{"id":"https://openalex.org/W1485733289","doi":"https://doi.org/10.1109/icassp.2015.7178418","title":"Unit circle MVDR beamformer","display_name":"Unit circle MVDR beamformer","publication_year":2015,"publication_date":"2015-04-01","ids":{"openalex":"https://openalex.org/W1485733289","doi":"https://doi.org/10.1109/icassp.2015.7178418","mag":"1485733289"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2015.7178418","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2015.7178418","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1611.02721","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034855430","display_name":"Saurav R. Tuladhar","orcid":"https://orcid.org/0000-0003-0964-5609"},"institutions":[{"id":"https://openalex.org/I100633361","display_name":"University of Massachusetts Dartmouth","ror":"https://ror.org/00fzmm222","country_code":"US","type":"education","lineage":["https://openalex.org/I100633361"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Saurav R. Tuladhar","raw_affiliation_strings":["Dartmouth Electrical and Computer Engineering Department North Dartmouth, University of Massachusetts, Massachusetts, USA","University of Massachusetts Dartmouth, Electrical and Computer Engineering Department, North Dartmouth, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dartmouth Electrical and Computer Engineering Department North Dartmouth, University of Massachusetts, Massachusetts, USA","institution_ids":["https://openalex.org/I100633361"]},{"raw_affiliation_string":"University of Massachusetts Dartmouth, Electrical and Computer Engineering Department, North Dartmouth, USA","institution_ids":["https://openalex.org/I100633361"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013892052","display_name":"John R. Buck","orcid":"https://orcid.org/0000-0002-2809-8164"},"institutions":[{"id":"https://openalex.org/I100633361","display_name":"University of Massachusetts Dartmouth","ror":"https://ror.org/00fzmm222","country_code":"US","type":"education","lineage":["https://openalex.org/I100633361"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John R. Buck","raw_affiliation_strings":["Dartmouth Electrical and Computer Engineering Department North Dartmouth, University of Massachusetts, Massachusetts, USA","University of Massachusetts Dartmouth, Electrical and Computer Engineering Department, North Dartmouth, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dartmouth Electrical and Computer Engineering Department North Dartmouth, University of Massachusetts, Massachusetts, USA","institution_ids":["https://openalex.org/I100633361"]},{"raw_affiliation_string":"University of Massachusetts Dartmouth, Electrical and Computer Engineering Department, North Dartmouth, USA","institution_ids":["https://openalex.org/I100633361"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I100633361"],"apc_list":null,"apc_paid":null,"fwci":0.8528,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.72039474,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"2484","last_page":"2488"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9997000098228455,"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":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/unit-circle","display_name":"Unit circle","score":0.8545211553573608},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.5728233456611633},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5468887090682983},{"id":"https://openalex.org/keywords/sample-matrix-inversion","display_name":"Sample matrix inversion","score":0.44679996371269226},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.4307311773300171},{"id":"https://openalex.org/keywords/array-gain","display_name":"Array gain","score":0.4202554523944855},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3726447820663452},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.3333870768547058},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.28119295835494995},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.26500654220581055},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.23579749464988708},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21657231450080872},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.12910893559455872},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11222034692764282},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.07713919878005981}],"concepts":[{"id":"https://openalex.org/C126875415","wikidata":"https://www.wikidata.org/wiki/Q203425","display_name":"Unit circle","level":2,"score":0.8545211553573608},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.5728233456611633},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5468887090682983},{"id":"https://openalex.org/C62403268","wikidata":"https://www.wikidata.org/wiki/Q7410141","display_name":"Sample matrix inversion","level":3,"score":0.44679996371269226},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.4307311773300171},{"id":"https://openalex.org/C136664719","wikidata":"https://www.wikidata.org/wiki/Q4795880","display_name":"Array gain","level":4,"score":0.4202554523944855},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3726447820663452},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.3333870768547058},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28119295835494995},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.26500654220581055},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.23579749464988708},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21657231450080872},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.12910893559455872},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11222034692764282},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.07713919878005981}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2015.7178418","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2015.7178418","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:1611.02721","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1611.02721","pdf_url":"https://arxiv.org/pdf/1611.02721","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1611.02721","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1611.02721","pdf_url":"https://arxiv.org/pdf/1611.02721","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W322920824","https://openalex.org/W653761051","https://openalex.org/W1499509602","https://openalex.org/W1506719158","https://openalex.org/W1567900899","https://openalex.org/W1573524085","https://openalex.org/W1609026081","https://openalex.org/W2003245127","https://openalex.org/W2004406124","https://openalex.org/W2013438974","https://openalex.org/W2044452701","https://openalex.org/W2057077708","https://openalex.org/W2066218102","https://openalex.org/W2093225945","https://openalex.org/W2118119802","https://openalex.org/W2148327864","https://openalex.org/W2167777948","https://openalex.org/W2478884216","https://openalex.org/W2585603439"],"related_works":["https://openalex.org/W818226659","https://openalex.org/W2009075871","https://openalex.org/W2105408150","https://openalex.org/W1976800395","https://openalex.org/W2606661315","https://openalex.org/W2966871810","https://openalex.org/W2548445082","https://openalex.org/W636053046","https://openalex.org/W2132841313","https://openalex.org/W2095610598"],"abstract_inverted_index":{"The":[0,36,89],"array":[1,8,19,23],"polynomial":[2,24,40,65,79,103],"is":[3],"the":[4,7,22,26,30,34,39,43,47,50,59,62,70,86,97,100,106,111,114,124,132,136,144],"z-transform":[5],"of":[6,38,49,61,99,116],"weights":[9],"for":[10],"a":[11,16,57],"narrowband":[12],"planewave":[13,53],"beamformer":[14,127,140],"using":[15],"uniform":[17],"linear":[18],"(ULA).":[20],"Evaluating":[21],"on":[25,42,69,85,105,113],"unit":[27,44,71,87,91,107],"circle":[28,45,92],"in":[29],"complex":[31],"plane":[32],"yields":[33],"beampattern.":[35,51],"locations":[37,60],"zeros":[41,66,80,98,115],"indicate":[46],"nulls":[48],"For":[52],"signals":[54],"measured":[55],"with":[56],"ULA,":[58],"ensemble":[63,117],"MVDR":[64,78,93,102,118,126,134,139],"are":[67],"constrained":[68],"circle.":[72,88,108],"However,":[73],"sample":[74],"matrix":[75],"inversion":[76],"(SMI)":[77],"generally":[81],"do":[82],"not":[83],"fall":[84],"proposed":[90],"(UC":[94],"MVDR)":[95],"projects":[96],"SMI":[101,133],"radially":[104],"This":[109],"satisfies":[110],"constraint":[112],"polynomial.":[119],"Numerical":[120],"simulations":[121],"show":[122],"that":[123],"UC":[125],"suppresses":[128],"interferers":[129],"better":[130],"than":[131],"and":[135,141],"diagonal":[137],"loaded":[138],"also":[142],"improves":[143],"white":[145],"noise":[146],"gain":[147],"(WNG).":[148]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-03T08:13:44.112507","created_date":"2025-10-10T00:00:00"}