{"id":"https://openalex.org/W2803771745","doi":"https://doi.org/10.1155/2018/3436503","title":"Calibration of Passive UHF RFID Tags Using Neural Networks to Measure Soil Moisture","display_name":"Calibration of Passive UHF RFID Tags Using Neural Networks to Measure Soil Moisture","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2803771745","doi":"https://doi.org/10.1155/2018/3436503","mag":"2803771745"},"language":"en","primary_location":{"id":"doi:10.1155/2018/3436503","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/3436503","pdf_url":"http://downloads.hindawi.com/journals/js/2018/3436503.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"http://downloads.hindawi.com/journals/js/2018/3436503.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005271137","display_name":"Rafael Vidal Aroca","orcid":"https://orcid.org/0000-0003-4879-6493"},"institutions":[{"id":"https://openalex.org/I177909021","display_name":"Universidade Federal de S\u00e3o Carlos","ror":"https://ror.org/00qdc6m37","country_code":"BR","type":"education","lineage":["https://openalex.org/I177909021"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Rafael V. Aroca","raw_affiliation_strings":["Federal University of S\u00e3o Carlos (UFSCar), S\u00e3o Carlos, SP, Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of S\u00e3o Carlos (UFSCar), S\u00e3o Carlos, SP, Brazil","institution_ids":["https://openalex.org/I177909021"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068361523","display_name":"Andr\u00e9 Carmona Hernandes","orcid":"https://orcid.org/0000-0002-1709-9903"},"institutions":[{"id":"https://openalex.org/I177909021","display_name":"Universidade Federal de S\u00e3o Carlos","ror":"https://ror.org/00qdc6m37","country_code":"BR","type":"education","lineage":["https://openalex.org/I177909021"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Andr\u00e9 C. Hernandes","raw_affiliation_strings":["Federal University of S\u00e3o Carlos (UFSCar), S\u00e3o Carlos, SP, Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of S\u00e3o Carlos (UFSCar), S\u00e3o Carlos, SP, Brazil","institution_ids":["https://openalex.org/I177909021"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059074012","display_name":"Daniel Varela Magalh\u00e3es","orcid":"https://orcid.org/0000-0002-1850-3103"},"institutions":[{"id":"https://openalex.org/I17974374","display_name":"Universidade de S\u00e3o Paulo","ror":"https://ror.org/036rp1748","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Daniel V. Magalh\u00e3es","raw_affiliation_strings":["University of S\u00e3o Paulo (USP), S\u00e3o Paulo, SP, Brazil"],"affiliations":[{"raw_affiliation_string":"University of S\u00e3o Paulo (USP), S\u00e3o Paulo, SP, Brazil","institution_ids":["https://openalex.org/I17974374"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002220583","display_name":"Marcelo Becker","orcid":"https://orcid.org/0000-0002-7508-5817"},"institutions":[{"id":"https://openalex.org/I17974374","display_name":"Universidade de S\u00e3o Paulo","ror":"https://ror.org/036rp1748","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Marcelo Becker","raw_affiliation_strings":["University of S\u00e3o Paulo (USP), S\u00e3o Paulo, SP, Brazil"],"affiliations":[{"raw_affiliation_string":"University of S\u00e3o Paulo (USP), S\u00e3o Paulo, SP, Brazil","institution_ids":["https://openalex.org/I17974374"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031016144","display_name":"Carlos Manoel Pedro Vaz","orcid":"https://orcid.org/0000-0003-1336-8958"},"institutions":[{"id":"https://openalex.org/I199691007","display_name":"Brazilian Agricultural Research Corporation","ror":"https://ror.org/0482b5b22","country_code":"BR","type":"government","lineage":["https://openalex.org/I199691007"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Carlos Manoel Pedro Vaz","raw_affiliation_strings":["Brazilian Agricultural Research Corporation (EMBRAPA), Bras\u00edlia, DF, Brazil"],"affiliations":[{"raw_affiliation_string":"Brazilian Agricultural Research Corporation (EMBRAPA), Bras\u00edlia, DF, Brazil","institution_ids":["https://openalex.org/I199691007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110456560","display_name":"A. G. Calbo","orcid":null},"institutions":[{"id":"https://openalex.org/I199691007","display_name":"Brazilian Agricultural Research Corporation","ror":"https://ror.org/0482b5b22","country_code":"BR","type":"government","lineage":["https://openalex.org/I199691007"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Adonai G. Calbo","raw_affiliation_strings":["Brazilian Agricultural Research Corporation (EMBRAPA), Bras\u00edlia, DF, Brazil"],"affiliations":[{"raw_affiliation_string":"Brazilian Agricultural Research Corporation (EMBRAPA), Bras\u00edlia, DF, Brazil","institution_ids":["https://openalex.org/I199691007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5005271137"],"corresponding_institution_ids":["https://openalex.org/I177909021"],"apc_list":{"value":2100,"currency":"USD","value_usd":2100},"apc_paid":{"value":2100,"currency":"USD","value_usd":2100},"fwci":1.741,"has_fulltext":true,"cited_by_count":38,"citation_normalized_percentile":{"value":0.8235028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"2018","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11404","display_name":"Irrigation Practices and Water Management","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9769999980926514,"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/computer-science","display_name":"Computer science","score":0.6169673800468445},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.5967087745666504},{"id":"https://openalex.org/keywords/ultra-high-frequency","display_name":"Ultra high frequency","score":0.5945068597793579},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5779359936714172},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.45566999912261963},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.43486344814300537},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.388781875371933},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2479267716407776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19078806042671204},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.15032032132148743},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08624067902565002}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6169673800468445},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.5967087745666504},{"id":"https://openalex.org/C96122199","wikidata":"https://www.wikidata.org/wiki/Q628096","display_name":"Ultra high frequency","level":2,"score":0.5945068597793579},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5779359936714172},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.45566999912261963},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.43486344814300537},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.388781875371933},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2479267716407776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19078806042671204},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.15032032132148743},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08624067902565002},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1155/2018/3436503","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/3436503","pdf_url":"http://downloads.hindawi.com/journals/js/2018/3436503.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},{"id":"pmh:003023744","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/3436503","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da USP (Biblioteca Digital da Produ\u00e7\u00e3o Intelectual)","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:003023756","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1155/2018/3436503","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da USP (Biblioteca Digital da Produ\u00e7\u00e3o Intelectual)","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:doaj.org/article:ffed90a9e0db46759a1faaecd1afca4d","is_oa":true,"landing_page_url":"https://doaj.org/article/ffed90a9e0db46759a1faaecd1afca4d","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Sensors, Vol 2018 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2018/3436503","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/3436503","pdf_url":"http://downloads.hindawi.com/journals/js/2018/3436503.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","score":0.550000011920929,"display_name":"Clean water and sanitation"}],"awards":[{"id":"https://openalex.org/G3601516360","display_name":null,"funder_award_id":"Brazil","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G5079005330","display_name":null,"funder_award_id":"support","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G7295187585","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G7922335740","display_name":null,"funder_award_id":"441630/2014-6","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"}],"funders":[{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2803771745.pdf","grobid_xml":"https://content.openalex.org/works/W2803771745.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W1984983488","https://openalex.org/W2108651704","https://openalex.org/W2120447609","https://openalex.org/W2144260204","https://openalex.org/W2495379069","https://openalex.org/W2551245578","https://openalex.org/W2555758953","https://openalex.org/W2567530143","https://openalex.org/W2625669570","https://openalex.org/W2789419223"],"related_works":["https://openalex.org/W4405138214","https://openalex.org/W2036374021","https://openalex.org/W2925227264","https://openalex.org/W3090532395","https://openalex.org/W2124113870","https://openalex.org/W2347832052","https://openalex.org/W2370825978","https://openalex.org/W2369450403","https://openalex.org/W2563047151","https://openalex.org/W415401435"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,80,104,168],"system":[4,69,182,199],"to":[5,28,103,110,132,176,194,228],"monitor":[6],"soil":[7,87,150,171,237,248],"moisture":[8,58,172],"using":[9,160],"standard":[10],"UHF":[11],"RFID":[12,49,82,91,105,240],"tags":[13,50,92,208,230],"buried":[14,43,52,84,93,210],"on":[15,30,44,53,85,97,138,148,211],"the":[16,31,36,45,54,61,86,98,111,121,134,139,149,177,181,212,236,239,247],"soil.":[17,46,99,140],"An":[18,100],"autonomous":[19],"mobile":[20],"robot":[21],"is":[22,26,226],"also":[23],"presented,":[24],"which":[25],"capable":[27],"navigate":[29],"field":[32],"and":[33,73,75,118,127,154,206],"automatically":[34],"read":[35,229],"sensors,":[37],"even":[38],"if":[39],"they":[40],"are":[41,51],"completely":[42],"Thus,":[47],"passive":[48],"soil,":[55],"allowing":[56],"wireless":[57],"measurement":[59],"without":[60],"need":[62],"of":[63,79,113,115,136,143],"batteries":[64],"for":[65,216],"long":[66],"periods.":[67],"The":[68,141,198],"dispenses":[70],"external":[71],"cables":[72],"antennas":[74],"may":[76],"be":[77,108],"composed":[78],"single":[81],"tag":[83],"or":[88,185,191],"by":[89,119],"several":[90,204],"at":[94,217,231],"different":[95],"depths":[96],"antenna":[101,242],"coupled":[102],"reader":[106,241],"can":[107],"pointed":[109],"place":[112],"installation":[114,179],"these":[116],"tags,":[117],"measuring":[120],"received":[122],"signal":[123],"strength":[124],"indicator":[125],"(RSSI)":[126],"other":[128,192],"parameters,":[129],"it":[130,225],"allows":[131,183],"estimate":[133],"amount":[135],"water":[137,145],"estimation":[142],"volumetric":[144],"content":[146],"(VWC)":[147],"was":[151],"successfully":[152],"obtained":[153],"calibrated":[155],"with":[156,164,238],"<mml:math":[157],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[158],"id=\"M1\"><mml:msup><mml:mrow><mml:mi>R</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup><mml:mo>&gt;</mml:mo><mml:mn>0.9</mml:mn></mml:math>":[159],"neural":[161],"networks":[162],"trained":[163],"experimental":[165],"data":[166],"from":[167,246],"reference":[169],"capacitive":[170],"sensor.":[173],"In":[174],"addition":[175],"simplified":[178],"procedure,":[180],"manual":[184],"automatic":[186],"reading":[187],"through":[188],"irrigation":[189,196],"systems":[190,193],"control":[195],"systems.":[197],"has":[200],"been":[201],"evaluated":[202],"in":[203,235],"experiments,":[205],"nine":[207],"were":[209],"field,":[213],"being":[214],"used":[215],"least":[218],"three":[219],"years.":[220],"Experimental":[221],"results":[222],"show":[223],"that":[224],"possible":[227],"40":[232],"cm":[233,244],"deep":[234],"10":[243],"far":[245],"surface.":[249]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
