{"id":"https://openalex.org/W4402772371","doi":"https://doi.org/10.1109/taes.2024.3462372","title":"Explicit Frequency Resolution Limit of Uniform Line Array via Scattering Information","display_name":"Explicit Frequency Resolution Limit of Uniform Line Array via Scattering Information","publication_year":2024,"publication_date":"2024-09-16","ids":{"openalex":"https://openalex.org/W4402772371","doi":"https://doi.org/10.1109/taes.2024.3462372"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2024.3462372","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2024.3462372","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-3","norway-1"],"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 Aerospace and Electronic Systems","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/A5075240130","display_name":"Xiaolong Kong","orcid":null,"observed_orcids":[]},"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":"Xiaolong Kong","raw_affiliation_strings":["Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069470829","display_name":"Daxuan Zhao","orcid":"https://orcid.org/0000-0002-9542-779X","observed_orcids":["https://orcid.org/0000-0002-9542-779X"]},"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":"Daxuan Zhao","raw_affiliation_strings":["Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092204840","display_name":"Nan Wang","orcid":"https://orcid.org/0000-0003-3646-5128","observed_orcids":["https://orcid.org/0000-0003-3646-5128"]},"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":"Nan Wang","raw_affiliation_strings":["Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-3646-5128","affiliations":[{"raw_affiliation_string":"Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101522259","display_name":"Dazhuan Xu","orcid":"https://orcid.org/0000-0003-2748-0182","observed_orcids":["https://orcid.org/0000-0003-2748-0182","https://orcid.org/0009-0002-0770-4396"]},"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":"Dazhuan Xu","raw_affiliation_strings":["Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0002-0770-4396","affiliations":[{"raw_affiliation_string":"Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"electronic and information engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":{"value":2495,"currency":"USD","value_usd":2495},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12433653,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"61","issue":"2","first_page":"2011","last_page":"2022"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9990000128746033,"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":0.9990000128746033,"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/T11946","display_name":"Antenna Design and Optimization","score":9.999999747378752e-05,"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":9.999999747378752e-05,"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/uniform-linear-array","display_name":"uniform linear array","score":0.8949999809265137},{"id":"https://openalex.org/keywords/closely-spaced-frequencies","display_name":"closely spaced frequencies","score":0.8080000281333923},{"id":"https://openalex.org/keywords/information-theory","display_name":"information theory","score":0.6899999976158142},{"id":"https://openalex.org/keywords/cross-correlation-coefficient","display_name":"cross-correlation coefficient","score":0.9380000233650208},{"id":"https://openalex.org/keywords/second-order-taylor-expansion","display_name":"second-order Taylor expansion","score":0.921999990940094}],"concepts":[{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.5866218209266663},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5578429698944092},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.49525585770606995},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.48388800024986267},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.4234985411167145},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3813592791557312},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.33525118231773376},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24389630556106567},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.14950639009475708},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11747521162033081}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2024.3462372","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2024.3462372","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-3","norway-1"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G5107320286","display_name":null,"funder_award_id":"62271254","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":28,"referenced_works":["https://openalex.org/W1975560590","https://openalex.org/W1995875735","https://openalex.org/W2020320434","https://openalex.org/W2066218102","https://openalex.org/W2075618881","https://openalex.org/W2101658087","https://openalex.org/W2107963043","https://openalex.org/W2109042903","https://openalex.org/W2116123718","https://openalex.org/W2116414176","https://openalex.org/W2117222297","https://openalex.org/W2130528638","https://openalex.org/W2138004508","https://openalex.org/W2139748108","https://openalex.org/W2144597985","https://openalex.org/W2493012848","https://openalex.org/W2965766717","https://openalex.org/W3023115543","https://openalex.org/W3026761444","https://openalex.org/W3118560771","https://openalex.org/W3121108086","https://openalex.org/W4312550567","https://openalex.org/W4360770737","https://openalex.org/W4367663100","https://openalex.org/W4379033767","https://openalex.org/W4386320502","https://openalex.org/W4386634179","https://openalex.org/W6687547725"],"related_works":["https://openalex.org/W2353396818","https://openalex.org/W2084997001","https://openalex.org/W2370473919","https://openalex.org/W2094759408","https://openalex.org/W1967204941","https://openalex.org/W2762984199","https://openalex.org/W1517180214","https://openalex.org/W2967276674","https://openalex.org/W2082780921","https://openalex.org/W2059638863"],"abstract_inverted_index":{"Resolution":[0],"limits":[1],"and":[2],"estimation":[3],"performance":[4],"of":[5,14,57,73,82,114],"parameter":[6,59],"are":[7,89],"essential":[8],"tools":[9],"for":[10,22,111],"evaluating":[11],"the":[12,55,66,80,85,102,112],"capabilities":[13],"array":[15,116],"systems.":[16,117],"A":[17],"frequency":[18,29],"resolution":[19,76],"limit":[20],"(FRL)":[21],"two":[23],"signal":[24],"sources":[25],"with":[26,91],"closely":[27],"spaced":[28],"via":[30],"information":[31],"theory":[32],"is":[33,63,69],"proposed.":[34],"We":[35],"derive":[36],"an":[37],"explicit":[38,51],"FRL":[39,68,87,92,104],"by":[40],"performing":[41],"a":[42,47],"second-order":[43],"Taylor":[44],"expansion":[45],"on":[46,60],"cross-correlation":[48],"coefficient.":[49],"The":[50,97],"expression":[52],"clearly":[53],"delineates":[54],"impact":[56],"each":[58],"FRL.":[61],"It":[62],"noted":[64],"that":[65,101],"proposed":[67,86,103],"universally":[70],"applicable,":[71],"independent":[72],"any":[74],"specific":[75],"technique.":[77],"To":[78],"demonstrate":[79,100],"interest":[81],"our":[83],"method,":[84],"results":[88],"compared":[90],"derived":[93],"from":[94],"other":[95],"methods.":[96],"numerical":[98],"simulations":[99],"in":[105],"this":[106],"article":[107],"offers":[108],"valuable":[109],"guidance":[110],"design":[113],"practical":[115]},"counts_by_year":[],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2025-10-10T00:00:00"}