{"id":"https://openalex.org/W4296558683","doi":"https://doi.org/10.1109/access.2022.3208375","title":"An Ultrawideband Circularly-Polarized Vivaldi Antenna With High Gain","display_name":"An Ultrawideband Circularly-Polarized Vivaldi Antenna With High Gain","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4296558683","doi":"https://doi.org/10.1109/access.2022.3208375"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3208375","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3208375","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,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2022.3208375","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014850585","display_name":"Jia-Cheng Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Jia-Cheng Liang","raw_affiliation_strings":["Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan","institution_ids":["https://openalex.org/I99908691"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040683577","display_name":"Cheng\u2010Nan Chiu","orcid":"https://orcid.org/0000-0002-3904-2780"},"institutions":[{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cheng-Nan Chiu","raw_affiliation_strings":["Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan","institution_ids":["https://openalex.org/I99908691"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108820043","display_name":"Tsung-Ching Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210122797","display_name":"Electronics Testing Center","ror":"https://ror.org/034rqbg02","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210122797"]},{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsung-Ching Lin","raw_affiliation_strings":["Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan","Taiwan Testing and Certification Center, Taoyuan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Yuan Ze University, Taoyuan City, Taiwan","institution_ids":["https://openalex.org/I99908691"]},{"raw_affiliation_string":"Taiwan Testing and Certification Center, Taoyuan City, Taiwan","institution_ids":["https://openalex.org/I4210122797"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101857296","display_name":"Chih\u2010Hung Lee","orcid":"https://orcid.org/0000-0003-4703-8877"},"institutions":[{"id":"https://openalex.org/I4210122797","display_name":"Electronics Testing Center","ror":"https://ror.org/034rqbg02","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210122797"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chih-Hung Lee","raw_affiliation_strings":["Taiwan Testing and Certification Center, Taoyuan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Taiwan Testing and Certification Center, Taoyuan City, Taiwan","institution_ids":["https://openalex.org/I4210122797"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5014850585"],"corresponding_institution_ids":["https://openalex.org/I99908691"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":3.3867,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.91702883,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"10","issue":null,"first_page":"100446","last_page":"100455"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9998000264167786,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/physics","display_name":"Physics","score":0.598613977432251},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.594207763671875},{"id":"https://openalex.org/keywords/circular-polarization","display_name":"Circular polarization","score":0.5156934857368469},{"id":"https://openalex.org/keywords/axial-ratio","display_name":"Axial ratio","score":0.48831698298454285},{"id":"https://openalex.org/keywords/antenna-measurement","display_name":"Antenna measurement","score":0.45992574095726013},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.42170554399490356},{"id":"https://openalex.org/keywords/antenna-gain","display_name":"Antenna gain","score":0.4167781174182892},{"id":"https://openalex.org/keywords/vivaldi-antenna","display_name":"Vivaldi antenna","score":0.4163595139980316},{"id":"https://openalex.org/keywords/coaxial-antenna","display_name":"Coaxial antenna","score":0.41486504673957825},{"id":"https://openalex.org/keywords/wilkinson-power-divider","display_name":"Wilkinson power divider","score":0.41360345482826233},{"id":"https://openalex.org/keywords/power-dividers-and-directional-couplers","display_name":"Power dividers and directional couplers","score":0.41308891773223877},{"id":"https://openalex.org/keywords/impedance-matching","display_name":"Impedance matching","score":0.4113962948322296},{"id":"https://openalex.org/keywords/antenna-factor","display_name":"Antenna factor","score":0.39331766963005066},{"id":"https://openalex.org/keywords/dipole-antenna","display_name":"Dipole antenna","score":0.3678136467933655},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3160337805747986},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2512436509132385},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.25093141198158264},{"id":"https://openalex.org/keywords/microstrip","display_name":"Microstrip","score":0.18242383003234863},{"id":"https://openalex.org/keywords/frequency-divider","display_name":"Frequency divider","score":0.07384532690048218}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.598613977432251},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.594207763671875},{"id":"https://openalex.org/C153201621","wikidata":"https://www.wikidata.org/wiki/Q5121676","display_name":"Circular polarization","level":3,"score":0.5156934857368469},{"id":"https://openalex.org/C2779763010","wikidata":"https://www.wikidata.org/wiki/Q16836202","display_name":"Axial ratio","level":4,"score":0.48831698298454285},{"id":"https://openalex.org/C158616128","wikidata":"https://www.wikidata.org/wiki/Q4771260","display_name":"Antenna measurement","level":3,"score":0.45992574095726013},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.42170554399490356},{"id":"https://openalex.org/C81183938","wikidata":"https://www.wikidata.org/wiki/Q251537","display_name":"Antenna gain","level":5,"score":0.4167781174182892},{"id":"https://openalex.org/C2778682799","wikidata":"https://www.wikidata.org/wiki/Q690600","display_name":"Vivaldi antenna","level":4,"score":0.4163595139980316},{"id":"https://openalex.org/C93130614","wikidata":"https://www.wikidata.org/wiki/Q5138671","display_name":"Coaxial antenna","level":4,"score":0.41486504673957825},{"id":"https://openalex.org/C184028887","wikidata":"https://www.wikidata.org/wiki/Q265565","display_name":"Wilkinson power divider","level":4,"score":0.41360345482826233},{"id":"https://openalex.org/C202988678","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Power dividers and directional couplers","level":2,"score":0.41308891773223877},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.4113962948322296},{"id":"https://openalex.org/C196931383","wikidata":"https://www.wikidata.org/wiki/Q4771253","display_name":"Antenna factor","level":4,"score":0.39331766963005066},{"id":"https://openalex.org/C113145756","wikidata":"https://www.wikidata.org/wiki/Q1126859","display_name":"Dipole antenna","level":3,"score":0.3678136467933655},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3160337805747986},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2512436509132385},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.25093141198158264},{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.18242383003234863},{"id":"https://openalex.org/C74982907","wikidata":"https://www.wikidata.org/wiki/Q1455624","display_name":"Frequency divider","level":3,"score":0.07384532690048218},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3208375","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3208375","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,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:04dc9b240d74433c921846cb595de558","is_oa":true,"landing_page_url":"https://doaj.org/article/04dc9b240d74433c921846cb595de558","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 10, Pp 100446-100455 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3208375","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3208375","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,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.49000000953674316,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1548855093","https://openalex.org/W2026036697","https://openalex.org/W2048457731","https://openalex.org/W2050303267","https://openalex.org/W2070038236","https://openalex.org/W2084318934","https://openalex.org/W2105704179","https://openalex.org/W2119451679","https://openalex.org/W2133971536","https://openalex.org/W2141491291","https://openalex.org/W2166487536","https://openalex.org/W2170245807","https://openalex.org/W2171111701","https://openalex.org/W2343003660","https://openalex.org/W2343770123","https://openalex.org/W2468715736","https://openalex.org/W2525537401","https://openalex.org/W2562347727","https://openalex.org/W2591776210","https://openalex.org/W2592407074","https://openalex.org/W2769504139","https://openalex.org/W2800257740","https://openalex.org/W2888702598","https://openalex.org/W2922088035","https://openalex.org/W2997035084","https://openalex.org/W3007972124","https://openalex.org/W3093590146","https://openalex.org/W3098072980","https://openalex.org/W3115513625","https://openalex.org/W3193966497","https://openalex.org/W3207607388"],"related_works":["https://openalex.org/W2543316559","https://openalex.org/W1991281117","https://openalex.org/W1976435525","https://openalex.org/W2151493112","https://openalex.org/W4387250589","https://openalex.org/W2610426967","https://openalex.org/W2883563044","https://openalex.org/W2375335219","https://openalex.org/W2112960283","https://openalex.org/W2999950721"],"abstract_inverted_index":{"This":[0,55],"paper":[1],"proposes":[2],"a":[3,46,51,77],"novel":[4],"ultrawideband":[5,35],"antenna":[6,25,110,148,158],"with":[7,63,76],"high":[8],"gain":[9,159],"and":[10,33,50,66,104,114,119,131],"circular":[11,14],"polarization.":[12],"Its":[13,116],"polarization":[15],"can":[16,57,82,95],"be":[17,83],"easily":[18],"changed":[19],"to":[20,86,125,163],"right-handed":[21],"or":[22],"left-handed.":[23],"The":[24,38,91,134],"consists":[26],"of":[27,42,61],"four":[28,43],"sophisticated":[29],"antipodal":[30],"Vivaldi":[31],"antennas":[32],"an":[34],"feeding":[36,39],"network.":[37],"network":[40,56],"composes":[41],"horizontal-to-vertical":[44],"transitions,":[45],"two-to-four":[47],"power":[48],"divider,":[49],"3-dB":[52],"directional":[53],"coupler.":[54],"provide":[58],"two":[59],"pairs":[60],"outputs":[62],"equal":[64],"magnitude":[65],"ninety-degree":[67],"phase":[68],"difference.":[69],"In":[70,143],"addition,":[71],"it":[72],"is":[73,111,122,138,151,160],"horizontally":[74,101],"fed":[75],"single":[78],"input":[79],"port":[80],"that":[81],"directly":[84],"connected":[85],"the":[87,97,100,127,144,147,157,172,175],"corresponding":[88],"circuit":[89,103],"board.":[90],"newly":[92],"introduced":[93],"transition":[94],"reduce":[96],"discontinuity":[98],"between":[99],"placed":[102],"vertically":[105],"standing":[106],"antenna.":[107],"A":[108],"prototype":[109],"designed,":[112],"fabricated,":[113],"tested.":[115],"impedance-matching,":[117],"circularly-polarized":[118],"stable-gain":[120],"band":[121],"sufficiently":[123],"wide":[124],"cover":[126],"entire":[128,145],"Ku,":[129],"K,":[130],"Ka":[132],"bands.":[133],"fractional":[135],"bandwidth":[136],"(FBW)":[137],"as":[139,141],"large":[140],"113.2%.":[142],"band,":[146],"axial":[149],"ratio":[150],"well":[152],"below":[153],"3":[154],"dB,":[155],"while":[156],"stable":[161],"up":[162],"18.35":[164],"dBic.":[165],"Remarkable":[166],"performance":[167],"has":[168],"been":[169],"achieved":[170],"in":[171],"literature":[173],"for":[174],"first":[176],"time.":[177]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}