{"id":"https://openalex.org/W4393372955","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10477080","title":"Multi-Signal Ambiguity in Direction-of-Arrival Estimation","display_name":"Multi-Signal Ambiguity in Direction-of-Arrival Estimation","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4393372955","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10477080"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf59524.2023.10477080","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf59524.2023.10477080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-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/A5006597702","display_name":"B. Friedlander","orcid":"https://orcid.org/0000-0001-5133-2433"},"institutions":[{"id":"https://openalex.org/I185103710","display_name":"University of California, Santa Cruz","ror":"https://ror.org/03s65by71","country_code":"US","type":"education","lineage":["https://openalex.org/I185103710"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"B. Friedlander","raw_affiliation_strings":["University of California,Department of Electrical Engineering,Santa Cruz,CA,95064"],"affiliations":[{"raw_affiliation_string":"University of California,Department of Electrical Engineering,Santa Cruz,CA,95064","institution_ids":["https://openalex.org/I185103710"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5006597702"],"corresponding_institution_ids":["https://openalex.org/I185103710"],"apc_list":null,"apc_paid":null,"fwci":0.2033,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.51154785,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1259","last_page":"1263"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9977999925613403,"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":0.9977999925613403,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9919999837875366,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/ambiguity","display_name":"Ambiguity","score":0.6924494504928589},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6053489446640015},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.6008166074752808},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5778857469558716},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5483461618423462},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2848753333091736},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12212851643562317}],"concepts":[{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.6924494504928589},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6053489446640015},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.6008166074752808},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5778857469558716},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5483461618423462},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2848753333091736},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12212851643562317},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf59524.2023.10477080","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf59524.2023.10477080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1559871851","https://openalex.org/W1657821752","https://openalex.org/W1911857725","https://openalex.org/W1987415890","https://openalex.org/W2007675899","https://openalex.org/W2013263625","https://openalex.org/W2019079737","https://openalex.org/W2053232949","https://openalex.org/W2103712210","https://openalex.org/W2104877551","https://openalex.org/W2119360526","https://openalex.org/W2143330906","https://openalex.org/W2143989619","https://openalex.org/W2154332973","https://openalex.org/W2161147105","https://openalex.org/W2162654459","https://openalex.org/W2163916252","https://openalex.org/W2169405676","https://openalex.org/W2920114682","https://openalex.org/W4214807934","https://openalex.org/W4292972246","https://openalex.org/W4323520881"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2353179089","https://openalex.org/W2923538289","https://openalex.org/W2353125546","https://openalex.org/W2470643824","https://openalex.org/W2349635380","https://openalex.org/W4353089801","https://openalex.org/W2353819554","https://openalex.org/W2359488321","https://openalex.org/W3166640618"],"abstract_inverted_index":{"Array":[0],"ambiguities":[1,27,76,84],"and":[2,34,52,88],"the":[3,17,29,44,49,53,70,73,78,93],"design":[4],"of":[5,19,26,43,55,63,75,80,95],"ambiguity-free":[6],"arrays":[7,39],"have":[8],"been":[9],"studied":[10],"extensively.":[11],"These":[12],"studies":[13],"usually":[14],"focus":[15],"on":[16],"case":[18,31],"a":[20,60],"single":[21],"signal.":[22],"The":[23],"analytical":[24],"study":[25,62],"in":[28,72],"multi-signal":[30],"is":[32],"difficult":[33],"possibly":[35],"intractable":[36],"for":[37],"general":[38],"with":[40],"realistic":[41],"models":[42],"manifold.":[45],"This":[46],"paper":[47],"uses":[48],"covariance":[50,56],"manifold":[51],"framework":[54],"matching":[57],"to":[58],"perform":[59],"numerical":[61],"this":[64],"problem.":[65],"We":[66],"demonstrate":[67],"by":[68,102],"example":[69],"increase":[71],"number":[74,79,94],"as":[77],"signals":[81,96],"increases.":[82],"Multi-signal":[83],"are":[85],"an":[86,103],"important":[87],"often":[89],"overlooked":[90],"factor":[91],"limiting":[92],"which":[97],"can":[98],"be":[99],"uniquely":[100],"estimated":[101],"array.":[104]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
