{"id":"https://openalex.org/W2027107616","doi":"https://doi.org/10.1109/ssp.2014.6884584","title":"On the CRB for frequency estimation of superimposed multidimensional sinusoids","display_name":"On the CRB for frequency estimation of superimposed multidimensional sinusoids","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2027107616","doi":"https://doi.org/10.1109/ssp.2014.6884584","mag":"2027107616"},"language":"en","primary_location":{"id":"doi:10.1109/ssp.2014.6884584","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssp.2014.6884584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Workshop on Statistical Signal Processing (SSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5029714738","display_name":"Nick Letzepis","orcid":"https://orcid.org/0000-0003-0374-2109"},"institutions":[{"id":"https://openalex.org/I1303474014","display_name":"Defence Science and Technology Group","ror":"https://ror.org/05ddrvt52","country_code":"AU","type":"government","lineage":["https://openalex.org/I1303474014","https://openalex.org/I2801453606","https://openalex.org/I3139952251"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Nick Letzepis","raw_affiliation_strings":["Defence Science and Technology Organisation, Edinburgh, SA","Defence Sci. & Technol. Organ, Edinburgh, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Defence Science and Technology Organisation, Edinburgh, SA","institution_ids":["https://openalex.org/I1303474014"]},{"raw_affiliation_string":"Defence Sci. & Technol. Organ, Edinburgh, SA, Australia","institution_ids":["https://openalex.org/I1303474014"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5029714738"],"corresponding_institution_ids":["https://openalex.org/I1303474014"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"303","issue":null,"first_page":"97","last_page":"100"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9993000030517578,"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/superposition-principle","display_name":"Superposition principle","score":0.5755218267440796},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.5538594722747803},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5439190864562988},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.4908474087715149},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.4549048840999603},{"id":"https://openalex.org/keywords/sinusoid","display_name":"Sinusoid","score":0.4284237325191498},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.41101783514022827},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.39140573143959045},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37810516357421875},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.23391905426979065},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.07949325442314148}],"concepts":[{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.5755218267440796},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.5538594722747803},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5439190864562988},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.4908474087715149},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.4549048840999603},{"id":"https://openalex.org/C2776417487","wikidata":"https://www.wikidata.org/wiki/Q103142","display_name":"Sinusoid","level":2,"score":0.4284237325191498},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.41101783514022827},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.39140573143959045},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37810516357421875},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.23391905426979065},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.07949325442314148},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ssp.2014.6884584","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssp.2014.6884584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Workshop on Statistical Signal Processing (SSP)","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":11,"referenced_works":["https://openalex.org/W1968079322","https://openalex.org/W1975560590","https://openalex.org/W1994275403","https://openalex.org/W2106605010","https://openalex.org/W2128227157","https://openalex.org/W2130091942","https://openalex.org/W2136617136","https://openalex.org/W2149460029","https://openalex.org/W2263224228","https://openalex.org/W4233159434","https://openalex.org/W4255749072"],"related_works":["https://openalex.org/W4308749380","https://openalex.org/W4306957617","https://openalex.org/W2120266201","https://openalex.org/W2585557503","https://openalex.org/W2169354510","https://openalex.org/W2357431247","https://openalex.org/W1967296369","https://openalex.org/W4389474210","https://openalex.org/W1971427935","https://openalex.org/W2384408821"],"abstract_inverted_index":{"The":[0,22],"Cram\u00e9r-Rao":[1],"bound":[2],"(CRB)":[3],"is":[4,26,46,74],"derived":[5,27],"for":[6,37,54],"frequency":[7,50,78],"estimation":[8,51],"of":[9,12,30],"the":[10,17,31,49],"superposition":[11],"multidimensional":[13,66],"complex":[14,18],"sinusoids":[15],"assuming":[16],"gains":[19],"are":[20],"known.":[21],"Fisher":[23],"information":[24],"matrix":[25],"in":[28,40],"terms":[29],"Dirichlet":[32],"kernel,":[33],"a":[34,55,70],"kernel":[35],"well-known":[36],"its":[38,63,77],"use":[39],"Fourier":[41],"series.":[42],"In":[43],"general,":[44],"it":[45],"shown":[47],"that":[48,73],"error":[52],"variance":[53],"particular":[56],"sinusoid":[57,67],"can":[58],"be":[59],"lower":[60],"bounded":[61],"by":[62],"isolated":[64],"(single)":[65],"CRB":[68],"times":[69],"scaling":[71],"factor":[72],"dependent":[75],"on":[76],"separation":[79],"from":[80],"each":[81],"sinusoid.":[82]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
