{"id":"https://openalex.org/W7203781440","doi":"https://doi.org/10.48550/arxiv.2608.17844","title":"Investigation of the Asymptotic Properties of Active Impedance in Large Finite Array Antennas","display_name":"Investigation of the Asymptotic Properties of Active Impedance in Large Finite Array Antennas","publication_year":2026,"publication_date":"2026-08-18","ids":{"openalex":"https://openalex.org/W7203781440","doi":"https://doi.org/10.48550/arxiv.2608.17844"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2608.17844","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17844","pdf_url":"https://arxiv.org/pdf/2608.17844","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.17844","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061772330","display_name":"Harald Hultin","orcid":"https://orcid.org/0000-0003-1525-1948","observed_orcids":["https://orcid.org/0000-0003-1525-1948"]},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Hultin, Harald","raw_affiliation_strings":["171 54 Solna , Sweden","KTH Royal Institute of Technology , EECS , 10044 Stockholm , Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"171 54 Solna , Sweden","institution_ids":[]},{"raw_affiliation_string":"KTH Royal Institute of Technology , EECS , 10044 Stockholm , Sweden","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5099784821","display_name":"Lucas \u00c5kerstedt","orcid":"https://orcid.org/0009-0009-5150-697X","observed_orcids":["https://orcid.org/0009-0009-5150-697X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"\u00c5kerstedt, Lucas","raw_affiliation_strings":["171 54 Solna , Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"171 54 Solna , Sweden","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013908287","display_name":"B. L. G. Jonsson","orcid":"https://orcid.org/0000-0001-7269-5241","observed_orcids":["https://orcid.org/0000-0001-7269-5241"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jonsson, B. L. G.","raw_affiliation_strings":["171 54 Solna , Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"171 54 Solna , Sweden","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10739","display_name":"Electromagnetic Scattering and Analysis","score":0.7422000169754028,"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"}},"topics":[{"id":"https://openalex.org/T10739","display_name":"Electromagnetic Scattering and Analysis","score":0.7422000169754028,"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/T10069","display_name":"Antenna Design and Analysis","score":0.1436000019311905,"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/T11946","display_name":"Antenna Design and Optimization","score":0.06729999929666519,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/active-impedance","display_name":"active impedance","score":0.8270000219345093},{"id":"https://openalex.org/keywords/asymptotic-behavior","display_name":"asymptotic behavior","score":0.8389999866485596},{"id":"https://openalex.org/keywords/preconditioning","display_name":"preconditioning","score":0.9279999732971191},{"id":"https://openalex.org/keywords/wideband-arrays","display_name":"wideband arrays","score":0.7409999966621399},{"id":"https://openalex.org/keywords/unit-cell-method","display_name":"unit cell method","score":0.7990000247955322},{"id":"https://openalex.org/keywords/predictive-model","display_name":"prediction model","score":0.3449999988079071}],"concepts":[{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.826200008392334},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.6462000012397766},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5690000057220459},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.4909000098705292},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.42590001225471497},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.39430001378059387},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36820000410079956},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36309999227523804},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36039999127388},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.31769999861717224},{"id":"https://openalex.org/C26262908","wikidata":"https://www.wikidata.org/wiki/Q1307489","display_name":"Input impedance","level":3,"score":0.31709998846054077},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.30379998683929443},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29649999737739563},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.2944999933242798},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.27970001101493835},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.2687999904155731},{"id":"https://openalex.org/C205147927","wikidata":"https://www.wikidata.org/wiki/Q752718","display_name":"Asymptotic analysis","level":2,"score":0.26260000467300415},{"id":"https://openalex.org/C3019612716","wikidata":"https://www.wikidata.org/wiki/Q730920","display_name":"Problem solver","level":2,"score":0.2606000006198883},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.2567000091075897},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.25270000100135803}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2608.17844","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17844","pdf_url":"https://arxiv.org/pdf/2608.17844","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2608.17844","doi":"https://doi.org/10.48550/arxiv.2608.17844","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.17844","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.17844","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.17844","pdf_url":"https://arxiv.org/pdf/2608.17844","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2522058954","display_name":null,"funder_award_id":"SEE-6GIA 2024-06482","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"},{"id":"https://openalex.org/G4286095570","display_name":null,"funder_award_id":"SEE-6GIA","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"},{"id":"https://openalex.org/G6449951630","display_name":"Interoperabilitet mellan antenner p\u00e5 stora plattformar","funder_award_id":"ID20-0004","funder_id":"https://openalex.org/F4320320940","funder_display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning"},{"id":"https://openalex.org/G8139745103","display_name":"Sustainable and Energy Efficient 6G Integrated Antennas (SEE-6GIA)","funder_award_id":"2024-06482","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"}],"funders":[{"id":"https://openalex.org/F4320320940","display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning","ror":"https://ror.org/044wr7g58"},{"id":"https://openalex.org/F4320322581","display_name":"Vetenskapsr\u00e5det","ror":"https://ror.org/03zttf063"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203781440.pdf","grobid_xml":"https://content.openalex.org/works/W7203781440.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7117547735","https://openalex.org/W2114643806","https://openalex.org/W2171740729","https://openalex.org/W2122240477","https://openalex.org/W2106659076","https://openalex.org/W7124706935","https://openalex.org/W1513578063","https://openalex.org/W2104385868","https://openalex.org/W7128314386","https://openalex.org/W1799156834"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3,47],"improved":[4,27,48],"full-wave":[5],"solver":[6,14,28,60],"for":[7,22,39,83,124],"finite":[8,44,76],"array":[9,113,136,150],"antennas,":[10],"and":[11,46,58,129],"uses":[12],"this":[13],"to":[15,97,133],"examine":[16],"asymptotic":[17,88],"properties":[18],"of":[19,71,107],"active":[20,69,105],"impedance":[21,70,106],"large":[23],"regular":[24],"arrays.":[25,95],"The":[26,117],"is":[29,79],"based":[30],"on":[31,41,102,149],"a":[32,56,62],"preconditioning":[33],"scheme":[34],"that":[35],"has":[36],"been":[37],"adapted":[38],"use":[40],"more":[42],"general":[43,147],"geometries,":[45],"data":[49],"structure.":[50],"These":[51],"two":[52,118],"improvements":[53],"result":[54],"in":[55,75,111],"fast":[57],"stable":[59],"with":[61,85],"lower":[63],"memory":[64],"footprint.":[65],"By":[66],"investigating":[67],"the":[68,72,104,108,112,125],"center":[73,109],"element":[74,110],"arrays":[77,84,127],"it":[78],"found":[80],"that,":[81],"even":[82],"1000":[86],"elements,":[87],"behavior":[89],"may":[90,130],"differ":[91],"appreciably":[92],"from":[93],"infinite":[94],"Tied":[96],"these":[98],"properties,":[99],"different":[100],"predictors":[101,120],"how":[103],"behaves":[114],"are":[115,143],"presented.":[116],"best":[119],"work":[121],"very":[122],"well":[123],"wideband":[126],"investigated,":[128],"be":[131],"used":[132],"decide":[134],"when":[135],"approximations,":[137],"such":[138],"as":[139],"unit":[140],"cell":[141],"methods,":[142],"appropriate,":[144],"rather":[145],"than":[146],"statements":[148],"size.":[151]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-08-20T00:00:00"}