{"id":"https://openalex.org/W2469974720","doi":"https://doi.org/10.1109/jstars.2016.2568742","title":"Reflectometry With an Open-Source Software GNSS Receiver: Use Case With Carrier Phase Altimetry","display_name":"Reflectometry With an Open-Source Software GNSS Receiver: Use Case With Carrier Phase Altimetry","publication_year":2016,"publication_date":"2016-06-29","ids":{"openalex":"https://openalex.org/W2469974720","doi":"https://doi.org/10.1109/jstars.2016.2568742","mag":"2469974720"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2016.2568742","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2568742","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044146122","display_name":"Laurent Lestarquit","orcid":"https://orcid.org/0000-0001-7866-2109"},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Laurent Lestarquit","raw_affiliation_strings":["the Centre National d'\u00e9tudes Spatiales, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"the Centre National d'\u00e9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046038907","display_name":"Mathieu Peyrezabes","orcid":null},"institutions":[{"id":"https://openalex.org/I4210115008","display_name":"M3 Systems (France)","ror":"https://ror.org/02b76pd77","country_code":"FR","type":"company","lineage":["https://openalex.org/I4210115008"]},{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mathieu Peyrezabes","raw_affiliation_strings":["Centre National d'\u00e9tudes Spatiales, Toulouse, France","M3System, Lavernose, France"],"affiliations":[{"raw_affiliation_string":"Centre National d'\u00e9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]},{"raw_affiliation_string":"M3System, Lavernose, France","institution_ids":["https://openalex.org/I4210115008"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107539831","display_name":"Jos\u00e9 Darrozes","orcid":"https://orcid.org/0000-0003-1750-2819"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210164289","display_name":"G\u00e9osciences Environnement Toulouse","ror":"https://ror.org/05k0qmv73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210164289","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jose Darrozes","raw_affiliation_strings":["G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France","institution_ids":["https://openalex.org/I4210164289","https://openalex.org/I134560555","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039294152","display_name":"Erwan Motte","orcid":"https://orcid.org/0000-0002-3466-9269"},"institutions":[{"id":"https://openalex.org/I4210100083","display_name":"Centre d'\u00c9tudes Spatiales de la Biosph\u00e8re","ror":"https://ror.org/01225hq90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210100083","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Erwan Motte","raw_affiliation_strings":["CESBIO, UMR 5126, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"CESBIO, UMR 5126, Toulouse, France","institution_ids":["https://openalex.org/I4210100083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018780651","display_name":"Nicolas Roussel","orcid":"https://orcid.org/0000-0003-3457-9826"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210164289","display_name":"G\u00e9osciences Environnement Toulouse","ror":"https://ror.org/05k0qmv73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210164289","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Roussel","raw_affiliation_strings":["G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France","institution_ids":["https://openalex.org/I4210164289","https://openalex.org/I134560555","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052857401","display_name":"Gilles Wautelet","orcid":"https://orcid.org/0000-0003-4146-5501"},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Gilles Wautelet","raw_affiliation_strings":["the Centre National d'\u00e9tudes Spatiales, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"the Centre National d'\u00e9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080685651","display_name":"Fr\u00e9d\u00e9ric Frappart","orcid":"https://orcid.org/0000-0002-4661-8274"},"institutions":[{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210164289","display_name":"G\u00e9osciences Environnement Toulouse","ror":"https://ror.org/05k0qmv73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210164289","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Frederic Frappart","raw_affiliation_strings":["G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France","institution_ids":["https://openalex.org/I4210164289","https://openalex.org/I134560555","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082519092","display_name":"Guillaume Ramillien","orcid":"https://orcid.org/0000-0003-4504-0770"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210164289","display_name":"G\u00e9osciences Environnement Toulouse","ror":"https://ror.org/05k0qmv73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210164289","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Guillaume Ramillien","raw_affiliation_strings":["G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"G\u00e9osciences Environnement Toulouse, UMR 5563, CNRS/IRD/UPS, OMP, Toulouse, France","institution_ids":["https://openalex.org/I4210164289","https://openalex.org/I134560555","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065671080","display_name":"R. Biancale","orcid":null},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Richard Biancale","raw_affiliation_strings":["the Centre National d'\u00e9tudes Spatiales, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"the Centre National d'\u00e9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028242808","display_name":"Mehrez Zribi","orcid":"https://orcid.org/0000-0001-6141-8222"},"institutions":[{"id":"https://openalex.org/I4210100083","display_name":"Centre d'\u00c9tudes Spatiales de la Biosph\u00e8re","ror":"https://ror.org/01225hq90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210100083","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mehrez Zribi","raw_affiliation_strings":["CESBIO, UMR 5126, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"CESBIO, UMR 5126, Toulouse, France","institution_ids":["https://openalex.org/I4210100083"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5044146122"],"corresponding_institution_ids":["https://openalex.org/I2799535048"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":2.7857,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.88935846,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"10","first_page":"4843","last_page":"4853"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9998999834060669,"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":0.9998999834060669,"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/T10655","display_name":"GNSS positioning and interference","score":0.9765999913215637,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9085999727249146,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reflectometry","display_name":"Reflectometry","score":0.7498657703399658},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.69935142993927},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.603556752204895},{"id":"https://openalex.org/keywords/altimeter","display_name":"Altimeter","score":0.595899760723114},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5664984583854675},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.45356839895248413},{"id":"https://openalex.org/keywords/gps-signals","display_name":"GPS signals","score":0.4195806086063385},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4128144681453705},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22456109523773193},{"id":"https://openalex.org/keywords/assisted-gps","display_name":"Assisted GPS","score":0.21640294790267944},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13892820477485657},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12070685625076294}],"concepts":[{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.7498657703399658},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.69935142993927},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.603556752204895},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.595899760723114},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5664984583854675},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.45356839895248413},{"id":"https://openalex.org/C12957241","wikidata":"https://www.wikidata.org/wiki/Q15903792","display_name":"GPS signals","level":4,"score":0.4195806086063385},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4128144681453705},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22456109523773193},{"id":"https://openalex.org/C198613851","wikidata":"https://www.wikidata.org/wiki/Q432394","display_name":"Assisted GPS","level":3,"score":0.21640294790267944},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13892820477485657},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12070685625076294},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2016.2568742","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2568742","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:orbi.ulg.ac.be:2268/199896","is_oa":false,"landing_page_url":"https://orbi.uliege.be/handle/2268/199896","pdf_url":null,"source":{"id":"https://openalex.org/S4306400651","display_name":"Open Repository and Bibliography (University of Li\u00e8ge)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157674565","host_organization_name":"University of Li\u00e8ge","host_organization_lineage":["https://openalex.org/I157674565"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2016)","raw_type":"peer reviewed"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8299999833106995,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321519","display_name":"Centre National d\u2019Etudes Spatiales","ror":"https://ror.org/04h1h0y33"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W385816797","https://openalex.org/W634699922","https://openalex.org/W780274140","https://openalex.org/W1540995894","https://openalex.org/W1607626080","https://openalex.org/W1664592451","https://openalex.org/W1923563908","https://openalex.org/W1974174879","https://openalex.org/W1974458883","https://openalex.org/W2025424371","https://openalex.org/W2030209988","https://openalex.org/W2038166203","https://openalex.org/W2076593455","https://openalex.org/W2079759953","https://openalex.org/W2086756792","https://openalex.org/W2101293653","https://openalex.org/W2101335079","https://openalex.org/W2113760121","https://openalex.org/W2123995570","https://openalex.org/W2126876401","https://openalex.org/W2128527387","https://openalex.org/W2128899743","https://openalex.org/W2132639726","https://openalex.org/W2155979668","https://openalex.org/W2187903479","https://openalex.org/W2296018493","https://openalex.org/W2323113048","https://openalex.org/W2340574333","https://openalex.org/W2979562478","https://openalex.org/W6622380185","https://openalex.org/W6637472555"],"related_works":["https://openalex.org/W4248597968","https://openalex.org/W2054128315","https://openalex.org/W1974846654","https://openalex.org/W2386611723","https://openalex.org/W337991944","https://openalex.org/W2161629363","https://openalex.org/W2184299274","https://openalex.org/W1645560203","https://openalex.org/W1983404271","https://openalex.org/W2126904819"],"abstract_inverted_index":{"An":[0],"open-source":[1],"GNSS":[2,28],"software":[3,167],"receiver":[4],"allows":[5,81,100],"to":[6,10,15,18,24,46,66,82,170,230,242],"have":[7,47],"full":[8],"access":[9],"the":[11,19,26,37,52,60,68,73,84,91,96,108,116,196,227,234,240],"signal":[12,33,54,133,138],"processing":[13,50],"and":[14,104,111,118,129,157,160,162,200],"make":[16],"add-ons":[17],"source":[20],"code":[21,148],"in":[22,36,55,190],"order":[23],"obtain":[25],"desired":[27],"reflectometry":[29],"processing.":[30],"The":[31,121],"direct":[32,117],"is":[34,77,168,239],"processed":[35],"standard":[38],"way,":[39],"its":[40],"tracking":[41],"loops":[42],"replica":[43,64],"are":[44,124],"tapped":[45],"a":[48,56,102,174,202,209,219],"robust":[49],"of":[51,107],"reflected":[53,69,97,119,137],"master-slave":[57],"configuration,":[58],"with":[59,141,218],"very":[61],"same":[62],"carrier":[63,126,182,215,244],"used":[65,172],"correlate":[67],"signal.":[70],"In":[71,211],"addition,":[72],"data":[74,187],"bit":[75],"sign":[76],"wiped":[78],"off,":[79],"which":[80],"extend":[83],"coherent":[85],"integration":[86],"time":[87],"(CIT)":[88],"well":[89],"beyond":[90,236],"usual":[92],"20-ms":[93],"limit":[94],"on":[95,185],"way.":[98],"This":[99,166],"having":[101],"straightforward":[103],"accurate":[105],"measurement":[106,217],"Amplitude":[109],"Ratio":[110],"Differential":[112],"Carrier":[113],"Phase":[114],"between":[115],"signals.":[120],"possible":[122],"applications":[123],"precise":[125],"phase":[127,183,216,245],"altimetry":[128,184,246],"any":[130],"application":[131],"requiring":[132],"amplitude":[134],"ratio,":[135],"or":[136,143],"Delay":[139],"Map,":[140],"single":[142],"dual":[144],"polarization,":[145],"this":[146],"include":[147],"altimetry,":[149],"humidity,":[150],"biomass,":[151],"soil":[152],"roughness,":[153],"ocean":[154],"surface":[155],"wind":[156],"wave":[158],"height,":[159],"snow":[161],"ice":[163],"characteristics":[164],"retrieval.":[165],"intended":[169],"be":[171],"as":[173],"research":[175],"tool.":[176],"It":[177],"has":[178],"been":[179],"tested":[180],"for":[181],"real":[186],"sets":[188],"collected":[189],"rather":[191],"calm":[192],"water":[193],"conditions:":[194],"at":[195],"60-m":[197],"Cordouan":[198],"Lighthouse,":[199],"during":[201],"600-":[203],"m":[204],"high":[205],"ATR42":[206],"flight":[207],"over":[208],"lake.":[210],"both":[212],"cases,":[213],"continuous":[214],"centimeter":[220],"level":[221],"precision":[222],"was":[223],"obtained":[224],"when":[225],"extending":[226],"CIT":[228,235],"up":[229],"500":[231],"ms.":[232],"Increasing":[233],"20":[237],"ms":[238],"key":[241],"improve":[243],"robustness.":[247]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":4}],"updated_date":"2026-02-25T23:00:34.991745","created_date":"2016-07-22T00:00:00"}