{"id":"https://openalex.org/W2768062450","doi":"https://doi.org/10.1109/tsp.2018.2811746","title":"Space Time MUSIC: Consistent Signal Subspace Estimation for Wideband Sensor Arrays","display_name":"Space Time MUSIC: Consistent Signal Subspace Estimation for Wideband Sensor Arrays","publication_year":2018,"publication_date":"2018-03-08","ids":{"openalex":"https://openalex.org/W2768062450","doi":"https://doi.org/10.1109/tsp.2018.2811746","mag":"2768062450"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2018.2811746","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2811746","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1711.01631","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065269108","display_name":"Elio D. Di Claudio","orcid":"https://orcid.org/0000-0002-6955-500X"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Elio D. Di Claudio","raw_affiliation_strings":["Department of Information Engineering, Electronics and Telecommunications, University of Rome \u201cLa Sapienza,\u201d, Rome, Italy","Department of Information Engineering, Electronics, and Telecommunications, University of Rome \u201cLa Sapienza,\u201d , Rome, Italy"],"raw_orcid":"https://orcid.org/0000-0002-6955-500X","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Electronics and Telecommunications, University of Rome \u201cLa Sapienza,\u201d, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Department of Information Engineering, Electronics, and Telecommunications, University of Rome \u201cLa Sapienza,\u201d , Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090987990","display_name":"Raffaele Parisi","orcid":"https://orcid.org/0000-0002-6062-0274"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Raffaele Parisi","raw_affiliation_strings":["Department of Information Engineering, Electronics and Telecommunications, University of Rome \u201cLa Sapienza,\u201d, Rome, Italy","Department of Information Engineering, Electronics, and Telecommunications, University of Rome \u201cLa Sapienza,\u201d , Rome, Italy"],"raw_orcid":"https://orcid.org/0000-0002-6062-0274","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Electronics and Telecommunications, University of Rome \u201cLa Sapienza,\u201d, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Department of Information Engineering, Electronics, and Telecommunications, University of Rome \u201cLa Sapienza,\u201d , Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109262860","display_name":"Giovanni Jacovitti","orcid":null},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giovanni Jacovitti","raw_affiliation_strings":["Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","[Dept. of Information Engineering, Electronics and Telecommunications Sapienza University of Rome, Rome, Italy]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"[Dept. of Information Engineering, Electronics and Telecommunications Sapienza University of Rome, Rome, Italy]","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.9858,"has_fulltext":true,"cited_by_count":64,"citation_normalized_percentile":{"value":0.96969302,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"66","issue":"10","first_page":"2685","last_page":"2699"},"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":0.9995999932289124,"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":0.9976000189781189,"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/estimator","display_name":"Estimator","score":0.6828150153160095},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5746840238571167},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.5415573120117188},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.5347071886062622},{"id":"https://openalex.org/keywords/sonar","display_name":"Sonar","score":0.5100029706954956},{"id":"https://openalex.org/keywords/array-processing","display_name":"Array processing","score":0.5048049688339233},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.5026731491088867},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.4941447079181671},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.47864043712615967},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4577646553516388},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.4449908137321472},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.43521809577941895},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40825557708740234},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.3726351857185364},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.3637958765029907},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.35459086298942566},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.33435678482055664},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2029794156551361},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.18516331911087036},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1628415584564209},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16249963641166687},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11173063516616821}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6828150153160095},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5746840238571167},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.5415573120117188},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.5347071886062622},{"id":"https://openalex.org/C555745239","wikidata":"https://www.wikidata.org/wiki/Q133220","display_name":"Sonar","level":2,"score":0.5100029706954956},{"id":"https://openalex.org/C2778545087","wikidata":"https://www.wikidata.org/wiki/Q4795883","display_name":"Array processing","level":4,"score":0.5048049688339233},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.5026731491088867},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.4941447079181671},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.47864043712615967},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4577646553516388},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4449908137321472},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.43521809577941895},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40825557708740234},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3726351857185364},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3637958765029907},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.35459086298942566},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.33435678482055664},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2029794156551361},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18516331911087036},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1628415584564209},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16249963641166687},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11173063516616821},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tsp.2018.2811746","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.2811746","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1711.01631","is_oa":true,"landing_page_url":"https://arxiv.org/abs/1711.01631","pdf_url":"https://arxiv.org/pdf/1711.01631","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"},{"id":"pmh:oai:iris.uniroma1.it:11573/1092785","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/1092785","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","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":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1711.01631","is_oa":true,"landing_page_url":"https://arxiv.org/abs/1711.01631","pdf_url":"https://arxiv.org/pdf/1711.01631","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2768062450.pdf","grobid_xml":"https://content.openalex.org/works/W2768062450.grobid-xml"},"referenced_works_count":64,"referenced_works":["https://openalex.org/W1651870529","https://openalex.org/W1964998538","https://openalex.org/W1968756604","https://openalex.org/W1978514441","https://openalex.org/W2002719544","https://openalex.org/W2006366850","https://openalex.org/W2015227997","https://openalex.org/W2021799791","https://openalex.org/W2024083363","https://openalex.org/W2024772675","https://openalex.org/W2025601829","https://openalex.org/W2034449578","https://openalex.org/W2039669923","https://openalex.org/W2041050174","https://openalex.org/W2062125287","https://openalex.org/W2066218102","https://openalex.org/W2093225945","https://openalex.org/W2096329835","https://openalex.org/W2096710051","https://openalex.org/W2096803718","https://openalex.org/W2097670707","https://openalex.org/W2097916562","https://openalex.org/W2099244815","https://openalex.org/W2099789643","https://openalex.org/W2100039303","https://openalex.org/W2101658087","https://openalex.org/W2103665886","https://openalex.org/W2111206746","https://openalex.org/W2111460811","https://openalex.org/W2113638573","https://openalex.org/W2116365951","https://openalex.org/W2118574626","https://openalex.org/W2124723803","https://openalex.org/W2128261630","https://openalex.org/W2129945011","https://openalex.org/W2130693290","https://openalex.org/W2131090450","https://openalex.org/W2133503769","https://openalex.org/W2134300251","https://openalex.org/W2136274821","https://openalex.org/W2136763544","https://openalex.org/W2142472235","https://openalex.org/W2142635246","https://openalex.org/W2146172302","https://openalex.org/W2152279006","https://openalex.org/W2154403271","https://openalex.org/W2155167894","https://openalex.org/W2155421090","https://openalex.org/W2156529323","https://openalex.org/W2158196600","https://openalex.org/W2160783189","https://openalex.org/W2162443378","https://openalex.org/W2163730436","https://openalex.org/W2163994287","https://openalex.org/W2167773605","https://openalex.org/W2171908478","https://openalex.org/W2344572624","https://openalex.org/W2396262512","https://openalex.org/W2475682732","https://openalex.org/W3147528989","https://openalex.org/W4213083691","https://openalex.org/W4249251823","https://openalex.org/W4376999356","https://openalex.org/W4379510236"],"related_works":["https://openalex.org/W2355891660","https://openalex.org/W2164635412","https://openalex.org/W4379654103","https://openalex.org/W2884297244","https://openalex.org/W2462138637","https://openalex.org/W2360754927","https://openalex.org/W2170989987","https://openalex.org/W334600925","https://openalex.org/W200518853","https://openalex.org/W2786427275"],"abstract_inverted_index":{"Wideband":[0],"direction":[1],"of":[2,67,84,147,167],"arrival":[3],"(DOA)":[4],"estimation":[5],"with":[6,71],"sensor":[7,151],"arrays":[8],"is":[9,103,161],"an":[10],"essential":[11],"task":[12],"in":[13],"sonar,":[14],"radar,":[15],"acoustics,":[16],"biomedical,":[17],"and":[18,65],"multimedia":[19],"applications.":[20],"Many":[21],"state-of-the-art":[22],"wideband":[23],"DOA":[24,90,186],"estimators":[25,91,142],"coherently":[26],"process":[27],"frequency":[28,72,172],"binned":[29],"array":[30,60,69,101,113],"outputs":[31],"by":[32,50,136,173],"approximate":[33],"maximum":[34],"likelihood":[35],"(ML),":[36],"weighted":[37],"subspace":[38,159,184],"fitting,":[39],"or":[40,190],"focusing":[41],"techniques.":[42],"This":[43],"paper":[44],"shows":[45],"that":[46,195],"bin":[47,75],"signals":[48],"obtained":[49],"filter-bank":[51],"approaches":[52,203],"do":[53],"not":[54,96],"obey":[55],"the":[56,68,74,81,85,100,144,148,165,215],"finite":[57,118],"rank":[58,119],"narrow-band":[59],"model,":[61,114],"because":[62],"spectral":[63],"leakage":[64],"changes":[66],"response":[70,102],"within":[73],"create":[76],"ghost":[77],"sources":[78,168],"dependent":[79],"on":[80,93],"particular":[82],"realization":[83],"source":[86],"process.":[87],"Therefore,":[88],"existing":[89],"based":[92],"binning":[94,202],"are":[95,180],"consistent":[97,156],"even":[98],"when":[99,211],"perfectly":[104],"known.":[105],"In":[106],"this":[107,196],"paper,":[108],"under":[109,120,133],"a":[110,121],"more":[111],"realistic":[112],"which":[115],"still":[116],"has":[117],"space-time":[122,150],"formulation,":[123],"signal":[124,207],"subspaces":[125,179],"at":[126,170,188,204],"arbitrary":[127],"frequencies":[128],"can":[129],"be":[130],"consistently":[131],"recovered":[132],"mild":[134],"conditions":[135],"applying":[137],"space":[138],"time,":[139],"MUSIC-type":[140],"(ST-MUSIC)":[141],"to":[143,163,182,208],"dominant":[145],"eigenvectors":[146],"wideband,":[149],"cross-correlation":[152],"matrix.":[153],"A":[154],"novel,":[155],"ML-based":[157],"ST-MUSIC":[158,178],"estimate":[160,164],"developed":[162],"number":[166],"active":[169],"each":[171],"information":[174],"theoretic":[175],"criteria.":[176],"Empirical":[177],"fed":[181],"any":[183],"fitting":[185],"estimator":[187],"single":[189],"multiple":[191],"frequencies.":[192],"Simulations":[193],"confirm":[194],"approach":[197],"allows":[198],"better":[199],"performance":[200],"over":[201],"sufficiently":[205],"high":[206],"noise":[209,216],"ratio,":[210],"model":[212],"mismatches":[213],"exceed":[214],"floor.":[217]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
