{"id":"https://openalex.org/W4400093935","doi":"https://doi.org/10.3390/s24134170","title":"A Compact Dual-Polarized Vivaldi Antenna with High Gain for Tree Radar Applications","display_name":"A Compact Dual-Polarized Vivaldi Antenna with High Gain for Tree Radar Applications","publication_year":2024,"publication_date":"2024-06-27","ids":{"openalex":"https://openalex.org/W4400093935","doi":"https://doi.org/10.3390/s24134170","pmid":"https://pubmed.ncbi.nlm.nih.gov/39000948"},"language":"en","primary_location":{"id":"doi:10.3390/s24134170","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24134170","pdf_url":"https://www.mdpi.com/1424-8220/24/13/4170/pdf?version=1719468587","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/24/13/4170/pdf?version=1719468587","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101022160","display_name":"Kaixuan Cheng","orcid":"https://orcid.org/0009-0001-6563-988X"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Kaixuan Cheng","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore"],"raw_orcid":"https://orcid.org/0009-0001-6563-988X","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057695668","display_name":"Yee Hui Lee","orcid":"https://orcid.org/0000-0001-6452-9606"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Yee Hui Lee","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008529322","display_name":"Jiwei Qian","orcid":"https://orcid.org/0000-0003-3509-0045"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jiwei Qian","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore"],"raw_orcid":"https://orcid.org/0000-0003-3509-0045","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031854742","display_name":"Daryl Lee","orcid":"https://orcid.org/0000-0002-5431-940X"},"institutions":[{"id":"https://openalex.org/I1329267311","display_name":"National Parks Board","ror":"https://ror.org/046qg1023","country_code":"SG","type":"government","lineage":["https://openalex.org/I1329267311","https://openalex.org/I4210154943"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Daryl Lee","raw_affiliation_strings":["Centre for Urban Greenery and Ecology, National Parks Board, 1 Cluny Rd., Singapore 259569, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-5431-940X","affiliations":[{"raw_affiliation_string":"Centre for Urban Greenery and Ecology, National Parks Board, 1 Cluny Rd., Singapore 259569, Singapore","institution_ids":["https://openalex.org/I1329267311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016474418","display_name":"Mohamed Lokman Mohd Yusof","orcid":"https://orcid.org/0000-0002-2771-4877"},"institutions":[{"id":"https://openalex.org/I1329267311","display_name":"National Parks Board","ror":"https://ror.org/046qg1023","country_code":"SG","type":"government","lineage":["https://openalex.org/I1329267311","https://openalex.org/I4210154943"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Mohamed Lokman Mohd Yusof","raw_affiliation_strings":["Centre for Urban Greenery and Ecology, National Parks Board, 1 Cluny Rd., Singapore 259569, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Urban Greenery and Ecology, National Parks Board, 1 Cluny Rd., Singapore 259569, Singapore","institution_ids":["https://openalex.org/I1329267311"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039578731","display_name":"Abdulkadir C. Y\u00fccel","orcid":"https://orcid.org/0000-0001-9920-4043"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Abdulkadir C. Yucel","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5039578731","https://openalex.org/A5057695668"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":8.8428,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.96935031,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"24","issue":"13","first_page":"4170","last_page":"4170"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9997000098228455,"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":0.9997000098228455,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9962999820709229,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/vivaldi-antenna","display_name":"Vivaldi antenna","score":0.9146022796630859},{"id":"https://openalex.org/keywords/antenna-gain","display_name":"Antenna gain","score":0.5540100932121277},{"id":"https://openalex.org/keywords/antenna-measurement","display_name":"Antenna measurement","score":0.5210882425308228},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4907008409500122},{"id":"https://openalex.org/keywords/high-gain-antenna","display_name":"High-gain antenna","score":0.4898330867290497},{"id":"https://openalex.org/keywords/antenna-factor","display_name":"Antenna factor","score":0.4434356689453125},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.4281442165374756},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3665536642074585},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3486674427986145},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.34286928176879883},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3281838893890381},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3218458294868469},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3072936534881592},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20599737763404846}],"concepts":[{"id":"https://openalex.org/C2778682799","wikidata":"https://www.wikidata.org/wiki/Q690600","display_name":"Vivaldi antenna","level":4,"score":0.9146022796630859},{"id":"https://openalex.org/C81183938","wikidata":"https://www.wikidata.org/wiki/Q251537","display_name":"Antenna gain","level":5,"score":0.5540100932121277},{"id":"https://openalex.org/C158616128","wikidata":"https://www.wikidata.org/wiki/Q4771260","display_name":"Antenna measurement","level":3,"score":0.5210882425308228},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4907008409500122},{"id":"https://openalex.org/C61829901","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"High-gain antenna","level":2,"score":0.4898330867290497},{"id":"https://openalex.org/C196931383","wikidata":"https://www.wikidata.org/wiki/Q4771253","display_name":"Antenna factor","level":4,"score":0.4434356689453125},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.4281442165374756},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3665536642074585},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3486674427986145},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.34286928176879883},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3281838893890381},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3218458294868469},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3072936534881592},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20599737763404846}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s24134170","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24134170","pdf_url":"https://www.mdpi.com/1424-8220/24/13/4170/pdf?version=1719468587","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:39000948","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/39000948","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:11244149","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/11244149","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:755a2de05ce64bce96d04c3543283afe","is_oa":true,"landing_page_url":"https://doaj.org/article/755a2de05ce64bce96d04c3543283afe","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,"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":"Sensors, Vol 24, Iss 13, p 4170 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s24134170","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24134170","pdf_url":"https://www.mdpi.com/1424-8220/24/13/4170/pdf?version=1719468587","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.5099999904632568,"display_name":"Reduced inequalities"},{"id":"https://metadata.un.org/sdg/16","score":0.46000000834465027,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4400093935.pdf"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1635914203","https://openalex.org/W2008558726","https://openalex.org/W2029095455","https://openalex.org/W2071542047","https://openalex.org/W2116468000","https://openalex.org/W2132071745","https://openalex.org/W2133971536","https://openalex.org/W2143131502","https://openalex.org/W2465567810","https://openalex.org/W2483302315","https://openalex.org/W2890224655","https://openalex.org/W2891020118","https://openalex.org/W2901423209","https://openalex.org/W2914844196","https://openalex.org/W2950711685","https://openalex.org/W2979937419","https://openalex.org/W3118330161","https://openalex.org/W3120107045","https://openalex.org/W3128873855","https://openalex.org/W3200264989","https://openalex.org/W3201429352","https://openalex.org/W4226204962","https://openalex.org/W4285251447","https://openalex.org/W4378841777","https://openalex.org/W4382775594","https://openalex.org/W4386494952","https://openalex.org/W4386495548","https://openalex.org/W4396858759","https://openalex.org/W4399527427","https://openalex.org/W6657570602","https://openalex.org/W6801045570","https://openalex.org/W6801717647","https://openalex.org/W6810425434"],"related_works":["https://openalex.org/W1946653702","https://openalex.org/W4328027055","https://openalex.org/W4281480797","https://openalex.org/W2579231045","https://openalex.org/W4293697626","https://openalex.org/W4281476515","https://openalex.org/W3108695744","https://openalex.org/W4255835852","https://openalex.org/W2519801124","https://openalex.org/W2349408758"],"abstract_inverted_index":{"A":[0],"dual-polarized":[1],"compact":[2],"Vivaldi":[3,28,64],"antenna":[4,48,71,85,90,123,141],"with":[5,146],"high":[6,93,118],"gain":[7,36,44,94],"performance":[8],"is":[9,77,124],"proposed":[10,16,47,89,140],"for":[11],"tree":[12,133],"radar":[13],"applications.":[14],"The":[15,79,121,135],"design":[17],"introduces":[18],"an":[19],"array":[20],"configuration":[21],"consisting":[22],"of":[23,26,45,54,82,95],"two":[24,27],"pairs":[25],"elements":[29],"to":[30,97,105,126,152],"optimize":[31],"the":[32,43,46,69,83,88,130,139],"operating":[33],"bandwidth":[34],"and":[35,57,128],"while":[37],"providing":[38],"dual-polarization":[39],"capability.":[40],"To":[41,66],"enhance":[42,68],"over":[49,100],"a":[50,73,92,143,147,156],"certain":[51],"frequency":[52],"range":[53],"interest,":[55],"directors":[56],"edge":[58],"slots":[59],"are":[60],"incorporated":[61],"into":[62],"each":[63],"element.":[65],"further":[67],"overall":[70],"gain,":[72],"metal":[74],"back":[75],"reflector":[76],"used.":[78],"measurement":[80],"results":[81,136],"fabricated":[84,122],"show":[86,137],"that":[87,138,153],"achieves":[91,110],"5.5":[96],"14.8":[98],"dBi":[99],"broadband":[101],"from":[102],"0.5":[103],"GHz":[104],"3":[106],"GHz.":[107],"Moreover,":[108],"it":[109],"cross-polarization":[111],"discrimination":[112],"larger":[113],"than":[114],"20":[115],"dB,":[116],"ensuring":[117],"polarization":[119],"purity.":[120],"used":[125],"detect":[127],"image":[129,145],"defects":[131],"inside":[132],"trunks.":[134],"yields":[142],"better-migrated":[144],"clear":[148],"defect":[149],"region":[150],"compared":[151],"obtained":[154],"by":[155],"commercial":[157],"Horn":[158],"antenna.":[159]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2024,"cited_by_count":2}],"updated_date":"2026-06-12T08:23:45.883708","created_date":"2025-10-10T00:00:00"}