{"id":"https://openalex.org/W2898431163","doi":"https://doi.org/10.1109/access.2018.2877727","title":"Robust Sparse Bayesian Learning for Off-Grid DOA Estimation With Non-Uniform Noise","display_name":"Robust Sparse Bayesian Learning for Off-Grid DOA Estimation With Non-Uniform Noise","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2898431163","doi":"https://doi.org/10.1109/access.2018.2877727","mag":"2898431163"},"language":"en","primary_location":{"id":"doi:10.1109/access.2018.2877727","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2877727","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":null,"license_id":null,"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.2018.2877727","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011073256","display_name":"Huafei Wang","orcid":"https://orcid.org/0000-0002-0982-9136"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huafei Wang","raw_affiliation_strings":["State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101947451","display_name":"Xianpeng Wang","orcid":"https://orcid.org/0000-0002-6681-6489"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianpeng Wang","raw_affiliation_strings":["State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China"],"raw_orcid":"https://orcid.org/0000-0002-6681-6489","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026853484","display_name":"Liangtian Wan","orcid":"https://orcid.org/0000-0003-0574-8360"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liangtian Wan","raw_affiliation_strings":["Key Laboratory for Ubiquitous Network and Service Software of Liaoning Province, School of Software, Dalian University of Technology, Dalian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory for Ubiquitous Network and Service Software of Liaoning Province, School of Software, Dalian University of Technology, Dalian, China","institution_ids":["https://openalex.org/I27357992"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011132245","display_name":"Mengxing Huang","orcid":"https://orcid.org/0000-0002-5709-703X"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengxing Huang","raw_affiliation_strings":["State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, College of Information Science and Technology, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.1323,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.88469799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"6","issue":null,"first_page":"64688","last_page":"64697"},"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":0.9986000061035156,"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":0.998199999332428,"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/discretization","display_name":"Discretization","score":0.708402693271637},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6646319627761841},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6517348289489746},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6201108694076538},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5679494738578796},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.45573386549949646},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.42140185832977295},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3536071479320526},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27711501717567444},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22331500053405762}],"concepts":[{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.708402693271637},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6646319627761841},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6517348289489746},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6201108694076538},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5679494738578796},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.45573386549949646},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.42140185832977295},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3536071479320526},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27711501717567444},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22331500053405762},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2018.2877727","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2877727","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a8228b83bc0b4273b006af544fbca9b8","is_oa":true,"landing_page_url":"https://doaj.org/article/a8228b83bc0b4273b006af544fbca9b8","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 6, Pp 64688-64697 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2018.2877727","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2877727","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1441834518","display_name":null,"funder_award_id":"61701144","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3183269397","display_name":null,"funder_award_id":"QCXM201706","funder_id":"https://openalex.org/F4320325360","funder_display_name":"Hainan Association for Science and Technology"},{"id":"https://openalex.org/G3466301072","display_name":null,"funder_award_id":"ZDKJ2016015","funder_id":"https://openalex.org/F4320325360","funder_display_name":"Hainan Association for Science and Technology"},{"id":"https://openalex.org/G4144673559","display_name":null,"funder_award_id":"61801076","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4447325629","display_name":null,"funder_award_id":"KYQD(ZR)1731","funder_id":"https://openalex.org/F4320323370","funder_display_name":"Hainan University"},{"id":"https://openalex.org/G6966805323","display_name":null,"funder_award_id":"617024","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322866","display_name":"Natural Science Foundation of Hainan Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323370","display_name":"Hainan University","ror":"https://ror.org/03q648j11"},{"id":"https://openalex.org/F4320325360","display_name":"Hainan Association for Science and Technology","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1434643999","https://openalex.org/W1834265579","https://openalex.org/W1967075299","https://openalex.org/W1978571567","https://openalex.org/W1986439111","https://openalex.org/W1997222146","https://openalex.org/W2023470110","https://openalex.org/W2028823365","https://openalex.org/W2036888338","https://openalex.org/W2068512312","https://openalex.org/W2083640165","https://openalex.org/W2101658087","https://openalex.org/W2103519107","https://openalex.org/W2104610749","https://openalex.org/W2113638573","https://openalex.org/W2115141757","https://openalex.org/W2122466069","https://openalex.org/W2128131274","https://openalex.org/W2152524816","https://openalex.org/W2155178324","https://openalex.org/W2158541895","https://openalex.org/W2162654459","https://openalex.org/W2162876243","https://openalex.org/W2294949633","https://openalex.org/W2296261412","https://openalex.org/W2303541268","https://openalex.org/W2397865640","https://openalex.org/W2465316997","https://openalex.org/W2513373031","https://openalex.org/W2568346404","https://openalex.org/W2761138892","https://openalex.org/W2779465872","https://openalex.org/W2889114103","https://openalex.org/W3102166889","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2006251942","https://openalex.org/W2364741597","https://openalex.org/W1492103595","https://openalex.org/W1864774435","https://openalex.org/W946352265","https://openalex.org/W3020787026","https://openalex.org/W2334479858","https://openalex.org/W1493245244","https://openalex.org/W155705146","https://openalex.org/W3012733398"],"abstract_inverted_index":{"The":[0,103],"performance":[1,116,128],"of":[2,16,52,89],"traditional":[3],"sparse":[4,32],"representation-based":[5],"direction-of-arrival":[6],"(DOA)":[7],"estimation":[8,41,115],"algorithm":[9,81],"is":[10,36,55,82,97],"substantially":[11],"degraded":[12],"in":[13,69],"the":[14,24,46,49,64,70,79,87,90,108],"presence":[15],"non-uniform":[17,43,53,120],"noise":[18,54],"and":[19,78],"off-grid":[20,39],"gap":[21],"caused":[22],"by":[23,57,99],"discretization":[25,91],"processes.":[26],"In":[27,45],"this":[28],"paper,":[29],"a":[30,58,101,130],"robust":[31],"Bayesian":[33],"learning":[34],"method":[35,110],"proposed":[37,47,109],"for":[38],"DOA":[40,114],"with":[42,117],"noise.":[44,121],"method,":[48],"covariance":[50],"matrix":[51],"reconstructed":[56],"modified":[59],"inverse":[60],"iteration":[61],"method.":[62],"Then,":[63],"discrete":[65],"sampling":[66],"grid":[67,92,132],"points":[68],"spatial":[71],"domain":[72],"are":[73],"treated":[74],"as":[75],"dynamic":[76],"parameters,":[77],"expectation-maximization":[80],"used":[83],"to":[84],"iteratively":[85],"refine":[86],"position":[88],"points.":[93],"This":[94],"refinement":[95],"procedure":[96],"implemented":[98],"solving":[100],"polynomial.":[102],"simulation":[104],"results":[105],"indicate":[106],"that":[107],"can":[111,124],"maintain":[112],"excellent":[113],"uniform":[118],"or":[119],"Furthermore,":[122],"it":[123],"also":[125],"achieve":[126],"satisfactory":[127],"under":[129],"coarse":[131],"condition.":[133]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}