{"id":"https://openalex.org/W2559859244","doi":"https://doi.org/10.1186/s13634-016-0426-z","title":"Fractional difference co-array perspective for wideband signal DOA estimation","display_name":"Fractional difference co-array perspective for wideband signal DOA estimation","publication_year":2016,"publication_date":"2016-12-01","ids":{"openalex":"https://openalex.org/W2559859244","doi":"https://doi.org/10.1186/s13634-016-0426-z","mag":"2559859244"},"language":"en","primary_location":{"id":"doi:10.1186/s13634-016-0426-z","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13634-016-0426-z","pdf_url":"https://link.springer.com/content/pdf/10.1186/s13634-016-0426-z.pdf","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://link.springer.com/content/pdf/10.1186/s13634-016-0426-z.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5043720493","display_name":"Jian-Yan Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["CN","SG"],"is_corresponding":false,"raw_author_name":"Jian-Yan Liu","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100742149","display_name":"Yilong Lu","orcid":"https://orcid.org/0000-0002-3151-6259"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yi-Long Lu","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100635693","display_name":"Yanmei Zhang","orcid":"https://orcid.org/0000-0002-6652-2077"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan-Mei Zhang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101963975","display_name":"Weijiang Wang","orcid":"https://orcid.org/0000-0003-4301-1888"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei-Jiang Wang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People\u2019s Republic of China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, 100081, People's Republic of China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101963975"],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.5105,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.66578716,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"2016","issue":"1","first_page":null,"last_page":null},"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":0.9994999766349792,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.8047398328781128},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.7320078015327454},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6671508550643921},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5688487887382507},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.5489394068717957},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5353983044624329},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.51263827085495},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.5105941891670227},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4300524592399597},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30436426401138306},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.21948108077049255},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19160372018814087},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1116361916065216},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07363337278366089}],"concepts":[{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.8047398328781128},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.7320078015327454},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6671508550643921},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5688487887382507},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.5489394068717957},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5353983044624329},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.51263827085495},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.5105941891670227},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4300524592399597},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30436426401138306},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.21948108077049255},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19160372018814087},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1116361916065216},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07363337278366089},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1186/s13634-016-0426-z","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13634-016-0426-z","pdf_url":"https://link.springer.com/content/pdf/10.1186/s13634-016-0426-z.pdf","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/88040","is_oa":true,"landing_page_url":"http://hdl.handle.net/10220/46892","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1186/s13634-016-0426-z","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13634-016-0426-z","pdf_url":"https://link.springer.com/content/pdf/10.1186/s13634-016-0426-z.pdf","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G1203689072","display_name":null,"funder_award_id":"201506030035","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"}],"funders":[{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2559859244.pdf","grobid_xml":"https://content.openalex.org/works/W2559859244.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W65255600","https://openalex.org/W1515407204","https://openalex.org/W1964521756","https://openalex.org/W1969977532","https://openalex.org/W1978318660","https://openalex.org/W1985041550","https://openalex.org/W2003157621","https://openalex.org/W2046039020","https://openalex.org/W2079302539","https://openalex.org/W2098174516","https://openalex.org/W2101865670","https://openalex.org/W2106335966","https://openalex.org/W2113638573","https://openalex.org/W2113642685","https://openalex.org/W2128131274","https://openalex.org/W2135046866","https://openalex.org/W2136274821","https://openalex.org/W2140439639","https://openalex.org/W2150126176","https://openalex.org/W2161666352","https://openalex.org/W2164390589","https://openalex.org/W2166737934","https://openalex.org/W2211589247","https://openalex.org/W2278587467","https://openalex.org/W2293000848","https://openalex.org/W2342925881","https://openalex.org/W2343667351","https://openalex.org/W2797638056","https://openalex.org/W4251617456","https://openalex.org/W4302078450"],"related_works":["https://openalex.org/W3112081258","https://openalex.org/W1480343695","https://openalex.org/W2315892906","https://openalex.org/W4384026382","https://openalex.org/W2349737036","https://openalex.org/W2043333398","https://openalex.org/W2886934452","https://openalex.org/W1489099099","https://openalex.org/W2024369332","https://openalex.org/W2242301815"],"abstract_inverted_index":{"In":[0,33,79],"recent":[1],"years,":[2],"much":[3],"attention":[4],"has":[5],"been":[6],"focused":[7],"on":[8,110],"difference":[9,38],"co-array":[10,39],"perspective":[11,40,84,113],"in":[12],"DOA":[13,103],"estimation":[14,104],"field":[15],"due":[16],"to":[17,20,27,72,93],"its":[18],"ability":[19],"increase":[21,74],"the":[22,66,75,82,111,126,134,139,153,156,159],"degrees":[23,76],"of":[24,51,77,136,142,158],"freedom":[25,137],"and":[26,138,155],"detect":[28],"more":[29],"sources":[30,144],"than":[31],"sensors.":[32,96],"this":[34],"article,":[35],"a":[36,57,80,99],"fractional":[37,67,118],"(FrDCA)":[41],"is":[42],"proposed":[43,83,160],"by":[44,124],"vectorizing":[45],"structured":[46,91],"second-order":[47],"statistics":[48],"matrices":[49],"instead":[50],"conventional":[52,61],"zero-lag":[53],"covariance":[54],"matrix.":[55],"As":[56],"result,":[58],"not":[59],"only":[60],"virtual":[62,95,119],"sensors":[63,120],"but":[64],"also":[65],"ones":[68],"can":[69,85,121],"be":[70,86,122],"utilized":[71],"further":[73],"freedom.":[78],"sense,":[81],"viewed":[87],"as":[88,98],"an":[89],"extended":[90],"model":[92],"generate":[94],"Then,":[97],"case":[100],"study,":[101],"four":[102],"algorithms":[105],"for":[106],"wideband":[107,127],"signal":[108,128],"based":[109],"FrDCA":[112],"are":[114,145],"specifically":[115],"presented.":[116],"The":[117,147],"generated":[123],"dividing":[125],"into":[129],"many":[130],"sub-band":[131],"signals.":[132],"Accordingly,":[133],"degree":[135],"maximum":[140],"number":[141],"resolvable":[143],"increased.":[146],"corresponding":[148],"numerical":[149],"simulation":[150],"results":[151],"validate":[152],"advantages":[154],"effectiveness":[157],"perspective.":[161]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2017,"cited_by_count":2}],"updated_date":"2026-06-16T07:32:37.131356","created_date":"2025-10-10T00:00:00"}
