{"id":"https://openalex.org/W4398251355","doi":"https://doi.org/10.3390/rs16111866","title":"Utilizing the Sentinel-6 Michael Freilich Equivalent Number of Looks for Sea State Applications","display_name":"Utilizing the Sentinel-6 Michael Freilich Equivalent Number of Looks for Sea State Applications","publication_year":2024,"publication_date":"2024-05-23","ids":{"openalex":"https://openalex.org/W4398251355","doi":"https://doi.org/10.3390/rs16111866"},"language":"en","primary_location":{"id":"doi:10.3390/rs16111866","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16111866","pdf_url":"https://www.mdpi.com/2072-4292/16/11/1866/pdf?version=1716473181","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/2072-4292/16/11/1866/pdf?version=1716473181","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009759485","display_name":"Lisa Recchia","orcid":"https://orcid.org/0000-0003-2488-6283"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lisa Recchia","raw_affiliation_strings":["Aresys, 20132 Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Aresys, 20132 Milan, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044095745","display_name":"Pietro Guccione","orcid":"https://orcid.org/0000-0002-7126-0040"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Pietro Guccione","raw_affiliation_strings":["Aresys, 20132 Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Aresys, 20132 Milan, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075323166","display_name":"Thomas Moreau","orcid":"https://orcid.org/0000-0002-1523-3419"},"institutions":[{"id":"https://openalex.org/I4210095365","display_name":"Collecte Localisation Satellites (France)","ror":"https://ror.org/00q7mnz48","country_code":"FR","type":"company","lineage":["https://openalex.org/I2799535048","https://openalex.org/I4210095365"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Thomas Moreau","raw_affiliation_strings":["CLS, 31000 Toulouse, France"],"affiliations":[{"raw_affiliation_string":"CLS, 31000 Toulouse, France","institution_ids":["https://openalex.org/I4210095365"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055769454","display_name":"Craig Donlon","orcid":"https://orcid.org/0000-0002-7359-0115"},"institutions":[{"id":"https://openalex.org/I44377176","display_name":"European Space Research and Technology Centre","ror":"https://ror.org/03h3jqn23","country_code":"NL","type":"government","lineage":["https://openalex.org/I2801994115","https://openalex.org/I44377176"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Craig Donlon","raw_affiliation_strings":["European Space Research and Technology Centre (ESTEC), European Space Agency (ESA), 2201 BL Noordwijk, The Netherlands"],"affiliations":[{"raw_affiliation_string":"European Space Research and Technology Centre (ESTEC), European Space Agency (ESA), 2201 BL Noordwijk, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5044095745"],"corresponding_institution_ids":[],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.0263,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.73614399,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"16","issue":"11","first_page":"1866","last_page":"1866"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11698","display_name":"Underwater Acoustics Research","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/waveform","display_name":"Waveform","score":0.5753519535064697},{"id":"https://openalex.org/keywords/altimeter","display_name":"Altimeter","score":0.551964282989502},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.5364096760749817},{"id":"https://openalex.org/keywords/sea-state","display_name":"Sea state","score":0.46420130133628845},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4610006809234619},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.44417721033096313},{"id":"https://openalex.org/keywords/pulse","display_name":"Pulse (music)","score":0.4290142059326172},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3521791696548462},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3435823917388916},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3404507040977478},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3140154182910919},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18905144929885864},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.0866098701953888}],"concepts":[{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5753519535064697},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.551964282989502},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.5364096760749817},{"id":"https://openalex.org/C2781147146","wikidata":"https://www.wikidata.org/wiki/Q1569795","display_name":"Sea state","level":2,"score":0.46420130133628845},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4610006809234619},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.44417721033096313},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.4290142059326172},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3521791696548462},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3435823917388916},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3404507040977478},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3140154182910919},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18905144929885864},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0866098701953888},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs16111866","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16111866","pdf_url":"https://www.mdpi.com/2072-4292/16/11/1866/pdf?version=1716473181","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:d71077191f2d45d4b38635af42ddea41","is_oa":true,"landing_page_url":"https://doaj.org/article/d71077191f2d45d4b38635af42ddea41","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 16, Iss 11, p 1866 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs16111866","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16111866","pdf_url":"https://www.mdpi.com/2072-4292/16/11/1866/pdf?version=1716473181","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":[{"display_name":"Life below water","score":0.8700000047683716,"id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G8243284799","display_name":null,"funder_award_id":"ESA-EOPSM-S6-SOW-3774","funder_id":"https://openalex.org/F4320318240","funder_display_name":"European Space Agency"}],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4398251355.pdf"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W2058351588","https://openalex.org/W2099671695","https://openalex.org/W2100517149","https://openalex.org/W2133098820","https://openalex.org/W2138331294","https://openalex.org/W2155182772","https://openalex.org/W2162338442","https://openalex.org/W2738373228","https://openalex.org/W2783779039","https://openalex.org/W2798922101","https://openalex.org/W2900109500","https://openalex.org/W3014334566","https://openalex.org/W3136924960","https://openalex.org/W4384944926","https://openalex.org/W4388335185"],"related_works":["https://openalex.org/W2072045507","https://openalex.org/W1932401576","https://openalex.org/W2135507353","https://openalex.org/W296138747","https://openalex.org/W2139069683","https://openalex.org/W2376788252","https://openalex.org/W2073973963","https://openalex.org/W2155297530","https://openalex.org/W2115941776","https://openalex.org/W2772219153"],"abstract_inverted_index":{"Sentinel-6":[0],"Michael":[1],"Freilich":[2],"(S6-MF)":[3],"is":[4,81,102,131,150,175,189,199,219],"the":[5,20,38,41,46,69,85,100,107,125,129,137,141,144,147,155,166,180,215],"first":[6],"altimeter":[7],"operating":[8,55],"in":[9,143,152,183],"a":[10,28,121,192],"continuous":[11],"high-rate":[12],"pulse":[13,29,90,163],"mode,":[14],"i.e.,":[15],"interleaved":[16],"mode.":[17],"This":[18,54],"ensures":[19],"generation":[21],"of":[22,33,48,61,75,88,110,120,124,146,154,159,194],"low-resolution":[23,185],"(LR)":[24],"mode":[25,56,186],"measurements":[26],"with":[27,66,106,221],"repetition":[30],"frequency":[31],"(PRF)":[32],"\u223c9":[34],"kHz":[35,157],"(variable":[36],"along":[37],"orbit)":[39],"for":[40,94,201,207],"Ku-band":[42],"as":[43,45],"well":[44],"processing":[47,173,218],"high-resolution":[49],"(HR)":[50],"echoes":[51,74,93],"on":[52,128,136,140,171],"ground.":[53],"provides":[57],"an":[58,169],"elevated":[59],"number":[60,109],"highly":[62],"correlated":[63,73],"single":[64],"looks":[65,111],"respect":[67],"to":[68,83],"fewer":[70],"number,":[71],"weakly":[72],"Jason-3":[76],"altimeter.":[77],"A":[78],"theoretical":[79],"model":[80,101],"exploited":[82],"envisage":[84],"correlation":[86],"properties":[87,127],"S6-MF":[89,184],"limited":[91],"waveform":[92],"different":[95],"sea-state":[96],"conditions;":[97],"after":[98],"that,":[99],"validated":[103],"by":[104],"comparison":[105],"equivalent":[108],"(ENL)":[112],"empirically":[113],"estimated":[114],"from":[115],"real":[116],"data.":[117],"The":[118],"existence":[119],"significant":[122],"dependence":[123],"statistical":[126],"range":[130],"verified,":[132],"and":[133,139,203],"its":[134],"impact":[135],"precision":[138],"accuracy":[142],"estimation":[145],"geophysical":[148],"parameters":[149],"assessed":[151],"case":[153],"9":[156],"PRF":[158],"S6-MF.":[160],"By":[161],"applying":[162],"decimation":[164],"before":[165],"multilook":[167],"processing,":[168],"investigation":[170],"new":[172],"techniques":[174],"performed,":[176],"aimed":[177],"at":[178,209],"exploiting":[179],"higher":[181],"ENL":[182],"waveforms.":[187],"It":[188],"shown":[190],"that":[191],"bias":[193],"less":[195],"than":[196],"0.4":[197],"cm":[198,206],"found":[200],"SSH":[202],"about":[204],"1.5":[205],"SWH":[208,210],"=":[211],"2":[212],"m":[213],"when":[214],"decimated":[216],"waveforms":[217],"compared":[220],"full":[222],"high-PRF":[223],"processing.":[224]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}