{"id":"https://openalex.org/W2152008538","doi":"https://doi.org/10.1109/igarss.2009.5418190","title":"Delay-Doppler Maps study over ocean, land and ice from space","display_name":"Delay-Doppler Maps study over ocean, land and ice from space","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2152008538","doi":"https://doi.org/10.1109/igarss.2009.5418190","mag":"2152008538"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5418190","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5418190","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"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/A5061435585","display_name":"P. Ferre-Lillo","orcid":null},"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":"P. Ferre-Lillo","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036058658","display_name":"Nereida Rodriguez-Alvarez","orcid":"https://orcid.org/0000-0002-9382-0686"},"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":"N. Rodriguez-Alvarez","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071403178","display_name":"Xavier Bosch-Lluis","orcid":"https://orcid.org/0000-0002-7608-0559"},"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":"X. Bosch-Lluis","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018755444","display_name":"E. Valencia","orcid":null},"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":"E. Valencia","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077302112","display_name":"J. F. Marchan-Hernandez","orcid":null},"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":"J.F. Marchan-Hernandez","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073492252","display_name":"Adriano Camps","orcid":"https://orcid.org/0000-0002-9514-4992"},"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":"I. Ramos-Perez A. Camps","raw_affiliation_strings":["Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department TSC, D3, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.388,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.82539118,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"17","issue":null,"first_page":"II","last_page":"722"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9993000030517578,"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":0.9993000030517578,"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/T11234","display_name":"Precipitation Measurement and Analysis","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"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9937000274658203,"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/signal","display_name":"SIGNAL (programming language)","score":0.6955268979072571},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.6294721364974976},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.5522353053092957},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5384509563446045},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5238958597183228},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.5167014598846436},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5145794749259949},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.47722867131233215},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.46832922101020813},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4518073797225952},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4394785761833191},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.42484748363494873},{"id":"https://openalex.org/keywords/time-delay-and-integration","display_name":"Time delay and integration","score":0.4158303141593933},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.27413785457611084},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.17617261409759521},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14367935061454773},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14052432775497437},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.13257256150245667}],"concepts":[{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.6955268979072571},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.6294721364974976},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.5522353053092957},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5384509563446045},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5238958597183228},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5167014598846436},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5145794749259949},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.47722867131233215},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.46832922101020813},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4518073797225952},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4394785761833191},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.42484748363494873},{"id":"https://openalex.org/C96566525","wikidata":"https://www.wikidata.org/wiki/Q7805282","display_name":"Time delay and integration","level":2,"score":0.4158303141593933},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.27413785457611084},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.17617261409759521},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14367935061454773},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14052432775497437},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.13257256150245667},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"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/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2009.5418190","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5418190","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2003488080","https://openalex.org/W2012298856","https://openalex.org/W2037326543","https://openalex.org/W2052540254","https://openalex.org/W2103598124","https://openalex.org/W2104461599","https://openalex.org/W2113338915","https://openalex.org/W2128945318","https://openalex.org/W2129204934","https://openalex.org/W2132077674","https://openalex.org/W2141156448","https://openalex.org/W2951521787","https://openalex.org/W2979562478","https://openalex.org/W3014764067","https://openalex.org/W6775859859","https://openalex.org/W6844182083","https://openalex.org/W7061811784"],"related_works":["https://openalex.org/W2394004323","https://openalex.org/W2398764543","https://openalex.org/W2027335291","https://openalex.org/W4210328553","https://openalex.org/W1980417906","https://openalex.org/W1892675750","https://openalex.org/W2005307089","https://openalex.org/W1987834901","https://openalex.org/W2023458332","https://openalex.org/W3177144118"],"abstract_inverted_index":{"This":[0],"work":[1],"analyzes":[2],"the":[3,6,12,19,24,37,68,71,74,79,83,91,93,109],"properties":[4],"of":[5,23,40,70,82,90,102,108],"Delay-Doppler":[7],"Maps":[8],"(DDM)":[9],"derived":[10],"from":[11,18],"limited":[13],"experimental":[14],"data":[15],"freely":[16],"available":[17],"UK-DMC.":[20],"The":[21],"quality":[22,55],"received":[25],"signal":[26],"over":[27,57],"ocean,":[28],"land":[29],"and":[30,85,95,99],"ice":[31],"is":[32,61],"evaluated.":[33],"In":[34],"this":[35],"study":[36],"minimum":[38],"number":[39],"incoherent":[41,75,110],"integrations":[42],"after":[43],"1":[44],"ms":[45],"basic":[46],"coherent":[47],"integration":[48,76,111],"that":[49],"are":[50],"needed":[51],"to":[52],"obtain":[53],"a":[54,106],"DDM":[56,72],"each":[58],"surface":[59],"type":[60],"determined":[62],"using":[63],"three":[64],"different":[65],"techniques:":[66],"studying":[67],"volume":[69],"against":[73],"time,":[77],"observing":[78],"signal-to-noise":[80],"ratio":[81],"signal,":[84],"finally":[86],"analyzing":[87],"two":[88],"pixels":[89],"DDM,":[92],"maximum":[94],"another":[96],"one":[97],"noisier,":[98],"performing":[100],"histograms":[101],"these":[103],"points":[104],"as":[105],"function":[107],"time.":[112]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}