{"id":"https://openalex.org/W2482063334","doi":"https://doi.org/10.1109/jstars.2016.2579599","title":"GPS Diffractive Reflectometry: Footprint of a Coherent Radio Reflection Inferred From the Sensitivity Kernel of Multipath SNR","display_name":"GPS Diffractive Reflectometry: Footprint of a Coherent Radio Reflection Inferred From the Sensitivity Kernel of Multipath SNR","publication_year":2016,"publication_date":"2016-07-20","ids":{"openalex":"https://openalex.org/W2482063334","doi":"https://doi.org/10.1109/jstars.2016.2579599","mag":"2482063334"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2016.2579599","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2579599","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/11449/162150","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048182527","display_name":"Felipe Geremia\u2010Nievinski","orcid":"https://orcid.org/0000-0002-3325-1987"},"institutions":[{"id":"https://openalex.org/I879563668","display_name":"Universidade Estadual Paulista (Unesp)","ror":"https://ror.org/00987cb86","country_code":"BR","type":"education","lineage":["https://openalex.org/I879563668"]},{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Felipe Geremia-Nievinski","raw_affiliation_strings":["Faculty of Sciences and Technology, S\u00e3o Paulo State University, Sao Paulo, Brazil","Department of Geodesy, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil"],"affiliations":[{"raw_affiliation_string":"Faculty of Sciences and Technology, S\u00e3o Paulo State University, Sao Paulo, Brazil","institution_ids":["https://openalex.org/I879563668"]},{"raw_affiliation_string":"Department of Geodesy, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil","institution_ids":["https://openalex.org/I130442723"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049555838","display_name":"Matheus Ferreira e Silva","orcid":null},"institutions":[{"id":"https://openalex.org/I879563668","display_name":"Universidade Estadual Paulista (Unesp)","ror":"https://ror.org/00987cb86","country_code":"BR","type":"education","lineage":["https://openalex.org/I879563668"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Matheus Ferreira e Silva","raw_affiliation_strings":["Faculty of Sciences and Technology, Sao Paulo State University, Sao Paulo, Brazil"],"affiliations":[{"raw_affiliation_string":"Faculty of Sciences and Technology, Sao Paulo State University, Sao Paulo, Brazil","institution_ids":["https://openalex.org/I879563668"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010630795","display_name":"K. Boniface","orcid":"https://orcid.org/0000-0003-0174-6405"},"institutions":[{"id":"https://openalex.org/I4210154111","display_name":"Universit\u00e9 Gustave Eiffel","ror":"https://ror.org/03x42jk29","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210154111"]},{"id":"https://openalex.org/I4210112832","display_name":"Institut des Sciences de la Terre","ror":"https://ror.org/01cf2sz15","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112832","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210154111","https://openalex.org/I4210166444","https://openalex.org/I70900168","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I899635006","display_name":"Universit\u00e9 Grenoble Alpes","ror":"https://ror.org/02rx3b187","country_code":"FR","type":"education","lineage":["https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Karen Boniface","raw_affiliation_strings":["Univ. Grenoble Alpes, ISTerre, France"],"affiliations":[{"raw_affiliation_string":"Univ. Grenoble Alpes, ISTerre, France","institution_ids":["https://openalex.org/I4210112832","https://openalex.org/I899635006","https://openalex.org/I4210154111"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017122473","display_name":"Jo\u00e3o Francisco Galera Monico","orcid":"https://orcid.org/0000-0003-4101-9261"},"institutions":[{"id":"https://openalex.org/I879563668","display_name":"Universidade Estadual Paulista (Unesp)","ror":"https://ror.org/00987cb86","country_code":"BR","type":"education","lineage":["https://openalex.org/I879563668"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jo\u00e3o Francisco Galera Monico","raw_affiliation_strings":["Faculty of Sciences and Technology, S\u00e3o Paulo State University, Sao Paulo, Brazil"],"affiliations":[{"raw_affiliation_string":"Faculty of Sciences and Technology, S\u00e3o Paulo State University, Sao Paulo, Brazil","institution_ids":["https://openalex.org/I879563668"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5048182527"],"corresponding_institution_ids":["https://openalex.org/I130442723","https://openalex.org/I879563668"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":1.2231,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.78767008,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":"10","first_page":"4884","last_page":"4891"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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":1.0,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10655","display_name":"GNSS positioning and interference","score":0.9972000122070312,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/specular-reflection","display_name":"Specular reflection","score":0.7095905542373657},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.7013370394706726},{"id":"https://openalex.org/keywords/reflectometry","display_name":"Reflectometry","score":0.6817640066146851},{"id":"https://openalex.org/keywords/diffraction","display_name":"Diffraction","score":0.5553643703460693},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5542749166488647},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5469914674758911},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.5216639041900635},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.5172551274299622},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.50166916847229},{"id":"https://openalex.org/keywords/fresnel-zone","display_name":"Fresnel zone","score":0.49727490544319153},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.40507087111473083},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.37845057249069214},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.30768540501594543},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.28064411878585815},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18953531980514526},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.16247513890266418},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08586177229881287}],"concepts":[{"id":"https://openalex.org/C118381688","wikidata":"https://www.wikidata.org/wiki/Q1079524","display_name":"Specular reflection","level":2,"score":0.7095905542373657},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.7013370394706726},{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.6817640066146851},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.5553643703460693},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5542749166488647},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5469914674758911},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.5216639041900635},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.5172551274299622},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.50166916847229},{"id":"https://openalex.org/C200292535","wikidata":"https://www.wikidata.org/wiki/Q1455719","display_name":"Fresnel zone","level":3,"score":0.49727490544319153},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.40507087111473083},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.37845057249069214},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.30768540501594543},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28064411878585815},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18953531980514526},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.16247513890266418},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08586177229881287},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","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/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jstars.2016.2579599","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2579599","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:americanae.aecid.es:1758356","is_oa":true,"landing_page_url":"http://hdl.handle.net/11449/162150","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da UNESP","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:repositorio.unesp.br:11449/162150","is_oa":true,"landing_page_url":"http://doi.org/10.1109/JSTARS.2016.2579599","pdf_url":null,"source":{"id":"https://openalex.org/S4377196277","display_name":"UNESP Institutional Repository (S\u00e3o Paulo State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I879563668","host_organization_name":"Universidade Estadual Paulista (Unesp)","host_organization_lineage":["https://openalex.org/I879563668"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"instacron:UNESP","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:americanae.aecid.es:1758356","is_oa":true,"landing_page_url":"http://hdl.handle.net/11449/162150","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da UNESP","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":0.5699999928474426,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G125424848","display_name":"Collaborative Research:  EarthScope-Acquisition, Construction, Facility Management, Operations and Maintenance/Plate Boundary Observatory (PBO)\r\n","funder_award_id":"0350028","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1363804672","display_name":"Collaborative Research: EarthScope Facility Operation and Maintenance (FY2008-FY2013) (PBO/SAFOD)","funder_award_id":"0732947","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5276072331","display_name":null,"funder_award_id":"EAR-0732947","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6435543514","display_name":null,"funder_award_id":"457530/2014-6","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G7398351327","display_name":null,"funder_award_id":"EAR-0350028","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W60514381","https://openalex.org/W174782605","https://openalex.org/W634699922","https://openalex.org/W1517100357","https://openalex.org/W1540232275","https://openalex.org/W1567405173","https://openalex.org/W1577516756","https://openalex.org/W1598970893","https://openalex.org/W1608993610","https://openalex.org/W1633529777","https://openalex.org/W1657789939","https://openalex.org/W1672771901","https://openalex.org/W1676832643","https://openalex.org/W1830286150","https://openalex.org/W1860649799","https://openalex.org/W1977502115","https://openalex.org/W1995274007","https://openalex.org/W1996136005","https://openalex.org/W1996689350","https://openalex.org/W2003269020","https://openalex.org/W2012298856","https://openalex.org/W2012320204","https://openalex.org/W2015066808","https://openalex.org/W2021959240","https://openalex.org/W2022191510","https://openalex.org/W2022585320","https://openalex.org/W2025424371","https://openalex.org/W2028099599","https://openalex.org/W2030209988","https://openalex.org/W2038949129","https://openalex.org/W2041076557","https://openalex.org/W2043572193","https://openalex.org/W2048336910","https://openalex.org/W2074044398","https://openalex.org/W2081839958","https://openalex.org/W2091137602","https://openalex.org/W2104461599","https://openalex.org/W2106677843","https://openalex.org/W2107580583","https://openalex.org/W2136609996","https://openalex.org/W2151466963","https://openalex.org/W2154561622","https://openalex.org/W2179651300","https://openalex.org/W2315214008","https://openalex.org/W2405881380","https://openalex.org/W2504277193","https://openalex.org/W2599989850","https://openalex.org/W2744663997","https://openalex.org/W3023201122","https://openalex.org/W4238818541","https://openalex.org/W4240733927","https://openalex.org/W4254996635","https://openalex.org/W6607041733","https://openalex.org/W6635713658","https://openalex.org/W6636435248","https://openalex.org/W6735544318"],"related_works":["https://openalex.org/W2140036717","https://openalex.org/W2091193607","https://openalex.org/W4389501116","https://openalex.org/W2559833131","https://openalex.org/W2730225583","https://openalex.org/W4393899117","https://openalex.org/W2175900582","https://openalex.org/W1536208696","https://openalex.org/W3170447441","https://openalex.org/W28136511"],"abstract_inverted_index":{"The":[0,64,100,109],"validation":[1],"of":[2,9,37,73,91,107,111,140,155],"remote":[3],"sensing":[4],"environmental":[5],"estimates":[6],"requires":[7],"knowledge":[8],"their":[10],"spatial":[11],"extent":[12],"and":[13,42,51,85,117,145],"resolution.":[14],"Here,":[15],"we":[16],"consider":[17],"coherent":[18],"radio":[19,94],"reflections":[20],"routinely":[21],"observed":[22],"in":[23,35,83,119],"ground-based":[24],"global":[25],"positioning":[26],"system":[27],"(GPS)":[28],"reflectometry.":[29],"Their":[30],"footprint":[31],"is":[32],"often":[33],"conceptualized":[34],"terms":[36],"the":[38,43,71,89,105,115,124,127,133,138,142,150,153],"specular":[39],"point":[40,50],"(SP)":[41],"first":[44],"Fresnel":[45],"zone":[46,53],"(FFZ).":[47],"Such":[48],"infinitesimal":[49],"finite":[52],"can":[54],"be":[55],"generalized":[56],"into":[57],"a":[58,67,92],"spatially":[59],"continuous":[60],"sensitivity":[61,129],"kernel":[62],"(SK).":[63],"SK":[65,90,101],"represents":[66],"diffraction":[68,143,157],"pattern,":[69],"as":[70],"importance":[72],"each":[74],"surface":[75],"portion":[76],"depends":[77],"on":[78],"its":[79,120],"scattered":[80],"field":[81],"contribution":[82],"power":[84],"phase.":[86],"We":[87],"measured":[88],"GPS":[93,156],"reflection":[95],"under":[96],"bipath":[97],"reception":[98],"conditions.":[99],"exhibited":[102],"oscillations":[103,112],"along":[104],"plane":[106],"incidence.":[108],"envelope":[110],"peaked":[113],"near":[114],"SP":[116],"persisted":[118],"decay":[121],"well":[122],"beyond":[123],"FFZ.":[125],"Within":[126],"FFZ,":[128],"was":[130],"skewed":[131],"toward":[132],"antenna.":[134],"This":[135],"experiment":[136],"suggests":[137],"feasibility":[139],"overcoming":[141],"limit":[144],"resolving":[146],"features":[147],"smaller":[148],"than":[149],"FFZ":[151],"with":[152],"exploitation":[154],"patterns.":[158]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}
