://orcid.org/0000-0002-7442-889X","observed_orcids":["https://orcid.org/0000-0002-7442-889X"]},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Miloslav Capek","raw_affiliation_strings":["Department of Electromagnetic Field, Czech Technical University in Prague, Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electromagnetic Field, Czech Technical University in Prague, Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036205832","display_name":"Casimir Ehrenborg","orcid":"https://orcid.org/0000-0002-2530-6562","observed_orcids":["https://orcid.org/0000-0002-2530-6562"]},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Casimir Ehrenborg","raw_affiliation_strings":["Department of Electrical and Information Technology, Lund University, Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Technology, Lund University, Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008090543","display_name":"Doruk Tayli","orcid":"https://orcid.org/0000-0002-1303-7238","observed_orcids":["https://orcid.org/0000-0002-1303-7238"]},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Doruk Tayli","raw_affiliation_strings":["Department of Electrical and Information Technology, Lund University, Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Technology, Lund University, Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083297118","display_name":"Guy A. E. Vandenbosch","orcid":"https://orcid.org/0000-0002-5878-3285","observed_orcids":["https://orcid.org/0000-0002-5878-3285"]},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Guy A. E. Vandenbosch","raw_affiliation_strings":["Department of Electrical Engineering, KU Leuven, Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028063646","display_name":"Mats Gustafsson","orcid":"https://orcid.org/0000-0003-4362-5716","observed_orcids":["https://orcid.org/0000-0003-4362-5716"]},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mats Gustafsson","raw_affiliation_strings":["Department of Electrical and Information Technology, Lund University, Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Technology, Lund University, Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2075,"currency":"USD","value_usd":2075},"apc_paid":{"value":2075,"currency":"USD","value_usd":2075},"fwci":4.49,"has_fulltext":true,"cited_by_count":84,"citation_normalized_percentile":{"value":0.9542388,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"6","issue":null,"first_page":"10553","last_page":"10568"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9545999765396118,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9545999765396118,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11683","display_name":"Quantum and Classical Electrodynamics","score":0.028200000524520874,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10739","display_name":"Electromagnetic Scattering and Analysis","score":0.006500000134110451,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/stored-energy","display_name":"stored energy","score":0.8790000081062317},{"id":"https://openalex.org/keywords/radiating-systems","display_name":"radiating systems","score":0.9739999771118164},{"id":"https://openalex.org/keywords/antenna","display_name":"antenna","score":0.9900000095367432},{"id":"https://openalex.org/keywords/quality-factor","display_name":"quality factor","score":0.7630000114440918},{"id":"https://openalex.org/keywords/fractional-bandwidth","display_name":"fractional bandwidth","score":0.9829999804496765},{"id":"https://openalex.org/keywords/electromagnetic-energy","display_name":"electromagnetic energy","score":0.5659999847412109},{"id":"https://openalex.org/keywords/antenna-efficiency","display_name":"antenna efficiency","score":0.3499999940395355}],"concepts":[{"id":"https://openalex.org/C2780695315","wikidata":"https://www.wikidata.org/wiki/Q3799040","display_name":"Unobservable","level":2,"score":0.8239270448684692},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7241549491882324},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.47952866554260254},{"id":"https://openalex.org/C2780277889","wikidata":"https://www.wikidata.org/wiki/Q282301","display_name":"Demonstrative","level":2,"score":0.4781150221824646},{"id":"https://openalex.org/C125470083","wikidata":"https://www.wikidata.org/wiki/Q747288","display_name":"Electromagnetic compatibility","level":2,"score":0.4390513002872467},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4283609092235565},{"id":"https://openalex.org/C63882131","wikidata":"https://www.wikidata.org/wiki/Q17122954","display_name":"Strengths and weaknesses","level":2,"score":0.4212302565574646},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.343004047870636},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3248136639595032},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3015044331550598},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.240433931350708},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18378996849060059},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1190606951713562},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.1109/access.2018.2807922","doi":"https://doi.org/10.1109/access.2018.2807922","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2807922","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1705.07942","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1705.07942","pdf_url":"https://arxiv.org/pdf/1705.07942","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2951448259","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1705.07942.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:doaj.org/article:7960472c510343ca972cdbeafb4a28fa","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/7960472c510343ca972cdbeafb4a28fa","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 6, Pp 10553-10568 (2018)","raw_type":"article"},{"id":"pmh:oai:lup.lub.lu.se:249a71ee-af0d-44e0-bbd5-24c0c424b61a","doi":null,"is_oa":false,"landing_page_url":"https://lup.lub.lu.se/record/249a71ee-af0d-44e0-bbd5-24c0c424b61a","pdf_url":null,"source":{"id":"https://openalex.org/S4306400536","display_name":"Lund University Publications (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 2169-3536","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:lup.lub.lu.se:fc44f0b6-5af2-4392-9dab-9bd58d50441d","doi":null,"is_oa":false,"landing_page_url":"https://lup.lub.lu.se/record/fc44f0b6-5af2-4392-9dab-9bd58d50441d","pdf_url":null,"source":{"id":"https://openalex.org/S4306400536","display_name":"Lund University Publications (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Technical Report LUTEDX/(TEAT-7251)/1-32/(2017); (2017)","raw_type":"bookanthology/report"},{"id":"doi:10.48550/arxiv.1705.07942","doi":"https://doi.org/10.48550/arxiv.1705.07942","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1705.07942","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},{"id":"mag:2792528104","doi":null,"is_oa":false,"landing_page_url":"https://lup.lub.lu.se/search/publication/fc44f0b6-5af2-4392-9dab-9bd58d50441d","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"doi:10.1109/access.2018.2807922","doi":"https://doi.org/10.1109/access.2018.2807922","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2807922","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G731268295","display_name":"Source Concept of Electrically Small Antenna Synthesis","funder_award_id":"GJ15-10280Y","funder_id":"https://openalex.org/F4320321006","funder_display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky"}],"funders":[{"id":"https://openalex.org/F4320320940","display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning","ror":"https://ror.org/044wr7g58"},{"id":"https://openalex.org/F4320321006","display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky","ror":"https://ror.org/01pv73b02"},{"id":"https://openalex.org/F4320333053","display_name":"Intelligence Community Postdoctoral Research Fellowship Program","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2620043513.pdf","grobid_xml":"https://content.openalex.org/works/W2620043513.grobid-xml"},"referenced_works_count":100,"referenced_works":["https://openalex.org/W577491741","https://openalex.org/W634131218","https://openalex.org/W1489096603","https://openalex.org/W1491560007","https://openalex.org/W1513140202","https://openalex.org/W1553303423","https://openalex.org/W1578482343","https://openalex.org/W1601228101","https://openalex.org/W1643487661","https://openalex.org/W1766675699","https://openalex.org/W1850478130","https://openalex.org/W1966625188","https://openalex.org/W1972782421","https://openalex.org/W1976538210","https://openalex.org/W1979977394","https://openalex.org/W1991760215","https://openalex.org/W1992917895","https://openalex.org/W1996204943","https://openalex.org/W1997837281","https://openalex.org/W2001454514","https://openalex.org/W2002134470","https://openalex.org/W2006511010","https://openalex.org/W2021938985","https://openalex.org/W2022416932","https://openalex.org/W2026337119","https://openalex.org/W2027272458","https://openalex.org/W2031160516","https://openalex.org/W2035110013","https://openalex.org/W2036778326","https://openalex.org/W2043041333","https://openalex.org/W2045040878","https://openalex.org/W2045201548","https://openalex.org/W2046843657","https://openalex.org/W2047492005","https://openalex.org/W2047997294","https://openalex.org/W2052625358","https://openalex.org/W2064237340","https://openalex.org/W2065306597","https://openalex.org/W2076467525","https://openalex.org/W2079314171","https://openalex.org/W2079362212","https://openalex.org/W2080267527","https://openalex.org/W2083155250","https://openalex.org/W2083882577","https://openalex.org/W2087942993","https://openalex.org/W2088258348","https://openalex.org/W2093873541","https://openalex.org/W2097559688","https://openalex.org/W2099350415","https://openalex.org/W2101919005","https://openalex.org/W2106610096","https://openalex.org/W2108230063","https://openalex.org/W2109253797","https://openalex.org/W2112171033","https://openalex.org/W2113208427","https://openalex.org/W2113455343","https://openalex.org/W2117166184","https://openalex.org/W2117757461","https://openalex.org/W2122374200","https://openalex.org/W2126405346","https://openalex.org/W2128480574","https://openalex.org/W2130322278","https://openalex.org/W2132970000","https://openalex.org/W2142851297","https://openalex.org/W2149967305","https://openalex.org/W2151688367","https://openalex.org/W2156959957","https://openalex.org/W2162670977","https://openalex.org/W2163203951","https://openalex.org/W2163310480","https://openalex.org/W2167467670","https://openalex.org/W2168186947","https://openalex.org/W2171856595","https://openalex.org/W2219377359","https://openalex.org/W2219584248","https://openalex.org/W2274825093","https://openalex.org/W2278157304","https://openalex.org/W2286777470","https://openalex.org/W2301226181","https://openalex.org/W2319784630","https://openalex.org/W2333262850","https://openalex.org/W2337798699","https://openalex.org/W2346932040","https://openalex.org/W2407295371","https://openalex.org/W2549013323","https://openalex.org/W2562868287","https://openalex.org/W2580126347","https://openalex.org/W2595603767","https://openalex.org/W2605156505","https://openalex.org/W2950334937","https://openalex.org/W2952591264","https://openalex.org/W2963833410","https://openalex.org/W3100952252","https://openalex.org/W3106224682","https://openalex.org/W3194087114","https://openalex.org/W3208201226","https://openalex.org/W4230518178","https://openalex.org/W4234548701","https://openalex.org/W4242608229","https://openalex.org/W4300202567"],"related_works":["https://openalex.org/W2301226181","https://openalex.org/W2241170088","https://openalex.org/W1985829771","https://openalex.org/W2229574689","https://openalex.org/W2079362212","https://openalex.org/W2768636409","https://openalex.org/W2526281651","https://openalex.org/W2411087480","https://openalex.org/W1892169430","https://openalex.org/W1766675699"],"abstract_inverted_index":{"Though":[0],"commonly":[1],"used":[2],"to":[3,71,122],"calculate":[4],"Q-factor":[5],"and":[6,19,36,58,112],"fractional":[7],"bandwidth,":[8],"the":[9,32,62,64,109,124],"energy":[10,39,68,80],"stored":[11,38,79],"by":[12],"radiating":[13,59,82,131],"systems":[14,43,83],"(antennas)":[15],"is":[16,69],"a":[17,29,88],"subtle":[18],"challenging":[20],"concept":[21,65],"that":[22],"has":[23],"perplexed":[24],"researchers":[25],"for":[26],"over":[27],"half":[28],"century.":[30],"Here,":[31],"obstacles":[33],"in":[34,40,81,87],"defining":[35,78],"calculating":[37],"general":[41],"electromagnetic":[42],"are":[44,84,105,120],"presented":[45],"from":[46,55],"first":[47],"principles":[48],"as":[49,51],"well":[50],"using":[52],"demonstrative":[53],"examples":[54,119],"electrostatics,":[56],"circuits,":[57],"systems.":[60],"Along":[61],"way,":[63],"of":[66,77,115],"unobservable":[67],"introduced":[70],"formalize":[72],"such":[73],"challenges.":[74],"Existing":[75],"methods":[76,101,128],"then":[85],"reviewed":[86],"framework":[89],"based":[90],"on":[91,129],"technical":[92],"commonalities":[93],"rather":[94],"than":[95],"chronological":[96],"order.":[97],"Equivalences":[98],"between":[99,127],"some":[100],"under":[102],"common":[103],"assumptions":[104],"highlighted,":[106],"along":[107],"with":[108],"strengths,":[110],"weaknesses,":[111],"unique":[113],"applications":[114],"certain":[116],"techniques.":[117],"Numerical":[118],"provided":[121],"compare":[123],"relative":[125],"margin":[126],"several":[130],"structures.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":18},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":3}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2017-06-05T00:00:00"}
