{"id":"https://openalex.org/W2007581951","doi":"https://doi.org/10.1155/2010/678306","title":"Selective Frequency Invariant Uniform Circular Broadband Beamformer","display_name":"Selective Frequency Invariant Uniform Circular Broadband Beamformer","publication_year":2010,"publication_date":"2010-01-19","ids":{"openalex":"https://openalex.org/W2007581951","doi":"https://doi.org/10.1155/2010/678306","mag":"2007581951"},"language":"en","primary_location":{"id":"doi:10.1155/2010/678306","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2010/678306","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2010/678306","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://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2010/678306","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100327327","display_name":"Xin Zhang","orcid":"https://orcid.org/0000-0001-5647-2777"},"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":true,"raw_author_name":"Xin Zhang","raw_affiliation_strings":["Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","Center for Signal Processing, Nanyang Technological University, Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, Singapore#TAB#","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113686034","display_name":"Wee Ser","orcid":null},"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":"Wee Ser","raw_affiliation_strings":["Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","Center for Signal Processing, Nanyang Technological University, Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, Singapore#TAB#","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100599306","display_name":"Zhang Zhang","orcid":"https://orcid.org/0000-0001-6603-5060"},"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":"Zhang Zhang","raw_affiliation_strings":["Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","Center for Signal Processing, Nanyang Technological University, Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, Singapore#TAB#","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102096336","display_name":"AnoopKumar Krishna","orcid":null},"institutions":[{"id":"https://openalex.org/I4210100812","display_name":"Excelitas Technologies (Singapore)","ror":"https://ror.org/0150aaa23","country_code":"SG","type":"company","lineage":["https://openalex.org/I4210100812","https://openalex.org/I4210116532"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"AnoopKumar Krishna","raw_affiliation_strings":["EADS Innovation Works, EADS Singapore Pte Ltd., No. 41, Science Park Road, 01-30, Singapore, 117610, Singapore","EADS Singapore Pte Ltd., Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EADS Innovation Works, EADS Singapore Pte Ltd., No. 41, Science Park Road, 01-30, Singapore, 117610, Singapore","institution_ids":["https://openalex.org/I4210100812"]},{"raw_affiliation_string":"EADS Singapore Pte Ltd., Singapore#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100327327"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":{"value":1665,"currency":"USD","value_usd":1665},"apc_paid":{"value":1665,"currency":"USD","value_usd":1665},"fwci":2.7796,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.8972634,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2010","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":0.9994999766349792,"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":0.9994999766349792,"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":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/T10860","display_name":"Speech and Audio Processing","score":0.9987000226974487,"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/beamforming","display_name":"Beamforming","score":0.6575204133987427},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6181733012199402},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6160979866981506},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.5715781450271606},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.5210444331169128},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5003893375396729},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.4533095955848694},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4298226833343506},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.364425390958786},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.3556380867958069},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3005948066711426},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1493510901927948}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6575204133987427},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6181733012199402},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6160979866981506},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.5715781450271606},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.5210444331169128},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5003893375396729},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.4533095955848694},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4298226833343506},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.364425390958786},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.3556380867958069},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3005948066711426},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1493510901927948},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2010/678306","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2010/678306","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2010/678306","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:doaj.org/article:65777268ba5c478c87961302cb46925b","is_oa":false,"landing_page_url":"https://doaj.org/article/65777268ba5c478c87961302cb46925b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Advances in Signal Processing, Vol 2010 (2010)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2010/678306","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2010/678306","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2010/678306","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":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322170","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2007581951.pdf","grobid_xml":"https://content.openalex.org/works/W2007581951.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W1506558619","https://openalex.org/W1559749676","https://openalex.org/W1966860006","https://openalex.org/W1967073510","https://openalex.org/W2011820673","https://openalex.org/W2012721840","https://openalex.org/W2060108923","https://openalex.org/W2066218102","https://openalex.org/W2078412653","https://openalex.org/W2103170356","https://openalex.org/W2105235982","https://openalex.org/W2114484792","https://openalex.org/W2117204799","https://openalex.org/W2120062331","https://openalex.org/W2139442971","https://openalex.org/W2144244295","https://openalex.org/W2145219634","https://openalex.org/W2151808198","https://openalex.org/W2152527522","https://openalex.org/W2159693415","https://openalex.org/W2161388130","https://openalex.org/W2162654459","https://openalex.org/W2548328937"],"related_works":["https://openalex.org/W2067196003","https://openalex.org/W818226659","https://openalex.org/W2009075871","https://openalex.org/W2132841313","https://openalex.org/W2105408150","https://openalex.org/W1976800395","https://openalex.org/W2606661315","https://openalex.org/W2548445082","https://openalex.org/W636053046","https://openalex.org/W4200589288"],"abstract_inverted_index":{"Frequency-Invariant":[0],"(FI)":[1],"beamforming":[2],"is":[3,40,50,71,107,117,138,147,168],"a":[4,83,91,96,102,110,172],"well":[5,61,141],"known":[6],"array":[7],"signal":[8],"processing":[9],"technique":[10],"used":[11],"in":[12,46,56],"many":[13],"applications.":[14],"In":[15],"this":[16],"paper,":[17],"an":[18],"algorithm":[19,137,167],"that":[20],"attempts":[21],"to":[22,73,170,188],"optimize":[23],"the":[24,30,34,38,47,57,75,80,86,115,121,131,135,165,178,183],"frequency":[25,98],"invariant":[26],"beampattern":[27],"solely":[28],"for":[29,53,152,182],"mainlobe,":[31],"and":[32,100,114,157],"relax":[33],"FI":[35,185],"requirement":[36],"on":[37,44,85],"sidelobe":[39],"proposed.":[41],"This":[42,105],"sacrifice":[43],"performance":[45,55,146],"undesired":[48],"region":[49,59,186],"traded":[51],"off":[52],"better":[54],"desired":[58],"as":[60,62,109,140,142],"reduced":[63],"number":[64,154],"of":[65,79,130,134,155,177],"microphones":[66],"employed.":[67],"The":[68,145],"objective":[69],"function":[70],"designed":[72],"minimize":[74],"overall":[76],"spatial":[77,179],"response":[78,180],"beamformer":[81],"with":[82],"constraint":[84],"gain":[87,181],"being":[88],"smaller":[89,173],"than":[90],"pre-defined":[92],"threshold":[93,159],"value":[94],"across":[95],"specific":[97,103,184],"range":[99],"at":[101],"angle.":[104],"problem":[106,113],"formulated":[108],"convex":[111],"optimization":[112],"solution":[116],"obtained":[118],"by":[119],"using":[120],"Second":[122],"Order":[123],"Cone":[124],"Programming":[125],"(SOCP)":[126],"technique.":[127],"An":[128],"analysis":[129],"computational":[132],"complexity":[133],"proposed":[136,166],"presented":[139],"its":[143],"performance.":[144],"evaluated":[148],"via":[149],"computer":[150],"simulation":[151],"different":[153,158],"sensors":[156],"values.":[160],"Simulation":[161],"results":[162],"show":[163],"that,":[164],"able":[169],"achieve":[171],"mean":[174],"square":[175],"error":[176],"compared":[187],"existing":[189],"algorithms.":[190]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2016-06-24T00:00:00"}
