{"id":"https://openalex.org/W4206735651","doi":"https://doi.org/10.23919/eusipco54536.2021.9616276","title":"Inherent Limitations of Parameter Estimation of a Tempo-Spatial Field Using an Array of Heterogeneous Sensors","display_name":"Inherent Limitations of Parameter Estimation of a Tempo-Spatial Field Using an Array of Heterogeneous Sensors","publication_year":2021,"publication_date":"2021-08-23","ids":{"openalex":"https://openalex.org/W4206735651","doi":"https://doi.org/10.23919/eusipco54536.2021.9616276"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco54536.2021.9616276","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco54536.2021.9616276","pdf_url":null,"source":{"id":"https://openalex.org/S4363607854","display_name":"2021 29th European Signal Processing Conference (EUSIPCO)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 29th European Signal Processing Conference (EUSIPCO)","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/A5004067604","display_name":"Aviv Regev","orcid":"https://orcid.org/0000-0003-3293-3158"},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Aviv Regev","raw_affiliation_strings":["School of Electrical Engineering, Tel Aviv University, Israel"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Tel Aviv University, Israel","institution_ids":["https://openalex.org/I16391192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085904575","display_name":"Jonatan Ostrometzky","orcid":"https://orcid.org/0000-0003-4750-8656"},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Jonatan Ostrometzky","raw_affiliation_strings":["Digital Sciences for High-tech, Faculty of Engineering, Tel Aviv University, Israel"],"affiliations":[{"raw_affiliation_string":"Digital Sciences for High-tech, Faculty of Engineering, Tel Aviv University, Israel","institution_ids":["https://openalex.org/I16391192"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009711693","display_name":"Hagit Messer","orcid":"https://orcid.org/0000-0002-6378-3538"},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Hagit Messer","raw_affiliation_strings":["School of Electrical Engineering, Tel Aviv University, Israel"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Tel Aviv University, Israel","institution_ids":["https://openalex.org/I16391192"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5004067604"],"corresponding_institution_ids":["https://openalex.org/I16391192"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42857143,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"2010","last_page":"2014"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9800999760627747,"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/projection","display_name":"Projection (relational algebra)","score":0.6491345167160034},{"id":"https://openalex.org/keywords/fisher-information","display_name":"Fisher information","score":0.6424742937088013},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5751199126243591},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.5219411253929138},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.494608610868454},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.42984816431999207},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.42526954412460327},{"id":"https://openalex.org/keywords/point-process","display_name":"Point process","score":0.41588565707206726},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4062853753566742},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3248429298400879},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2988903522491455},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.12121105194091797},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.11362883448600769}],"concepts":[{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.6491345167160034},{"id":"https://openalex.org/C29406490","wikidata":"https://www.wikidata.org/wiki/Q1420659","display_name":"Fisher information","level":2,"score":0.6424742937088013},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5751199126243591},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.5219411253929138},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.494608610868454},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.42984816431999207},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.42526954412460327},{"id":"https://openalex.org/C88871306","wikidata":"https://www.wikidata.org/wiki/Q7208287","display_name":"Point process","level":2,"score":0.41588565707206726},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4062853753566742},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3248429298400879},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2988903522491455},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.12121105194091797},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.11362883448600769},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/eusipco54536.2021.9616276","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco54536.2021.9616276","pdf_url":null,"source":{"id":"https://openalex.org/S4363607854","display_name":"2021 29th European Signal Processing Conference (EUSIPCO)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 29th European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1976296624","https://openalex.org/W2062656075","https://openalex.org/W2111540686","https://openalex.org/W2153596831","https://openalex.org/W2163142353","https://openalex.org/W2163269972","https://openalex.org/W2285369411","https://openalex.org/W2295122841","https://openalex.org/W2326801594","https://openalex.org/W2470007142","https://openalex.org/W2521591230","https://openalex.org/W2588904423","https://openalex.org/W2972538898","https://openalex.org/W3011624163","https://openalex.org/W3015365909","https://openalex.org/W3016030691","https://openalex.org/W3043199080","https://openalex.org/W4206180546","https://openalex.org/W6697531805","https://openalex.org/W6768125242","https://openalex.org/W6780970754"],"related_works":["https://openalex.org/W3012088032","https://openalex.org/W2238904537","https://openalex.org/W2776312158","https://openalex.org/W1965458961","https://openalex.org/W2042150869","https://openalex.org/W3185610468","https://openalex.org/W4294328901","https://openalex.org/W2952582351","https://openalex.org/W3175371768","https://openalex.org/W2153568439"],"abstract_inverted_index":{"Based":[0],"on":[1],"an":[2],"analysis":[3,191],"of":[4,15,22,60,66,73,127,139,141,154,163,182,189,195],"the":[5,16,37,57,67,136,142,155,160,164,168,172,180,183,187],"Fisher":[6],"Information":[7],"Matrix":[8],"(FIM),":[9],"this":[10],"paper":[11],"presents":[12],"a":[13,23,29,51,83,101,117,148,152],"study":[14],"inherent":[17],"limitations":[18],"in":[19,43,85,88,103,107],"parameter":[20],"estimation":[21,173],"localized":[24],"tempo-spatial":[25],"field,":[26],"characterized":[27,81,99,146],"by":[28,36,147],"parametric":[30],"model.":[31],"The":[32],"problem":[33],"is":[34,145],"motivated":[35],"need":[38],"to":[39,175],"retrieve":[40],"rain":[41,92],"fields":[42],"rural":[44],"areas,":[45],"where":[46,70],"sudden":[47],"flash":[48],"floods":[49],"are":[50,75,130],"life-threatening":[52],"hazard.":[53],"We":[54,114,185],"first":[55],"identify":[56,167],"minimum":[58],"number":[59,162],"sensors":[61,74,79,97],"necessary":[62],"for":[63,171],"estimating":[64],"all":[65],"unknown":[68,143],"parameters,":[69],"two":[71],"types":[72],"considered:":[76],"time":[77,89],"projection":[78,96,106,120],"-":[80,98],"as":[82,91,100,110,151],"point":[84,102],"space,":[86],"line-projection":[87],"(such":[90,109],"gauges),":[93],"and":[94],"spatial":[95,119],"time,":[104],"line":[105],"space":[108],"wireless":[111],"microwave":[112],"links).":[113],"show":[115,134],"that":[116,135],"single":[118],"sensor":[121,126],"with":[122,192],"one":[123],"or":[124],"more":[125],"any":[128],"type":[129],"required.":[131],"Then,":[132],"we":[133,166],"Cramer-Rao":[137],"bound":[138],"each":[140],"parameters":[144],"U-shape":[149],"curve":[150],"function":[153],"observation":[156],"period.":[157],"By":[158],"studying":[159],"condition":[161],"FIM":[165],"sufficient":[169],"conditions":[170],"errors":[174],"be":[176],"small":[177],"(i.e.,":[178],"at":[179],"bottom":[181],"U-shape).":[184],"demonstrate":[186],"results":[188],"our":[190],"different":[193],"combinations":[194],"sensors.":[196]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
