{"id":"https://openalex.org/W2782452773","doi":"https://doi.org/10.1007/s00034-017-0743-y","title":"An Improving EFA for Clutter Suppression by Using the Persymmetric Covariance Matrix Estimation","display_name":"An Improving EFA for Clutter Suppression by Using the Persymmetric Covariance Matrix Estimation","publication_year":2018,"publication_date":"2018-01-03","ids":{"openalex":"https://openalex.org/W2782452773","doi":"https://doi.org/10.1007/s00034-017-0743-y","mag":"2782452773"},"language":"en","primary_location":{"id":"doi:10.1007/s00034-017-0743-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-017-0743-y","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and 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/A5019017581","display_name":"Yan Zhou","orcid":"https://orcid.org/0000-0002-5534-7955"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yan Zhou","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403226","display_name":"Lin Wang","orcid":"https://orcid.org/0000-0003-1026-0060"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Wang","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100628255","display_name":"Xiaoxuan Chen","orcid":"https://orcid.org/0000-0002-2029-2448"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxuan Chen","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060494373","display_name":"Cai Wen","orcid":"https://orcid.org/0000-0003-1159-3801"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cai Wen","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110451765","display_name":"Bo Jiang","orcid":"https://orcid.org/0000-0002-9399-9065"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Jiang","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065103224","display_name":"Dingyi Fang","orcid":"https://orcid.org/0000-0002-5816-6922"},"institutions":[{"id":"https://openalex.org/I37802460","display_name":"Northwest University","ror":"https://ror.org/00z3td547","country_code":"CN","type":"education","lineage":["https://openalex.org/I37802460"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dingyi Fang","raw_affiliation_strings":["School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Northwest University, Xi\u2019an, 710127, China","institution_ids":["https://openalex.org/I37802460"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5019017581"],"corresponding_institution_ids":["https://openalex.org/I37802460"],"apc_list":null,"apc_paid":null,"fwci":10.1044,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.9744423,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"37","issue":"9","first_page":"4136","last_page":"4149"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9998999834060669,"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/T11038","display_name":"Advanced SAR Imaging Techniques","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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","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/clutter","display_name":"Clutter","score":0.7610547542572021},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6957984566688538},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6038969159126282},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5734084844589233},{"id":"https://openalex.org/keywords/weight","display_name":"Weight","score":0.5720479488372803},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5228505730628967},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4231167435646057},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2936752438545227},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.22302454710006714},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06677666306495667}],"concepts":[{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.7610547542572021},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6957984566688538},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6038969159126282},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5734084844589233},{"id":"https://openalex.org/C183877218","wikidata":"https://www.wikidata.org/wiki/Q7979858","display_name":"Weight","level":3,"score":0.5720479488372803},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5228505730628967},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4231167435646057},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2936752438545227},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.22302454710006714},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06677666306495667},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C51568863","wikidata":"https://www.wikidata.org/wiki/Q664495","display_name":"Lie algebra","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00034-017-0743-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-017-0743-y","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.4099999964237213}],"awards":[{"id":"https://openalex.org/G3058662609","display_name":null,"funder_award_id":"61503300","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6115212421","display_name":null,"funder_award_id":"41601353","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":18,"referenced_works":["https://openalex.org/W1510122527","https://openalex.org/W1604194747","https://openalex.org/W1978585106","https://openalex.org/W1986362571","https://openalex.org/W2011862395","https://openalex.org/W2013438974","https://openalex.org/W2034050390","https://openalex.org/W2054877413","https://openalex.org/W2063078409","https://openalex.org/W2104817886","https://openalex.org/W2104820701","https://openalex.org/W2118313329","https://openalex.org/W2136643308","https://openalex.org/W2159359905","https://openalex.org/W2170588123","https://openalex.org/W2309053980","https://openalex.org/W4210417410","https://openalex.org/W4247954665"],"related_works":["https://openalex.org/W2369680611","https://openalex.org/W2045728981","https://openalex.org/W1532932657","https://openalex.org/W3018194276","https://openalex.org/W2359021773","https://openalex.org/W2047066277","https://openalex.org/W1489099099","https://openalex.org/W2886934452","https://openalex.org/W2024369332","https://openalex.org/W1974955043"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
