{"id":"https://openalex.org/W3200456871","doi":"https://doi.org/10.1007/s00034-021-01846-y","title":"DOA Estimation Using Sparse Representation of Beamspace and Element-Space Covariance Differencing","display_name":"DOA Estimation Using Sparse Representation of Beamspace and Element-Space Covariance Differencing","publication_year":2021,"publication_date":"2021-09-18","ids":{"openalex":"https://openalex.org/W3200456871","doi":"https://doi.org/10.1007/s00034-021-01846-y","mag":"3200456871"},"language":"en","primary_location":{"id":"doi:10.1007/s00034-021-01846-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-021-01846-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/A5070254109","display_name":"Fujia Xu","orcid":"https://orcid.org/0009-0003-3167-9810"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fujia Xu","raw_affiliation_strings":["College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022593281","display_name":"Aifei Liu","orcid":"https://orcid.org/0000-0002-9317-8013"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Aifei Liu","raw_affiliation_strings":["Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China"],"raw_orcid":"https://orcid.org/0000-0002-9317-8013","affiliations":[{"raw_affiliation_string":"Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008743554","display_name":"Shengguo Shi","orcid":"https://orcid.org/0000-0002-7147-3783"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengguo Shi","raw_affiliation_strings":["Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100448212","display_name":"Song Li","orcid":"https://orcid.org/0000-0002-9013-1295"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Song Li","raw_affiliation_strings":["Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100414502","display_name":"Ying Li","orcid":"https://orcid.org/0009-0007-8100-6568"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Li","raw_affiliation_strings":["College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin, 150001, China","institution_ids":["https://openalex.org/I151727225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5022593281"],"corresponding_institution_ids":["https://openalex.org/I151727225","https://openalex.org/I890469752"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":null,"fwci":0.8379,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.72278728,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"41","issue":"3","first_page":"1596","last_page":"1608"},"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":0.9983999729156494,"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":0.9945999979972839,"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/algorithm","display_name":"Algorithm","score":0.6621289849281311},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6316695213317871},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6151890158653259},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6108960509300232},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5737625956535339},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5657913088798523},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5558938980102539},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.4738619327545166},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.44462013244628906},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.4413997530937195},{"id":"https://openalex.org/keywords/covariance-function","display_name":"Covariance function","score":0.41694363951683044},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3407638669013977},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1496247947216034},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12169584631919861},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08715415000915527}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6621289849281311},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6316695213317871},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6151890158653259},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6108960509300232},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5737625956535339},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5657913088798523},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5558938980102539},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.4738619327545166},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.44462013244628906},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.4413997530937195},{"id":"https://openalex.org/C137250428","wikidata":"https://www.wikidata.org/wiki/Q5178897","display_name":"Covariance function","level":3,"score":0.41694363951683044},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3407638669013977},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1496247947216034},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12169584631919861},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08715415000915527},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"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/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00034-021-01846-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-021-01846-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":[],"awards":[{"id":"https://openalex.org/G3008431639","display_name":null,"funder_award_id":"61701133","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":21,"referenced_works":["https://openalex.org/W1568307856","https://openalex.org/W1632601927","https://openalex.org/W1666252723","https://openalex.org/W1974718273","https://openalex.org/W2016053076","https://openalex.org/W2028599779","https://openalex.org/W2036888338","https://openalex.org/W2103519107","https://openalex.org/W2111293123","https://openalex.org/W2113638573","https://openalex.org/W2114640742","https://openalex.org/W2115141757","https://openalex.org/W2125187748","https://openalex.org/W2128131274","https://openalex.org/W2130342534","https://openalex.org/W2406790224","https://openalex.org/W2915089102","https://openalex.org/W2939424005","https://openalex.org/W2998529470","https://openalex.org/W3148110931","https://openalex.org/W4231365951"],"related_works":["https://openalex.org/W2887132723","https://openalex.org/W2921280830","https://openalex.org/W2756533552","https://openalex.org/W1987404909","https://openalex.org/W1561790410","https://openalex.org/W4309794518","https://openalex.org/W2018001152","https://openalex.org/W2258123186","https://openalex.org/W4311761947","https://openalex.org/W2109377650"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}