{"id":"https://openalex.org/W2996237779","doi":"https://doi.org/10.3390/s20010040","title":"A Novel Real-Valued DOA Algorithm Based on Eigenvalue","display_name":"A Novel Real-Valued DOA Algorithm Based on Eigenvalue","publication_year":2019,"publication_date":"2019-12-19","ids":{"openalex":"https://openalex.org/W2996237779","doi":"https://doi.org/10.3390/s20010040","mag":"2996237779","pmid":"https://pubmed.ncbi.nlm.nih.gov/31861647"},"language":"en","primary_location":{"id":"doi:10.3390/s20010040","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20010040","pdf_url":"https://www.mdpi.com/1424-8220/20/1/40/pdf?version=1576836610","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/1424-8220/20/1/40/pdf?version=1576836610","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006091447","display_name":"Desen Yang","orcid":"https://orcid.org/0000-0001-7120-3508"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"De-Sen Yang","raw_affiliation_strings":["Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China","College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China","Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University) Ministry of Industry and Information Technology, Harbin 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University) Ministry of Industry and Information Technology, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053990010","display_name":"Feng Chen","orcid":"https://orcid.org/0000-0003-3995-9211"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Chen","raw_affiliation_strings":["College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China"],"raw_orcid":"https://orcid.org/0000-0003-3995-9211","affiliations":[{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063683066","display_name":"Shiqi Mo","orcid":"https://orcid.org/0000-0002-6009-7102"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shi-Qi Mo","raw_affiliation_strings":["Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China","College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China","Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University) Ministry of Industry and Information Technology, Harbin 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University) Ministry of Industry and Information Technology, Harbin 150001, China","institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5063683066"],"corresponding_institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.6677,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.70295282,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"20","issue":"1","first_page":"40","last_page":"40"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.7493857145309448},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5887039303779602},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5842315554618835},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5792174935340881},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.5370064973831177},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.525201141834259},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4847719073295593},{"id":"https://openalex.org/keywords/eigendecomposition-of-a-matrix","display_name":"Eigendecomposition of a matrix","score":0.4754176735877991},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.41513964533805847},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1498822271823883},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12370264530181885}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7493857145309448},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5887039303779602},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5842315554618835},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5792174935340881},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.5370064973831177},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.525201141834259},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4847719073295593},{"id":"https://openalex.org/C169756996","wikidata":"https://www.wikidata.org/wiki/Q194919","display_name":"Eigendecomposition of a matrix","level":3,"score":0.4754176735877991},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.41513964533805847},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1498822271823883},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12370264530181885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s20010040","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20010040","pdf_url":"https://www.mdpi.com/1424-8220/20/1/40/pdf?version=1576836610","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:31861647","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31861647","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:mdpi.com:/1424-8220/20/1/40/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s20010040","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:6982889","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6982889","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"}],"best_oa_location":{"id":"doi:10.3390/s20010040","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20010040","pdf_url":"https://www.mdpi.com/1424-8220/20/1/40/pdf?version=1576836610","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":[{"score":0.4699999988079071,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321106","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2996237779.pdf","grobid_xml":"https://content.openalex.org/works/W2996237779.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1996639130","https://openalex.org/W2011768471","https://openalex.org/W2012895011","https://openalex.org/W2033332370","https://openalex.org/W2066218102","https://openalex.org/W2067293606","https://openalex.org/W2094578514","https://openalex.org/W2101658087","https://openalex.org/W2113638573","https://openalex.org/W2138320838","https://openalex.org/W2162654459","https://openalex.org/W2295825611","https://openalex.org/W2325816482","https://openalex.org/W2519900869","https://openalex.org/W2547733646","https://openalex.org/W2727520011","https://openalex.org/W2755203940","https://openalex.org/W2790478857","https://openalex.org/W2790761600","https://openalex.org/W2792557637","https://openalex.org/W2807221646","https://openalex.org/W2892433162","https://openalex.org/W2898700176","https://openalex.org/W2900338801","https://openalex.org/W2963784132","https://openalex.org/W6701687517"],"related_works":["https://openalex.org/W2117760611","https://openalex.org/W4382204317","https://openalex.org/W2360754927","https://openalex.org/W2005200408","https://openalex.org/W2100915163","https://openalex.org/W2005921625","https://openalex.org/W2113817303","https://openalex.org/W2156673141","https://openalex.org/W2470850800","https://openalex.org/W2360026010"],"abstract_inverted_index":{"To":[0],"solve":[1],"the":[2,6,43,60,66,69,78,89,92,96,101,107,121],"high":[3],"complexity":[4],"of":[5,62,91],"subspace-based":[7],"direction-of-arrival":[8],"(DOA)":[9],"estimation":[10],"algorithm,":[11],"a":[12,83,116],"super-resolution":[13,56],"DOA":[14],"algorithm":[15,53,57,103],"is":[16,27,39,49],"built":[17],"in":[18,22,34,52],"this":[19,23,35],"paper.":[20],"However,":[21],"method,":[24],"matrix":[25,71,80,93],"decomposition":[26],"required":[28],"for":[29],"each":[30],"search":[31,109],"angle.":[32],"Therefore,":[33],"paper,":[36],"real-valued":[37,79,84],"processing":[38],"used":[40],"to":[41,87],"reduce":[42],"scanning":[44],"range":[45,110],"by":[46,111],"half,":[47],"which":[48],"less":[50],"effective":[51],"complexity.":[54],"The":[55],"mainly":[58],"uses":[59],"conservation":[61],"energy.":[63],"By":[64],"exploring":[65],"relationship":[67],"between":[68],"covariance":[70],"and":[72,81],"its":[73],"complex":[74],"conjugate,":[75],"we":[76],"constructed":[77],"introduced":[82],"searching":[85],"source":[86],"make":[88],"operation":[90],"real-valued.":[94],"Finally,":[95],"simulation":[97],"experiments":[98],"show":[99],"that":[100],"proposed":[102],"not":[104],"only":[105],"reduces":[106],"spectral":[108],"half":[112],"but":[113],"also":[114],"has":[115],"higher":[117],"angular":[118],"resolution":[119],"than":[120],"traditional":[122],"algorithm.":[123]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
