{"id":"https://openalex.org/W2609056916","doi":"https://doi.org/10.3390/s17040939","title":"Direction of Arrival Estimation for MIMO Radar via Unitary Nuclear Norm Minimization","display_name":"Direction of Arrival Estimation for MIMO Radar via Unitary Nuclear Norm Minimization","publication_year":2017,"publication_date":"2017-04-24","ids":{"openalex":"https://openalex.org/W2609056916","doi":"https://doi.org/10.3390/s17040939","mag":"2609056916","pmid":"https://pubmed.ncbi.nlm.nih.gov/28441770"},"language":"en","primary_location":{"id":"doi:10.3390/s17040939","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040939","pdf_url":"https://www.mdpi.com/1424-8220/17/4/939/pdf?version=1493031912","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/1424-8220/17/4/939/pdf?version=1493031912","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","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":["College of Information Science and Technology, Hainan University, Haikou 570228, China","State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Technology, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]},{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","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":true,"raw_author_name":"Mengxing Huang","raw_affiliation_strings":["College of Information Science and Technology, Hainan University, Haikou 570228, China","State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Technology, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]},{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101845351","display_name":"Xiaoqin Wu","orcid":"https://orcid.org/0000-0001-6051-8459"},"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":"Xiaoqin Wu","raw_affiliation_strings":["College of Information Science and Technology, Hainan University, Haikou 570228, China","State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Technology, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]},{"raw_affiliation_string":"State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108551743","display_name":"Guoan Bi","orcid":"https://orcid.org/0000-0002-9011-9181"},"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":"Guoan Bi","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5011132245"],"corresponding_institution_ids":["https://openalex.org/I20942203"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.0094,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.87681006,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"17","issue":"4","first_page":"939","last_page":"939"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9991000294685364,"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/T10860","display_name":"Speech and Audio Processing","score":0.9984999895095825,"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":0.6763886213302612},{"id":"https://openalex.org/keywords/unitary-transformation","display_name":"Unitary transformation","score":0.6183445453643799},{"id":"https://openalex.org/keywords/underdetermined-system","display_name":"Underdetermined system","score":0.5939145088195801},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.58133465051651},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5532003045082092},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5394182801246643},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5338766574859619},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.49331751465797424},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.45343366265296936},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.4256516396999359},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3523637056350708},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3275378346443176},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.17086845636367798},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11437085270881653},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.09817281365394592}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6763886213302612},{"id":"https://openalex.org/C179371143","wikidata":"https://www.wikidata.org/wiki/Q2495534","display_name":"Unitary transformation","level":3,"score":0.6183445453643799},{"id":"https://openalex.org/C179690561","wikidata":"https://www.wikidata.org/wiki/Q4316110","display_name":"Underdetermined system","level":2,"score":0.5939145088195801},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.58133465051651},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5532003045082092},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5394182801246643},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5338766574859619},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.49331751465797424},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.45343366265296936},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.4256516396999359},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3523637056350708},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3275378346443176},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.17086845636367798},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11437085270881653},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.09817281365394592},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political 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},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s17040939","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040939","pdf_url":"https://www.mdpi.com/1424-8220/17/4/939/pdf?version=1493031912","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:28441770","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28441770","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:doaj.org/article:abd8406a227547509c045b7d09694f8d","is_oa":true,"landing_page_url":"https://doaj.org/article/abd8406a227547509c045b7d09694f8d","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 17, Iss 4, p 939 (2017)","raw_type":"article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/87056","is_oa":true,"landing_page_url":"http://hdl.handle.net/10220/44300","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"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":null,"raw_type":"Journal Article"},{"id":"pmh:oai:europepmc.org:4276440","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5426935","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"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":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/17/4/939/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s17040939","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; Volume 17; Issue 4; Pages: 939","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s17040939","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040939","pdf_url":"https://www.mdpi.com/1424-8220/17/4/939/pdf?version=1493031912","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":[{"display_name":"Affordable and clean energy","score":0.41999998688697815,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1226460968","display_name":null,"funder_award_id":"ZDKJ2016015","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1589687323","display_name":"\u5927\u6570\u636e\u73af\u5883\u4e0b\u57fa\u4e8e\u591a\u6e90\u6570\u636e\u534f\u540c\u7684\u4e2a\u6027\u5316\u670d\u52a1\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61462022","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3360450733","display_name":null,"funder_award_id":"20166214,617024","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"},{"id":"https://openalex.org/G4177942195","display_name":null,"funder_award_id":"ZDKJ2016015","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"},{"id":"https://openalex.org/G4396500541","display_name":null,"funder_award_id":"ZDKJ2016015","funder_id":"https://openalex.org/F4320335957","funder_display_name":"Major Science and Technology Project of Hainan Province"},{"id":"https://openalex.org/G486216729","display_name":null,"funder_award_id":"20166214","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"},{"id":"https://openalex.org/G5281399005","display_name":null,"funder_award_id":"61462022","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"},{"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/F4320335957","display_name":"Major Science and Technology Project of Hainan Province","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2609056916.pdf","grobid_xml":"https://content.openalex.org/works/W2609056916.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W79595587","https://openalex.org/W1434643999","https://openalex.org/W1504196308","https://openalex.org/W1971846076","https://openalex.org/W1976610865","https://openalex.org/W1990048725","https://openalex.org/W1992723673","https://openalex.org/W2018744547","https://openalex.org/W2019473268","https://openalex.org/W2025654678","https://openalex.org/W2035657168","https://openalex.org/W2041585316","https://openalex.org/W2083506609","https://openalex.org/W2083671377","https://openalex.org/W2103519107","https://openalex.org/W2107861471","https://openalex.org/W2109762271","https://openalex.org/W2112560444","https://openalex.org/W2118693125","https://openalex.org/W2127863586","https://openalex.org/W2130342534","https://openalex.org/W2132639093","https://openalex.org/W2132679193","https://openalex.org/W2156782020","https://openalex.org/W2164997031","https://openalex.org/W2165615111","https://openalex.org/W2303541268","https://openalex.org/W2340820527","https://openalex.org/W2559897227","https://openalex.org/W2568346404"],"related_works":["https://openalex.org/W2549922247","https://openalex.org/W2300663769","https://openalex.org/W1523391825","https://openalex.org/W2152231009","https://openalex.org/W2665564927","https://openalex.org/W2735239078","https://openalex.org/W2152589265","https://openalex.org/W2963414100","https://openalex.org/W2372875289","https://openalex.org/W2372042310"],"abstract_inverted_index":{"In":[0,31,83],"this":[1],"paper,":[2],"we":[3],"consider":[4],"the":[5,32,35,44,49,80,85,98,104,110,116,120,126,133,144,146,154,161,166,175,180],"direction":[6],"of":[7,12,38,107,119,124,129,168,179],"arrival":[8],"(DOA)":[9],"estimation":[10],"issue":[11],"noncircular":[13,36,127],"(NC)":[14],"source":[15],"in":[16],"multiple-input":[17],"multiple-output":[18],"(MIMO)":[19],"radar":[20],"and":[21,48,72,137,177],"propose":[22],"a":[23,59,68,73,93],"novel":[24,69],"unitary":[25,56],"nuclear":[26,99],"norm":[27,100],"minimization":[28,101],"(UNNM)":[29],"algorithm.":[30],"proposed":[33,147,162,181],"method,":[34],"properties":[37,128],"signals":[39,130],"are":[40,52],"used":[41,90],"to":[42,91,102,131,142],"double":[43],"virtual":[45,134],"array":[46,135],"aperture,":[47],"real-valued":[50,60,86],"data":[51],"obtained":[53],"by":[54,114],"utilizing":[55],"transformation.":[57],"Then":[58],"block":[61],"sparse":[62,156],"model":[63],"is":[64,76,89,112],"established":[65],"based":[66,158],"on":[67],"over-complete":[70],"dictionary,":[71],"UNNM":[74],"algorithm":[75],"formulated":[77],"for":[78,96],"recovering":[79],"block-sparse":[81],"matrix.":[82,122],"addition,":[84],"NC-MUSIC":[87],"spectrum":[88],"design":[92],"weight":[94],"matrix":[95],"reweighting":[97],"achieve":[103],"enhanced":[105],"sparsity":[106],"solutions.":[108],"Finally,":[109],"DOA":[111,170],"estimated":[113],"searching":[115],"non-zero":[117],"blocks":[118],"recovered":[121],"Because":[123],"using":[125],"extend":[132],"aperture":[136],"an":[138],"additional":[139],"real":[140],"structure":[141],"suppress":[143],"noise,":[145],"method":[148,163],"provides":[149],"better":[150],"performance":[151],"compared":[152],"with":[153],"conventional":[155],"recovery":[157],"algorithms.":[159],"Furthermore,":[160],"can":[164],"handle":[165],"case":[167],"underdetermined":[169],"estimation.":[171],"Simulation":[172],"results":[173],"show":[174],"effectiveness":[176],"advantages":[178],"method.":[182]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}