{"id":"https://openalex.org/W4319303143","doi":"https://doi.org/10.1109/lgrs.2023.3242977","title":"A Novel DOA Estimation for Low-Elevation Target Method Based on Multiscattering Center Equivalent Model","display_name":"A Novel DOA Estimation for Low-Elevation Target Method Based on Multiscattering Center Equivalent Model","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4319303143","doi":"https://doi.org/10.1109/lgrs.2023.3242977"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2023.3242977","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3242977","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing 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/A5026433673","display_name":"Jianjun Ma","orcid":"https://orcid.org/0000-0003-3984-2785"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianjun Ma","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-3984-2785","affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083661553","display_name":"Hui Ma","orcid":"https://orcid.org/0000-0002-2502-3933"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Ma","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-2502-3933","affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100411968","display_name":"Hongwei Liu","orcid":"https://orcid.org/0000-0003-4046-163X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwei Liu","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-4046-163X","affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062908102","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0003-2968-2888"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wei Liu","raw_affiliation_strings":["Key Laboratory of Electro-Optical Countermeasures Test and Evaluation Technology, Luoyang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electro-Optical Countermeasures Test and Evaluation Technology, Luoyang, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039355062","display_name":"Xiangzheng Cheng","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiangzheng Cheng","raw_affiliation_strings":["Key Laboratory of Electro-Optical Countermeasures Test and Evaluation Technology, Luoyang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electro-Optical Countermeasures Test and Evaluation Technology, Luoyang, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9137,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.86293796,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"20","issue":null,"first_page":"1","last_page":"5"},"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":0.9990000128746033,"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/T10534","display_name":"Structural Health Monitoring Techniques","score":0.9983000159263611,"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/multipath-propagation","display_name":"Multipath propagation","score":0.8095629811286926},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7073968052864075},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5786904692649841},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5355662107467651},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.48304373025894165},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4622459411621094},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21347802877426147},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1477736234664917}],"concepts":[{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.8095629811286926},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7073968052864075},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5786904692649841},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5355662107467651},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.48304373025894165},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4622459411621094},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21347802877426147},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1477736234664917},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2023.3242977","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3242977","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8899999856948853}],"awards":[{"id":"https://openalex.org/G1214121328","display_name":null,"funder_award_id":"62192714","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G150325570","display_name":null,"funder_award_id":"61901344","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":24,"referenced_works":["https://openalex.org/W1980382836","https://openalex.org/W1994477821","https://openalex.org/W2018781271","https://openalex.org/W2028823365","https://openalex.org/W2081533638","https://openalex.org/W2088745583","https://openalex.org/W2089716015","https://openalex.org/W2094045714","https://openalex.org/W2100470730","https://openalex.org/W2101658087","https://openalex.org/W2113638573","https://openalex.org/W2116635101","https://openalex.org/W2124197412","https://openalex.org/W2128388908","https://openalex.org/W2146000945","https://openalex.org/W2149685245","https://openalex.org/W2240176253","https://openalex.org/W2342174554","https://openalex.org/W2555969861","https://openalex.org/W2775620157","https://openalex.org/W2861848708","https://openalex.org/W2980730933","https://openalex.org/W3136957033","https://openalex.org/W4287148364"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2376969857","https://openalex.org/W2110252992","https://openalex.org/W614679600","https://openalex.org/W2365309764","https://openalex.org/W2025635845","https://openalex.org/W2544423928","https://openalex.org/W2392393536","https://openalex.org/W1931937217"],"abstract_inverted_index":{"The":[0,76,118,181],"multipath":[1,23,50,104,114],"in":[2,28,40,72,91],"very":[3],"high-frequency":[4],"(VHF)":[5],"radar":[6],"will":[7,66],"reduce":[8],"the":[9,15,20,29,49,61,68,96,100,113,122,139,145,150,157,171,176,186,194],"direction-of-arrival":[10],"(DOA)":[11],"estimation":[12,64,83,124,133,167,196,205],"accuracy":[13],"for":[14],"low-angle":[16],"target":[17,21],"following.":[18],"Since":[19],"and":[22,55,131,162,189,198],"signals":[24],"have":[25],"strong":[26],"coherence":[27],"spatial":[30,116],"domain,":[31],"it":[32],"is":[33,105,153],"challenging":[34],"to":[35,52,94,107,169,202],"distinguish":[36],"them":[37],"accurately.":[38],"Especially":[39],"some":[41],"terrain":[42,93],"complex":[43,92],"regions,":[44],"various":[45],"scattering":[46,88],"media":[47],"cause":[48],"echo":[51],"exhibit":[53],"multichannel":[54],"nonuniform":[56],"energy":[57],"distribution":[58],"features.":[59],"Therefore,":[60],"single-multipath":[62],"DOA":[63,74,82,123,195,204],"methods":[65],"mismatch":[67],"actual":[69],"signal,":[70],"resulting":[71],"inaccurate":[73],"estimation.":[75],"current":[77],"letter":[78],"presents":[79],"a":[80,86,108,127,164],"new":[81],"approach":[84,190],"using":[85,138],"multiple":[87,103],"center":[89],"model":[90,120,188],"solve":[95,170],"mentioned":[97],"issue.":[98],"In":[99],"presented":[101,151,187],"method,":[102,149],"analogous":[106],"single":[109],"one":[110],"based":[111],"on":[112],"signal\u2019s":[115],"coherence.":[117],"equivalent":[119],"represents":[121],"problem":[125,174],"with":[126,144],"parametric":[128],"optimization":[129,141],"problem,":[130],"accurate":[132],"results":[134,183],"can":[135,191],"be":[136],"attained":[137],"Newton":[140],"approach.":[142],"Compared":[143],"conventional":[146,203],"sparse":[147],"reconstruction":[148],"method":[152,168],"not":[154],"restricted":[155,158],"by":[156],"isometry":[159],"property":[160],"(RIP)":[161],"employs":[163],"robust":[165],"parameter":[166],"angle":[172],"super-resolution":[173],"under":[175],"low":[177],"signal-to-noise":[178],"ratio":[179],"(SNR).":[180],"experimental":[182],"reflect":[184],"that":[185],"efficiently":[192],"promote":[193],"precision":[197],"calculational":[199],"performance":[200],"compared":[201],"approaches.":[206]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}