{"id":"https://openalex.org/W2796906318","doi":"https://doi.org/10.1109/tsp.2018.2814998","title":"Grid Evolution Method for DOA Estimation","display_name":"Grid Evolution Method for DOA Estimation","publication_year":2018,"publication_date":"2018-03-12","ids":{"openalex":"https://openalex.org/W2796906318","doi":"https://doi.org/10.1109/tsp.2018.2814998","mag":"2796906318"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2018.2814998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2814998","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","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/A5030326194","display_name":"Qianli Wang","orcid":"https://orcid.org/0000-0001-5834-2087"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianli Wang","raw_affiliation_strings":["School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-5834-2087","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029879015","display_name":"Zhiqin Zhao","orcid":"https://orcid.org/0000-0002-7908-1178"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqin Zhao","raw_affiliation_strings":["School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-7908-1178","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019293320","display_name":"Zhuming Chen","orcid":"https://orcid.org/0000-0002-4361-2408"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhuming Chen","raw_affiliation_strings":["School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077498008","display_name":"Zaiping Nie","orcid":"https://orcid.org/0000-0002-9563-4115"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zaiping Nie","raw_affiliation_strings":["School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-9563-4115","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.655,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.95678811,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"66","issue":"9","first_page":"2374","last_page":"2383"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9990000128746033,"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/grid","display_name":"Grid","score":0.7956033945083618},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6398665904998779},{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.5831875801086426},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5262431502342224},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.486304372549057},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.46849948167800903},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39992058277130127},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23660925030708313}],"concepts":[{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.7956033945083618},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6398665904998779},{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.5831875801086426},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5262431502342224},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.486304372549057},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.46849948167800903},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39992058277130127},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23660925030708313},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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":1,"locations":[{"id":"doi:10.1109/tsp.2018.2814998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2814998","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2781910279","display_name":null,"funder_award_id":"61727803","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4441083650","display_name":null,"funder_award_id":"61721001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6620005237","display_name":"\u975e\u5747\u5300\u4ecb\u8d28\u4e2d\u7684\u76ee\u6807\u53cd\u6f14\u4e0e\u6210\u50cf\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61571086","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W143004564","https://openalex.org/W1770500012","https://openalex.org/W1965392255","https://openalex.org/W1978571567","https://openalex.org/W1999867771","https://openalex.org/W2006579621","https://openalex.org/W2007675899","https://openalex.org/W2028823365","https://openalex.org/W2071284784","https://openalex.org/W2078204800","https://openalex.org/W2103519107","https://openalex.org/W2112855412","https://openalex.org/W2113638573","https://openalex.org/W2115141757","https://openalex.org/W2118693125","https://openalex.org/W2122315118","https://openalex.org/W2128131274","https://openalex.org/W2128439740","https://openalex.org/W2135046866","https://openalex.org/W2143330906","https://openalex.org/W2147656689","https://openalex.org/W2159270596","https://openalex.org/W2162654459","https://openalex.org/W2162876243","https://openalex.org/W2164696938","https://openalex.org/W2294649896","https://openalex.org/W2296616510","https://openalex.org/W2353809413","https://openalex.org/W2418077210","https://openalex.org/W2513373031","https://openalex.org/W2528695050","https://openalex.org/W2552777094","https://openalex.org/W2562625525","https://openalex.org/W2565293665","https://openalex.org/W2591434033","https://openalex.org/W2964106337","https://openalex.org/W3102166889","https://openalex.org/W3129711340","https://openalex.org/W4250955649","https://openalex.org/W4285719527","https://openalex.org/W6728275842","https://openalex.org/W6790626572"],"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/W1493245244","https://openalex.org/W155705146","https://openalex.org/W2381165205","https://openalex.org/W3012733398"],"abstract_inverted_index":{"Off-grid":[0],"direction":[1,13,85],"of":[2,14,36,72,86,97,135,235],"arrival":[3,87],"(OGDOA)":[4],"estimation":[5,27,66,89,99],"methods":[6,28,44,67,100],"deal":[7],"with":[8,31,185],"the":[9,20,64,70,95,108,186,219,233,236],"situations":[10],"where":[11],"true":[12,50],"arrivals":[15],"(DOAs)":[16],"are":[17,29,182,198],"not":[18],"on":[19,94,179],"discretized":[21],"sampling":[22],"grid.":[23],"However,":[24],"existing":[25],"OGDOA":[26,65,98],"faced":[30],"a":[32,55,82,159],"tradeoff":[33],"between":[34],"density":[35],"initial":[37,79],"grid":[38,57,80,83,102,109,136,148,160,172,181,196,221],"and":[39,68,101,125,138,150,170,173,208],"computational":[40,192],"workload.":[41],"Furthermore,":[42,203],"these":[43],"fail":[45],"if":[46],"more":[47,73],"than":[48,74],"one":[49,75,78,156],"DOA":[51,76,157],"is":[52,91,154,216,227],"located":[53],"in":[54,77,158],"same":[56],"interval.":[58,161],"In":[59],"order":[60],"to":[61,114,132,145],"speed":[62],"up":[63],"solve":[69],"problem":[71],"interval,":[81],"evolution":[84],"(GEDOA)":[88],"method":[90,118],"proposed.":[92],"Based":[93],"combination":[96],"refinement,":[103],"this":[104,180,224],"new":[105,147,225],"approach":[106,226],"makes":[107],"nonuniformly":[110],"evolve":[111],"from":[112],"coarse":[113],"dense.":[115],"The":[116,128,141,162],"proposed":[117,237],"contains":[119],"two":[120,163],"subprocesses,":[121],"i.e.,":[122],"learning":[123,129],"process":[124,130,143],"fission":[126,142],"process.":[127],"aims":[131,144],"update":[133],"locations":[134],"points":[137,149,197],"estimate":[139],"DOAs.":[140],"generate":[146],"guarantees":[151],"that":[152,218],"there":[153],"only":[155],"processes":[164],"iterate":[165],"alternatively.":[166],"Finally,":[167],"an":[168,174],"adaptive":[169],"nonuniform":[171],"estimated":[175],"spatial":[176],"spectrum":[177],"based":[178],"achieved.":[183],"Compared":[184],"previous":[187],"methods,":[188],"GEDOA":[189,204],"has":[190,205],"better":[191,206],"efficiency":[193],"because":[194,217],"fewer":[195],"used":[199],"at":[200,211],"each":[201],"iteration.":[202],"resolution":[207],"lower":[209],"MSE":[210],"relative":[212],"high":[213],"SNR.":[214],"This":[215],"evolved":[220],"obtained":[222],"by":[223],"information":[228],"adaptive.":[229],"Numerical":[230],"simulations":[231],"validate":[232],"effectiveness":[234],"method.":[238]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5}],"updated_date":"2026-06-19T17:40:00.097472","created_date":"2025-10-10T00:00:00"}