{"id":"https://openalex.org/W4391935182","doi":"https://doi.org/10.1109/tgrs.2024.3367544","title":"A Fully Focused SAR Omega-K Closed-Form Algorithm for the Sentinel-6 Radar Altimeter: Methodology and Applications","display_name":"A Fully Focused SAR Omega-K Closed-Form Algorithm for the Sentinel-6 Radar Altimeter: Methodology and Applications","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4391935182","doi":"https://doi.org/10.1109/tgrs.2024.3367544"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2024.3367544","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3367544","pdf_url":"https://ieeexplore.ieee.org/ielx7/36/4358825/10440116.pdf","source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ieeexplore.ieee.org/ielx7/36/4358825/10440116.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5093955696","display_name":"Sergi Hern\u00e1ndez","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Sergi Hern\u00e1ndez-Burgos","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006323193","display_name":"F. Gibert","orcid":"https://orcid.org/0000-0003-0747-1481"},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ferran Gibert","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009391161","display_name":"A. Broquetas","orcid":"https://orcid.org/0000-0001-9801-9145"},"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":"Antoni Broquetas","raw_affiliation_strings":["Teoria del Senyal i Comunicacions, Universitat Polit&#x00E8;cnica de Catalunya, Barcelona, Catalonia"],"affiliations":[{"raw_affiliation_string":"Teoria del Senyal i Comunicacions, Universitat Polit&#x00E8;cnica de Catalunya, Barcelona, Catalonia","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008749246","display_name":"Marcel Kleinherenbrink","orcid":"https://orcid.org/0000-0002-1921-8056"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Marcel Kleinherenbrink","raw_affiliation_strings":["Geoscience and Remote Sensing, Technische Universiteit Delft, CD Delft, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Geoscience and Remote Sensing, Technische Universiteit Delft, CD Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090295243","display_name":"Adri\u00e1n Flores de la Cruz","orcid":"https://orcid.org/0000-0002-1425-5931"},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Adri\u00e1n Flores De la Cruz","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039865904","display_name":"Adri\u00e0 G\u00f3mez-Oliv\u00e9","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Adri\u00e0 G\u00f3mez-Oliv\u00e9","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023652839","display_name":"Albert Garc\u00eda-Mond\u00e9jar","orcid":"https://orcid.org/0000-0002-1440-6373"},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Albert Garc\u00eda-Mond\u00e9jar","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063868295","display_name":"M\u00f2nica Roca i Aparici","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162941","display_name":"Barcelona Activa","ror":"https://ror.org/05c8abs18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210162941"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M\u00f2nica Roca i Aparici","raw_affiliation_strings":["isardSAT, S.L., Barcelona, Catalonia","isardSAT, S.L., Barcelona, Catalonia, Spain"],"affiliations":[{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia","institution_ids":["https://openalex.org/I4210162941"]},{"raw_affiliation_string":"isardSAT, S.L., Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I4210162941"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5093955696"],"corresponding_institution_ids":["https://openalex.org/I4210162941"],"apc_list":null,"apc_paid":null,"fwci":11.9211,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.97818869,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9993000030517578,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9993000030517578,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9991000294685364,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9962000250816345,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6677454710006714},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6617482900619507},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.556308925151825},{"id":"https://openalex.org/keywords/radar-altimeter","display_name":"Radar altimeter","score":0.5466279983520508},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4880298674106598},{"id":"https://openalex.org/keywords/space-based-radar","display_name":"Space-based radar","score":0.48115336894989014},{"id":"https://openalex.org/keywords/altimeter","display_name":"Altimeter","score":0.4791533350944519},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.46568456292152405},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45025622844696045},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4292660355567932},{"id":"https://openalex.org/keywords/omega","display_name":"Omega","score":0.41556161642074585},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.3502785861492157},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.33704519271850586},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19554683566093445},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10029259324073792}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6677454710006714},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6617482900619507},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.556308925151825},{"id":"https://openalex.org/C26760657","wikidata":"https://www.wikidata.org/wiki/Q1104030","display_name":"Radar altimeter","level":3,"score":0.5466279983520508},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4880298674106598},{"id":"https://openalex.org/C36067731","wikidata":"https://www.wikidata.org/wiki/Q7572176","display_name":"Space-based radar","level":5,"score":0.48115336894989014},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.4791533350944519},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.46568456292152405},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45025622844696045},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4292660355567932},{"id":"https://openalex.org/C2779557605","wikidata":"https://www.wikidata.org/wiki/Q9890","display_name":"Omega","level":2,"score":0.41556161642074585},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.3502785861492157},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.33704519271850586},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19554683566093445},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10029259324073792},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tgrs.2024.3367544","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3367544","pdf_url":"https://ieeexplore.ieee.org/ielx7/36/4358825/10440116.pdf","source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/405880","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/405880","pdf_url":"https://upcommons.upc.edu/bitstreams/03dbe9af-5838-4353-994e-6a97601e0b1a/download","source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:tudelft.nl:uuid:4386cd46-00c0-475a-bcfd-3e56380b9f3c","is_oa":true,"landing_page_url":"http://resolver.tudelft.nl/uuid:4386cd46-00c0-475a-bcfd-3e56380b9f3c","pdf_url":null,"source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"journal article"}],"best_oa_location":{"id":"doi:10.1109/tgrs.2024.3367544","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3367544","pdf_url":"https://ieeexplore.ieee.org/ielx7/36/4358825/10440116.pdf","source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1113556912","display_name":null,"funder_award_id":"2020","funder_id":"https://openalex.org/F4320334830","funder_display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca"}],"funders":[{"id":"https://openalex.org/F4320321012","display_name":"Technische Universiteit Delft","ror":"https://ror.org/02e2c7k09"},{"id":"https://openalex.org/F4320321505","display_name":"Generalitat de Catalunya","ror":"https://ror.org/01bg62x04"},{"id":"https://openalex.org/F4320334830","display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca","ror":"https://ror.org/01n4pqe45"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4391935182.pdf","grobid_xml":"https://content.openalex.org/works/W4391935182.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W1986383027","https://openalex.org/W2032366730","https://openalex.org/W2059739265","https://openalex.org/W2070728110","https://openalex.org/W2083356558","https://openalex.org/W2096254855","https://openalex.org/W2133067741","https://openalex.org/W2137419316","https://openalex.org/W2138331294","https://openalex.org/W2138863700","https://openalex.org/W2157664157","https://openalex.org/W2201394412","https://openalex.org/W2527159626","https://openalex.org/W2610616794","https://openalex.org/W2620701963","https://openalex.org/W2800215452","https://openalex.org/W2884959451","https://openalex.org/W2887541954","https://openalex.org/W2900463292","https://openalex.org/W2901367024","https://openalex.org/W2901981919","https://openalex.org/W2957071249","https://openalex.org/W2959259279","https://openalex.org/W2960208680","https://openalex.org/W2995282498","https://openalex.org/W3016858853","https://openalex.org/W3042580730","https://openalex.org/W3083589710","https://openalex.org/W3136924960","https://openalex.org/W3155582646","https://openalex.org/W3163721689","https://openalex.org/W3184468367","https://openalex.org/W3205004566","https://openalex.org/W4220773870","https://openalex.org/W4225394370","https://openalex.org/W4237351959","https://openalex.org/W4281745749","https://openalex.org/W4313038946","https://openalex.org/W4319993297","https://openalex.org/W4323304418","https://openalex.org/W6675074905","https://openalex.org/W6772157820","https://openalex.org/W6790972002"],"related_works":["https://openalex.org/W2057250073","https://openalex.org/W2103011224","https://openalex.org/W1895196404","https://openalex.org/W2118152362","https://openalex.org/W2154228978","https://openalex.org/W2121276230","https://openalex.org/W2058732972","https://openalex.org/W2142736189","https://openalex.org/W2137313801","https://openalex.org/W2113568991"],"abstract_inverted_index":{"The":[0,57],"two-dimensional":[1,44],"frequency-based":[2],"omega-K":[3,47],"method":[4],"is":[5,23,59],"known":[6],"to":[7],"be":[8],"a":[9,39,43],"suitable":[10],"algorithm":[11,48],"for":[12,50,88],"Fully-Focused":[13],"SAR":[14],"(FF-SAR)":[15],"radar":[16],"altimeter":[17],"processors,":[18],"as":[19,53,73],"its":[20],"computational":[21],"efficiency":[22],"much":[24,31],"higher":[25],"than":[26],"equivalent":[27],"time-based":[28],"alternatives":[29],"without":[30],"performance":[32],"degradation.":[33],"In":[34],"this":[35],"paper":[36],"we":[37],"provide":[38],"closed-form":[40],"description":[41],"of":[42,85],"frequency":[45],"domain":[46],"specific":[49],"instruments":[51],"such":[52,72],"Poseidon-4":[54],"onboard":[55],"Sentinel-6.":[56],"processor":[58,87],"validated":[60],"with":[61],"real":[62],"data":[63],"from":[64],"point":[65],"targets":[66],"and":[67,77],"over":[68],"open":[69],"ocean.":[70],"Applications":[71],"ocean":[74],"swell":[75],"retrieval":[76],"lead":[78],"detection":[79],"are":[80],"demonstrated,":[81],"showing":[82],"the":[83,86],"potentiality":[84],"future":[89],"operational":[90],"global-scale":[91],"products.":[92]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
