{"id":"https://openalex.org/W3000289946","doi":"https://doi.org/10.1109/access.2020.2965177","title":"Analysis of a Quadcopter\u2019s Acoustic Signature in Different Flight Regimes","display_name":"Analysis of a Quadcopter\u2019s Acoustic Signature in Different Flight Regimes","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3000289946","doi":"https://doi.org/10.1109/access.2020.2965177","mag":"3000289946"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.2965177","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2965177","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08954678.pdf","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://ieeexplore.ieee.org/ielx7/6287639/8948470/08954678.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037868058","display_name":"Ivan Djurek","orcid":"https://orcid.org/0000-0003-2368-7223"},"institutions":[{"id":"https://openalex.org/I181343428","display_name":"University of Zagreb","ror":"https://ror.org/00mv6sv71","country_code":"HR","type":"education","lineage":["https://openalex.org/I181343428"]}],"countries":["HR"],"is_corresponding":false,"raw_author_name":"Ivan Djurek","raw_affiliation_strings":["Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia"],"raw_orcid":"https://orcid.org/0000-0003-2368-7223","affiliations":[{"raw_affiliation_string":"Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia","institution_ids":["https://openalex.org/I181343428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021493861","display_name":"Antonio Peto\u0161i\u0107","orcid":"https://orcid.org/0000-0003-2069-2764"},"institutions":[{"id":"https://openalex.org/I181343428","display_name":"University of Zagreb","ror":"https://ror.org/00mv6sv71","country_code":"HR","type":"education","lineage":["https://openalex.org/I181343428"]}],"countries":["HR"],"is_corresponding":false,"raw_author_name":"Antonio Petosic","raw_affiliation_strings":["Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia"],"raw_orcid":"https://orcid.org/0000-0003-2069-2764","affiliations":[{"raw_affiliation_string":"Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia","institution_ids":["https://openalex.org/I181343428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069200439","display_name":"Sanja Grube\u0161a","orcid":"https://orcid.org/0000-0002-3843-5355"},"institutions":[{"id":"https://openalex.org/I181343428","display_name":"University of Zagreb","ror":"https://ror.org/00mv6sv71","country_code":"HR","type":"education","lineage":["https://openalex.org/I181343428"]}],"countries":["HR"],"is_corresponding":false,"raw_author_name":"Sanja Grubesa","raw_affiliation_strings":["Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia"],"raw_orcid":"https://orcid.org/0000-0002-3843-5355","affiliations":[{"raw_affiliation_string":"Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia","institution_ids":["https://openalex.org/I181343428"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078959136","display_name":"Mia Suhanek","orcid":"https://orcid.org/0000-0001-5678-149X"},"institutions":[{"id":"https://openalex.org/I181343428","display_name":"University of Zagreb","ror":"https://ror.org/00mv6sv71","country_code":"HR","type":"education","lineage":["https://openalex.org/I181343428"]}],"countries":["HR"],"is_corresponding":false,"raw_author_name":"Mia Suhanek","raw_affiliation_strings":["Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia"],"raw_orcid":"https://orcid.org/0000-0001-5678-149X","affiliations":[{"raw_affiliation_string":"Department of Electroacoustics, Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia","institution_ids":["https://openalex.org/I181343428"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I181343428"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.8337,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.84534752,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"8","issue":null,"first_page":"10662","last_page":"10670"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12759","display_name":"Vehicle Noise and Vibration Control","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T12759","display_name":"Vehicle Noise and Vibration Control","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9865000247955322,"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/T10534","display_name":"Structural Health Monitoring Techniques","score":0.984499990940094,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/quadcopter","display_name":"Quadcopter","score":0.9970660209655762},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.651556670665741},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6272640228271484},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4667850732803345},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.44168075919151306},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4331907629966736},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.3407060503959656},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.22297215461730957},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18280774354934692},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1694774031639099},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1580340564250946},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.06824719905853271}],"concepts":[{"id":"https://openalex.org/C2779199153","wikidata":"https://www.wikidata.org/wiki/Q43965","display_name":"Quadcopter","level":2,"score":0.9970660209655762},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.651556670665741},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6272640228271484},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4667850732803345},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.44168075919151306},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4331907629966736},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.3407060503959656},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.22297215461730957},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18280774354934692},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1694774031639099},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1580340564250946},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.06824719905853271},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.2965177","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2965177","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08954678.pdf","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:25f83858b5664a5aa6b8ed9f00e24358","is_oa":true,"landing_page_url":"https://doaj.org/article/25f83858b5664a5aa6b8ed9f00e24358","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":"IEEE Access, Vol 8, Pp 10662-10670 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.2965177","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2965177","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08954678.pdf","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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.6899999976158142}],"awards":[{"id":"https://openalex.org/G5237910948","display_name":null,"funder_award_id":"KK.01.2.1.01.0103","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G5659617074","display_name":null,"funder_award_id":"KK.01.2.1.01.0103 4D Acoustical Camera (in Croatian: 4D Akusti\u010dka kamera)","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3000289946.pdf","grobid_xml":"https://content.openalex.org/works/W3000289946.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W781528584","https://openalex.org/W1519571160","https://openalex.org/W1973734421","https://openalex.org/W2066986520","https://openalex.org/W2141666765","https://openalex.org/W2248342438","https://openalex.org/W2420956047","https://openalex.org/W2472542260","https://openalex.org/W2581387731","https://openalex.org/W2587141750","https://openalex.org/W2607172015","https://openalex.org/W2731587879","https://openalex.org/W2901889330","https://openalex.org/W2911894576","https://openalex.org/W3010869312","https://openalex.org/W6775026357"],"related_works":["https://openalex.org/W4210376836","https://openalex.org/W4210925376","https://openalex.org/W1633995705","https://openalex.org/W2596211269","https://openalex.org/W197862639","https://openalex.org/W2360384790","https://openalex.org/W4232397253","https://openalex.org/W4235913033","https://openalex.org/W2109284253","https://openalex.org/W2039966832"],"abstract_inverted_index":{"This":[0],"paper":[1,85,109],"presents":[2],"a":[3,47,136,166],"detailed":[4],"analysis":[5,158],"of":[6,52,102,183],"quadcopter":[7,20,105,113],"noise":[8,89,168],"emitted":[9,90,117],"in":[10,125,141],"different":[11,126],"flight":[12],"regimes":[13],"and":[14,29,49,61,76,154],"suggests":[15],"an":[16],"innovative":[17],"approach":[18],"to":[19,96,147],"sound":[21],"detection.":[22],"Currently,":[23],"quadcopters":[24,53,71],"have":[25,72,79],"become":[26],"extremely":[27],"popular":[28],"are":[30,41],"used":[31,122],"for":[32,123],"various":[33],"applications.":[34],"In":[35],"some":[36,70],"case":[37],"scenarios,":[38],"these":[39],"applications":[40],"not":[42,65],"legal;":[43],"therefore,":[44],"they":[45],"represent":[46],"threat,":[48],"early":[50],"detection":[51,58,124],"becomes":[54],"imperative.":[55],"However,":[56],"conventional":[57],"with":[59,115,135,165],"radars":[60],"infrared":[62],"cameras":[63],"does":[64],"provide":[66],"satisfactory":[67],"results,":[68],"since":[69],"relatively":[73],"small":[74],"dimensions,":[75],"their":[77],"motors":[78],"low":[80],"heat":[81],"emissions.":[82],"Thus,":[83,107],"this":[84],"focuses":[86],"on":[87],"the":[88,97,103,108,111,116,152,161,174,181,184],"by":[91],"quadcopters,":[92],"which":[93,119,139],"is":[94],"connected":[95],"changing":[98],"revolutions":[99],"per":[100],"minute":[101],"electric":[104],"motors.":[106,156],"connects":[110],"unique":[112],"features":[114],"sounds,":[118],"can":[120,170],"be":[121,171],"acoustic":[127],"environments.":[128],"The":[129,157],"suggested":[130],"algorithm":[131],"uses":[132],"signal":[133,163,169],"processing":[134],"nonlinear":[137],"function,":[138],"results":[140],"new":[142],"spectral":[143],"lines":[144],"that":[145,160],"correspond":[146],"rotational":[148],"speed":[149],"differences":[150],"between":[151],"front":[153],"rear":[155],"shows":[159],"processed":[162],"mixed":[164],"traffic":[167],"detected":[172],"when":[173],"level":[175,182],"reaches":[176],"3":[177],"dB":[178],"lower":[179],"than":[180],"surrounding":[185],"noise.":[186]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2020-01-23T00:00:00"}