{"id":"https://openalex.org/W2020495262","doi":"https://doi.org/10.1109/igarss.2010.5650097","title":"SMOS L1 algorithms","display_name":"SMOS L1 algorithms","publication_year":2010,"publication_date":"2010-07-01","ids":{"openalex":"https://openalex.org/W2020495262","doi":"https://doi.org/10.1109/igarss.2010.5650097","mag":"2020495262"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2010.5650097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5650097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 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/A5003523225","display_name":"Antonio P. Gutierrez","orcid":"https://orcid.org/0000-0001-6809-1728"},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Antonio Gutierrez","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040019417","display_name":"Jos\u00e9 Barbosa","orcid":"https://orcid.org/0000-0002-9929-1703"},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jose Barbosa","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045080084","display_name":"Nuno Catarino","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Nuno Catarino","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102098049","display_name":"Rita Castro","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Rita Castro","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112284005","display_name":"Sofia Freitas","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Sofia Freitas","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066721752","display_name":"Bruno Manuel Lucas","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Bruno Lucas","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050113320","display_name":"Henrique Candeias","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Henrique Candeias","raw_affiliation_strings":["Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013304640","display_name":"Jos\u00e9 Freitas","orcid":"https://orcid.org/0000-0001-6628-2950"},"institutions":[{"id":"https://openalex.org/I188522409","display_name":"Critical Software (Portugal)","ror":"https://ror.org/03er2hr05","country_code":"PT","type":"company","lineage":["https://openalex.org/I188522409"]},{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jose Freitas","raw_affiliation_strings":["Command and Control, Critical Software S.A, Lisboa, Portugal","Ground Segment Systems, Deimos Engenharia, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Command and Control, Critical Software S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I188522409"]},{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041822861","display_name":"Marco Ventura","orcid":null},"institutions":[{"id":"https://openalex.org/I188522409","display_name":"Critical Software (Portugal)","ror":"https://ror.org/03er2hr05","country_code":"PT","type":"company","lineage":["https://openalex.org/I188522409"]},{"id":"https://openalex.org/I4210165582","display_name":"Deimos Engenharia (Portugal)","ror":"https://ror.org/05w59af50","country_code":"PT","type":"company","lineage":["https://openalex.org/I4210165582"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Marco Ventura","raw_affiliation_strings":["Command and Control, Critical Software S.A, Lisboa, Portugal","Ground Segment Systems, Deimos Engenharia, Lisboa, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Command and Control, Critical Software S.A, Lisboa, Portugal","institution_ids":["https://openalex.org/I188522409"]},{"raw_affiliation_string":"Ground Segment Systems, Deimos Engenharia, Lisboa, Portugal","institution_ids":["https://openalex.org/I4210165582"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029820353","display_name":"Michele Zundo","orcid":null},"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":"Michele Zundo","raw_affiliation_strings":["European Space Agency, Noordwijk, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"European Space Agency, Noordwijk, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3011,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.64934187,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"3154","last_page":"3157"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9919999837875366,"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/T10644","display_name":"Cryospheric studies and observations","score":0.9904999732971191,"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/computer-science","display_name":"Computer science","score":0.679373562335968},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6050267219543457},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5825634002685547},{"id":"https://openalex.org/keywords/geolocation","display_name":"Geolocation","score":0.5811779499053955},{"id":"https://openalex.org/keywords/microwave-imaging","display_name":"Microwave imaging","score":0.5584659576416016},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.47008776664733887},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4629688262939453},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.44536393880844116},{"id":"https://openalex.org/keywords/data-processing","display_name":"Data processing","score":0.4314674437046051},{"id":"https://openalex.org/keywords/brightness-temperature","display_name":"Brightness temperature","score":0.42124348878860474},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.2423551380634308},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.14554238319396973},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11798563599586487},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09621208906173706},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09028282761573792}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.679373562335968},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6050267219543457},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5825634002685547},{"id":"https://openalex.org/C22041718","wikidata":"https://www.wikidata.org/wiki/Q638949","display_name":"Geolocation","level":2,"score":0.5811779499053955},{"id":"https://openalex.org/C2779885931","wikidata":"https://www.wikidata.org/wiki/Q17010029","display_name":"Microwave imaging","level":3,"score":0.5584659576416016},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.47008776664733887},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4629688262939453},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.44536393880844116},{"id":"https://openalex.org/C138827492","wikidata":"https://www.wikidata.org/wiki/Q6661985","display_name":"Data processing","level":2,"score":0.4314674437046051},{"id":"https://openalex.org/C53802167","wikidata":"https://www.wikidata.org/wiki/Q4538627","display_name":"Brightness temperature","level":3,"score":0.42124348878860474},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.2423551380634308},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.14554238319396973},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11798563599586487},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09621208906173706},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09028282761573792},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2010.5650097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5650097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8299999833106995,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2026477570","https://openalex.org/W6657141849"],"related_works":["https://openalex.org/W2140822038","https://openalex.org/W1978078116","https://openalex.org/W2005230581","https://openalex.org/W2097128340","https://openalex.org/W2109355119","https://openalex.org/W2138007775","https://openalex.org/W2145900922","https://openalex.org/W2128740889","https://openalex.org/W3165919912","https://openalex.org/W3215215699"],"abstract_inverted_index":{"The":[0],"Level":[1,31,42,89,198],"1":[2,43,90],"Processing":[3],"of":[4,71,152,160],"SMOS":[5,36],"transforms":[6],"the":[7,30,41,48,68,77,88,102,113,137,153,161,171,186,210],"data":[8,114],"acquired":[9],"by":[10],"MIRAS":[11],"(Microwave":[12],"Imaging":[13],"Radiometer":[14],"with":[15,136],"Aperture":[16],"Synthesis)":[17],"into":[18],"geolocated":[19],"TOA":[20],"Brightness":[21],"Temperatures,":[22],"providing":[23],"observation":[24],"angles":[25],"and":[26,54,62,84,157,185,202,206],"additional":[27],"parameters":[28],"for":[29,50,80,177],"2":[32,199],"Processor.":[33],"Prior":[34],"to":[35,59,75,87,97,100,126,193,197],"launch":[37],"in":[38,144,191],"November":[39],"2009":[40],"Prototype":[44],"Processor":[45],"(L1PP)":[46],"lead":[47],"way":[49],"specifying":[51],"product":[52],"types":[53],"contents,":[55],"as":[56,58],"well":[57],"define,":[60],"implement":[61],"validate":[63],"all":[64,81],"processing":[65,155,164],"algorithms.":[66],"During":[67],"six":[69],"months":[70],"Commissioning,":[72],"L1PP":[73,118,121],"continued":[74],"be":[76,95],"testing":[78],"environment":[79],"new":[82],"algorithms":[83],"proposed":[85],"modifications":[86],"products.":[91],"Particular":[92],"emphasis":[93],"should":[94],"given":[96],"LIPP's":[98],"capability":[99],"produce":[101],"first":[103],"image":[104,180],"from":[105,209],"SMOS.":[106],"Within":[107],"less":[108],"than":[109],"three":[110],"hours":[111],"after":[112],"acquisition":[115],"at":[116],"ESAC,":[117],"generated":[119],"images.":[120],"has":[122],"also":[123],"been":[124,133],"tuned":[125],"identify":[127],"unforeseen":[128],"hardware":[129],"problems":[130],"that":[131],"have":[132],"spotted":[134],"only":[135],"satellite":[138],"in-orbit.":[139],"This":[140],"paper":[141],"is":[142],"divided":[143],"3":[145],"sections:":[146],"I)":[147],"a":[148],"high":[149],"level":[150],"description":[151],"LI":[154],"strategy":[156],"functional":[158],"blocks":[159],"processor":[162],"(called":[163],"units);":[165],"II)":[166],"important":[167],"results":[168],"obtained":[169],"during":[170],"In-Orbit":[172],"Commissioning":[173,211],"Phase":[174],"(IOCP),":[175],"namely":[176],"calibration":[178],"optimization,":[179],"reconstruction":[181],"improvement,":[182],"geolocation":[183],"assessment":[184],"impact":[187],"on":[188],"scientific":[189],"results,":[190],"particular,":[192],"insure":[194],"optimal":[195],"input":[196],"Soil":[200],"Moisture":[201],"Ocean":[203],"Salinity":[204],"retrieval;":[205],"III)":[207],"conclusions":[208],"Phase.":[212]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2016-06-24T00:00:00"}