{"id":"https://openalex.org/W3158933550","doi":"https://doi.org/10.3390/rs13091613","title":"A Multi-Frequency SDR-Based GBSAR: System Overview and First Results","display_name":"A Multi-Frequency SDR-Based GBSAR: System Overview and First Results","publication_year":2021,"publication_date":"2021-04-21","ids":{"openalex":"https://openalex.org/W3158933550","doi":"https://doi.org/10.3390/rs13091613","mag":"3158933550"},"language":"en","primary_location":{"id":"doi:10.3390/rs13091613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091613","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1613/pdf?version=1618997362","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/9/1613/pdf?version=1618997362","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008138223","display_name":"A. Am\u00e9zaga","orcid":"https://orcid.org/0000-0002-7166-378X"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Adri\u00e0 Am\u00e9zaga","raw_affiliation_strings":["Balam Ingenier\u00eda de Sistemas SL, 08792 La Granada, Spain","Remote Sensing Lab (RSLab), Department of Signal Theory and Communications (TSC), Campus Nord, Universitat Polit\u00e8cnica de Catalunya\u2014BarcelonaTech (UPC), Jordi Girona 1-3, D4 Building, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Balam Ingenier\u00eda de Sistemas SL, 08792 La Granada, Spain","institution_ids":[]},{"raw_affiliation_string":"Remote Sensing Lab (RSLab), Department of Signal Theory and Communications (TSC), Campus Nord, Universitat Polit\u00e8cnica de Catalunya\u2014BarcelonaTech (UPC), Jordi Girona 1-3, D4 Building, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103228763","display_name":"Carlos L\u00f3pez-Mart\u00ednez","orcid":"https://orcid.org/0000-0002-1366-9446"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carlos L\u00f3pez-Mart\u00ednez","raw_affiliation_strings":["Remote Sensing Lab (RSLab), Department of Signal Theory and Communications (TSC), Campus Nord, Universitat Polit\u00e8cnica de Catalunya\u2014BarcelonaTech (UPC), Jordi Girona 1-3, D4 Building, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Lab (RSLab), Department of Signal Theory and Communications (TSC), Campus Nord, Universitat Polit\u00e8cnica de Catalunya\u2014BarcelonaTech (UPC), Jordi Girona 1-3, D4 Building, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":null,"display_name":"Roger Jov\u00e9","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Roger Jov\u00e9","raw_affiliation_strings":["Balam Ingenier\u00eda de Sistemas SL, 08792 La Granada, Spain"],"affiliations":[{"raw_affiliation_string":"Balam Ingenier\u00eda de Sistemas SL, 08792 La Granada, Spain","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5008138223"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.2839,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.94089237,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"13","issue":"9","first_page":"1613","last_page":"1613"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9994999766349792,"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":0.9965999722480774,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9957000017166138,"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/software-defined-radio","display_name":"Software-defined radio","score":0.851742148399353},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7103687524795532},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.6894038319587708},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.6335504055023193},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.5810509920120239},{"id":"https://openalex.org/keywords/software-implementation","display_name":"Software implementation","score":0.510038435459137},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.42748400568962097},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.40005677938461304},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3911706209182739},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32679808139801025},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21714246273040771},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.14657816290855408},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1152929961681366},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.09414678812026978}],"concepts":[{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.851742148399353},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7103687524795532},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.6894038319587708},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.6335504055023193},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.5810509920120239},{"id":"https://openalex.org/C2983609787","wikidata":"https://www.wikidata.org/wiki/Q10534782","display_name":"Software implementation","level":3,"score":0.510038435459137},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.42748400568962097},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.40005677938461304},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3911706209182739},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32679808139801025},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21714246273040771},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.14657816290855408},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1152929961681366},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.09414678812026978},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs13091613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091613","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1613/pdf?version=1618997362","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2218f87874b94d2693787a449506daf9","is_oa":true,"landing_page_url":"https://doaj.org/article/2218f87874b94d2693787a449506daf9","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 9, p 1613 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/9/1613/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13091613","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Remote Sensing","raw_type":"Text"},{"id":"pmh:oai:upcommons.upc.edu:2117/344151","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/344151","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"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":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.3390/rs13091613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091613","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1613/pdf?version=1618997362","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4531677044","display_name":null,"funder_award_id":"grant","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"},{"id":"https://openalex.org/G8181105605","display_name":null,"funder_award_id":"RTI2018","funder_id":"https://openalex.org/F4320315062","funder_display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades"},{"id":"https://openalex.org/G8748268856","display_name":null,"funder_award_id":"RTI2018-099008-B-C21","funder_id":"https://openalex.org/F4320315062","funder_display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades"}],"funders":[{"id":"https://openalex.org/F4320315062","display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades","ror":null},{"id":"https://openalex.org/F4320321837","display_name":"Ministerio de Econom\u00eda y Competitividad","ror":"https://ror.org/034900433"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3158933550.pdf","grobid_xml":"https://content.openalex.org/works/W3158933550.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1551178665","https://openalex.org/W1607572512","https://openalex.org/W1680996412","https://openalex.org/W1895978855","https://openalex.org/W1941323309","https://openalex.org/W2006061968","https://openalex.org/W2014238043","https://openalex.org/W2034512073","https://openalex.org/W2069388801","https://openalex.org/W2082424233","https://openalex.org/W2105821206","https://openalex.org/W2108982394","https://openalex.org/W2112882966","https://openalex.org/W2115018473","https://openalex.org/W2127667892","https://openalex.org/W2130005391","https://openalex.org/W2152697668","https://openalex.org/W2156794973","https://openalex.org/W2166598772","https://openalex.org/W2168489793","https://openalex.org/W2432100165","https://openalex.org/W2575508362","https://openalex.org/W2580920757","https://openalex.org/W2611818793","https://openalex.org/W2626190416","https://openalex.org/W2808078843","https://openalex.org/W2903312433","https://openalex.org/W2918257500","https://openalex.org/W2942820218","https://openalex.org/W6600378224","https://openalex.org/W6639631085","https://openalex.org/W6677151088"],"related_works":["https://openalex.org/W2369416268","https://openalex.org/W2741776607","https://openalex.org/W2377364651","https://openalex.org/W2362571242","https://openalex.org/W4381198732","https://openalex.org/W1569141146","https://openalex.org/W2387078853","https://openalex.org/W150283939","https://openalex.org/W2374455716","https://openalex.org/W2363990172"],"abstract_inverted_index":{"This":[0],"work":[1],"describes":[2],"a":[3,7,12,30,108],"system-level":[4],"overview":[5,65],"of":[6,22,43,66,73,80,102],"multi-frequency":[8,36],"GBSAR":[9,37,105],"built":[10],"around":[11],"high":[13],"performance":[14],"software":[15,68],"defined":[16],"radio":[17],"(SDR).":[18],"The":[19,39,78],"main":[20],"goal":[21],"the":[23,67,74,81,100],"instrument":[24],"is":[25,41,83,97,107],"to":[26],"be":[27],"employed":[28],"as":[29],"demonstrator":[31],"and":[32,49,51,54,60,69,71],"experimental":[33],"platform":[34],"for":[35,104],"campaigns.":[38],"system":[40,75,82],"capable":[42],"operating":[44],"in":[45],"P,":[46],"L,":[47],"C":[48],"X-bands,":[50],"signal":[52,56],"generation":[53],"digital":[55],"processing":[57],"are":[58,76],"customizable":[59],"reconfigurable":[61],"through":[62],"software.":[63],"An":[64],"hardware":[70],"implementations":[72],"presented.":[77],"operation":[79],"demonstrated":[84],"with":[85],"two":[86],"measuring":[87],"campaigns":[88],"showing":[89],"focused":[90],"amplitude":[91],"images":[92],"at":[93],"different":[94],"frequencies.":[95],"It":[96],"shown":[98],"how":[99],"usage":[101],"SDR":[103],"systems":[106],"viable":[109],"design":[110],"option.":[111]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2021-05-10T00:00:00"}