{"id":"https://openalex.org/W4320005477","doi":"https://doi.org/10.1109/lsp.2023.3242808","title":"Off-Grid DOA Estimation for Noncircular Signals via Block Sparse Representation Using Extended Transformed Nested Array","display_name":"Off-Grid DOA Estimation for Noncircular Signals via Block Sparse Representation Using Extended Transformed Nested Array","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4320005477","doi":"https://doi.org/10.1109/lsp.2023.3242808"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2023.3242808","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2023.3242808","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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/A5087500855","display_name":"Jiawen Yuan","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiawen Yuan","raw_affiliation_strings":["Key Lab of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Lab of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100368308","display_name":"Gong Zhang","orcid":"https://orcid.org/0000-0002-7723-7538"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gong Zhang","raw_affiliation_strings":["Key Lab of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Lab of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061884304","display_name":"Henry Leung","orcid":"https://orcid.org/0000-0002-5984-107X"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Henry Leung","raw_affiliation_strings":["Department of Electrical and Software Engineering, University of Calgary, Calgary, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Software Engineering, University of Calgary, Calgary, Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053586699","display_name":"Shaodan Ma","orcid":"https://orcid.org/0000-0001-5521-3650"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]},{"id":"https://openalex.org/I6469544","display_name":"City University of Macau","ror":"https://ror.org/04gpd4q15","country_code":"MO","type":"education","lineage":["https://openalex.org/I6469544"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Shaodan Ma","raw_affiliation_strings":["State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China","institution_ids":["https://openalex.org/I6469544","https://openalex.org/I204512498"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5087500855"],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":2.5753,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.90185989,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"30","issue":null,"first_page":"130","last_page":"134"},"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":0.998199999332428,"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"}},{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/block","display_name":"Block (permutation group theory)","score":0.6851929426193237},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.683428168296814},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6390213966369629},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6185394525527954},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5843284130096436},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5841474533081055},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5820004343986511},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.453769326210022},{"id":"https://openalex.org/keywords/displacement","display_name":"Displacement (psychology)","score":0.438856840133667},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.23387378454208374},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2248840630054474},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.19424626231193542},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17677441239356995},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.09616214036941528}],"concepts":[{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6851929426193237},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.683428168296814},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6390213966369629},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6185394525527954},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5843284130096436},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5841474533081055},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5820004343986511},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.453769326210022},{"id":"https://openalex.org/C107551265","wikidata":"https://www.wikidata.org/wiki/Q1458245","display_name":"Displacement (psychology)","level":2,"score":0.438856840133667},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.23387378454208374},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2248840630054474},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.19424626231193542},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17677441239356995},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.09616214036941528},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2023.3242808","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2023.3242808","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.7799999713897705,"display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G2171614170","display_name":null,"funder_award_id":"62271255","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6662867112","display_name":null,"funder_award_id":"61871218","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2003157621","https://openalex.org/W2083671377","https://openalex.org/W2091373577","https://openalex.org/W2143110984","https://openalex.org/W2159448753","https://openalex.org/W2164997031","https://openalex.org/W2169013630","https://openalex.org/W2396089596","https://openalex.org/W2587792932","https://openalex.org/W2792557637","https://openalex.org/W2900714825","https://openalex.org/W2924900823","https://openalex.org/W3004575199","https://openalex.org/W3010556486","https://openalex.org/W3012032281","https://openalex.org/W3112685979","https://openalex.org/W3120384044","https://openalex.org/W3152363498","https://openalex.org/W3208518799","https://openalex.org/W3210584818","https://openalex.org/W4282836373","https://openalex.org/W6720517044"],"related_works":["https://openalex.org/W220204844","https://openalex.org/W2386116359","https://openalex.org/W2034787012","https://openalex.org/W2056106220","https://openalex.org/W2399902902","https://openalex.org/W3149342744","https://openalex.org/W2460722997","https://openalex.org/W2368026886","https://openalex.org/W2348335215","https://openalex.org/W1522778945"],"abstract_inverted_index":{"An":[0],"off-grid":[1,29],"direction-of-arrival":[2],"(DOA)":[3],"estimation":[4,31,52,109],"method":[5],"based":[6],"on":[7,81],"block":[8],"sparse":[9],"representation":[10],"is":[11,41,77],"proposed":[12],"to":[13,43,70],"localize":[14],"the":[15,50,63,67,72,82,87,94,99],"strictly":[16],"noncircular":[17],"(NC)":[18],"sources":[19],"utilizing":[20],"an":[21,78],"extended":[22],"transformed":[23],"nested":[24],"array":[25],"(ETNA).":[26],"This":[27],"novel":[28],"DOA":[30,51],"algorithm":[32,65],"effectively":[33],"promotes":[34],"spatial":[35],"distribution":[36],"information":[37],"mining.":[38],"Furthermore,":[39],"it":[40],"conducive":[42],"providing":[44],"stable":[45],"signal":[46],"recovery,":[47],"which":[48,85],"refines":[49],"precision":[53],"with":[54,66],"interpolation":[55],"over":[56],"a":[57],"coarse":[58],"grid.":[59],"We":[60],"then":[61],"combine":[62],"above":[64],"designed":[68],"ETNA":[69,76],"improve":[71],"detection":[73],"performance.":[74],"The":[75],"optimal":[79],"displacement":[80],"existing":[83],"TNA,":[84],"enlarges":[86],"degree":[88],"of":[89],"freedom":[90],"(DOF)":[91],"and":[92,111],"lengthens":[93],"maximum":[95],"contiguous":[96],"segment":[97],"from":[98],"derived":[100],"virtual":[101],"array.":[102],"Simulation":[103],"results":[104],"demonstrate":[105],"its":[106],"superiority":[107],"in":[108],"performance":[110],"DOF.":[112]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
