{"id":"https://openalex.org/W4389077477","doi":"https://doi.org/10.1109/sensors56945.2023.10324898","title":"Non-Contact Lamb Wave Defect Detection Based Solely on Air-Coupled Ultrasonic Phased Arrays","display_name":"Non-Contact Lamb Wave Defect Detection Based Solely on Air-Coupled Ultrasonic Phased Arrays","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4389077477","doi":"https://doi.org/10.1109/sensors56945.2023.10324898"},"language":"en","primary_location":{"id":"doi:10.1109/sensors56945.2023.10324898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sensors56945.2023.10324898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE SENSORS","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5093357925","display_name":"Felix Laub","orcid":null},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Felix Laub","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017275869","display_name":"Christoph Haugwitz","orcid":"https://orcid.org/0000-0001-6756-9988"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christoph Haugwitz","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060275630","display_name":"Gianni Allevato","orcid":"https://orcid.org/0000-0002-8852-6773"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gianni Allevato","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090521322","display_name":"Julian Seiler","orcid":"https://orcid.org/0009-0008-3122-7810"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Julian Seiler","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040485515","display_name":"Rolf Findeisen","orcid":"https://orcid.org/0000-0002-9112-5946"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rolf Findeisen","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022882347","display_name":"Mario Kupnik","orcid":"https://orcid.org/0000-0003-2287-4481"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mario Kupnik","raw_affiliation_strings":["Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universität Darmstadt,Measurement and Sensor Technology Group,Germany","institution_ids":["https://openalex.org/I31512782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I31512782"],"apc_list":null,"apc_paid":null,"fwci":4.311,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.94695729,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T12169","display_name":"Non-Destructive Testing Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/lamb-waves","display_name":"Lamb waves","score":0.7825628519058228},{"id":"https://openalex.org/keywords/ultrasonic-sensor","display_name":"Ultrasonic sensor","score":0.6928731203079224},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.6639168858528137},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6258776187896729},{"id":"https://openalex.org/keywords/phased-array","display_name":"Phased array","score":0.6169348955154419},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4897909164428711},{"id":"https://openalex.org/keywords/nondestructive-testing","display_name":"Nondestructive testing","score":0.4859139025211334},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44265344738960266},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3422123193740845},{"id":"https://openalex.org/keywords/wave-propagation","display_name":"Wave propagation","score":0.3294724225997925},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32772231101989746},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.288324236869812},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17847996950149536}],"concepts":[{"id":"https://openalex.org/C142358356","wikidata":"https://www.wikidata.org/wiki/Q375680","display_name":"Lamb waves","level":3,"score":0.7825628519058228},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.6928731203079224},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6639168858528137},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6258776187896729},{"id":"https://openalex.org/C55494473","wikidata":"https://www.wikidata.org/wiki/Q727898","display_name":"Phased array","level":3,"score":0.6169348955154419},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4897909164428711},{"id":"https://openalex.org/C56529433","wikidata":"https://www.wikidata.org/wiki/Q626700","display_name":"Nondestructive testing","level":2,"score":0.4859139025211334},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44265344738960266},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3422123193740845},{"id":"https://openalex.org/C44886760","wikidata":"https://www.wikidata.org/wiki/Q1758425","display_name":"Wave propagation","level":2,"score":0.3294724225997925},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32772231101989746},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.288324236869812},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17847996950149536},{"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/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/sensors56945.2023.10324898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sensors56945.2023.10324898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE SENSORS","raw_type":"proceedings-article"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:143679","is_oa":false,"landing_page_url":"http://tubiblio.ulb.tu-darmstadt.de/143679/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196390","display_name":"TUbilio (Technical University of Darmstadt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31512782","host_organization_name":"Technische Universit\u00e4t Darmstadt","host_organization_lineage":["https://openalex.org/I31512782"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Konferenzver\u00f6ffentlichung"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5899999737739563,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1535980446","https://openalex.org/W1613559169","https://openalex.org/W1876778156","https://openalex.org/W1973448320","https://openalex.org/W2026655013","https://openalex.org/W2043790876","https://openalex.org/W2044199347","https://openalex.org/W2046294543","https://openalex.org/W2065455715","https://openalex.org/W2066218102","https://openalex.org/W2083216306","https://openalex.org/W2088909704","https://openalex.org/W2113638573","https://openalex.org/W2130393104","https://openalex.org/W2138356535","https://openalex.org/W2170608748","https://openalex.org/W2214684183","https://openalex.org/W2337083997","https://openalex.org/W2349044763","https://openalex.org/W2465697704","https://openalex.org/W2809772508","https://openalex.org/W2889167548","https://openalex.org/W2907250790","https://openalex.org/W2940764686","https://openalex.org/W2969366228","https://openalex.org/W2989699420","https://openalex.org/W2999846005","https://openalex.org/W3027706778","https://openalex.org/W3037904635","https://openalex.org/W3094364529","https://openalex.org/W3101169410","https://openalex.org/W3135469408","https://openalex.org/W3144609002","https://openalex.org/W3159638179","https://openalex.org/W3200774506","https://openalex.org/W3208235438","https://openalex.org/W3212998102","https://openalex.org/W4205124138","https://openalex.org/W4206408326","https://openalex.org/W4310584529","https://openalex.org/W4310584549","https://openalex.org/W4310584974","https://openalex.org/W4385391245","https://openalex.org/W4388450373","https://openalex.org/W6636321707"],"related_works":["https://openalex.org/W2043230455","https://openalex.org/W2963170046","https://openalex.org/W2979111876","https://openalex.org/W2127587082","https://openalex.org/W1989454727","https://openalex.org/W1969639234","https://openalex.org/W4318460080","https://openalex.org/W1987812283","https://openalex.org/W1967115876","https://openalex.org/W2011127171"],"abstract_inverted_index":{"Air-coupled":[0],"ultrasonic":[1,30],"non-destructive":[2],"testing":[3],"(NDT)":[4],"enables":[5],"the":[6,45,49,56,64,76,80,86,118,135,159,168,177,183],"inspection":[7],"of":[8,48,79,94,152],"composite":[9],"materials":[10],"for":[11,35,39],"defects.":[12],"In":[13],"this":[14],"paper,":[15],"we":[16,74,116,133],"investigate":[17],"non-contact":[18],"defect":[19,155],"detection":[20,47,120],"based":[21],"on":[22],"Lamb":[23,52,83,186],"waves":[24],"by":[25,90,122,137],"using":[26,123],"two":[27],"dedicated":[28],"air-coupled":[29,154],"phased":[31],"arrays,":[32],"i.e.":[33,63,97,110],"one":[34,38],"transmission":[36],"and":[37,85,101,112,148,174],"reception.":[40],"The":[41],"major":[42],"challenge":[43],"is":[44,163],"signal":[46,119],"reflected":[50,81,184],"leaky":[51,82,185],"wave":[53,84,89,162],"originating":[54],"from":[55],"defect,":[57],"despite":[58],"a":[59,69],"strong":[60],"interfering":[61],"signal,":[62],"direct":[65,87,160],"air-path":[66,88,161],"wave,":[67],"causing":[68],"so-called":[70],"blind":[71,169],"zone.":[72],"Therefore,":[73],"exploit":[75],"angular":[77],"difference":[78],"applying":[91],"high-resolution":[92],"direction":[93],"arrival$(\\text{DoA})$estimation":[95],"algorithms,":[96,103],"MVDR":[98,147],"beamformer":[99],"(Capon)":[100],"MUSIC":[102,149,178],"as":[104,106],"well":[105],"image":[107],"deconvolution":[108],"methods,":[109],"CLEAN":[111],"Richardson-Lucy":[113],"algorithms.":[114],"First,":[115],"assess":[117],"capability":[121],"Monte":[124],"Carlo":[125],"simulations":[126,136],"considering":[127],"realistic":[128],"non-ideal":[129],"array":[130],"elements.":[131],"Second,":[132],"validate":[134],"conducting":[138],"testbed":[139],"measurements,":[140],"which":[141],"show":[142,175],"that":[143,167,176],"conventional":[144],"beamforming":[145],"(CBF),":[146],"are":[150],"capable":[151],"fully":[153],"detection,":[156],"even":[157],"when":[158],"impinging.":[164],"We":[165],"conclude":[166],"zone":[170],"can":[171],"be":[172],"eliminated":[173],"algorithm":[179],"excels":[180],"in":[181],"highlighting":[182],"wave.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}