{"id":"https://openalex.org/W1966061303","doi":"https://doi.org/10.1117/12.898646","title":"Sentinel-1A and Sentinel-1B CSAR status","display_name":"Sentinel-1A and Sentinel-1B CSAR status","publication_year":2011,"publication_date":"2011-10-06","ids":{"openalex":"https://openalex.org/W1966061303","doi":"https://doi.org/10.1117/12.898646","mag":"1966061303"},"language":"hu","primary_location":{"id":"doi:10.1117/12.898646","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.898646","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","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/A5088622485","display_name":"P. Snoeij","orcid":"https://orcid.org/0000-0002-0374-7076"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Paul Snoeij","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075350982","display_name":"Mike Brown","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mike Brown","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021797446","display_name":"Malcolm Davidson","orcid":"https://orcid.org/0000-0002-2887-8603"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Malcolm Davidson","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080088842","display_name":"Bj\u00f6rn Rommen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bjorn Rommen","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086010920","display_name":"Nicolas Floury","orcid":"https://orcid.org/0000-0001-7380-8412"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nicolas Floury","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110524593","display_name":"Dirk Geudtner","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dirk Geudtner","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014135696","display_name":"Ram\u00f3n Torres","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ramon Torres","raw_affiliation_strings":["European Space Agency (Netherlands)","European Space Agency, Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"European Space Agency (Netherlands)","institution_ids":[]},{"raw_affiliation_string":"European Space Agency, Netherlands#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5088622485"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8559,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.78731812,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8179","issue":null,"first_page":"817902","last_page":"817902"},"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":0.9991000294685364,"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"}},"topics":[{"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/T10406","display_name":"Planetary Science and Exploration","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"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/timeline","display_name":"Timeline","score":0.8029003143310547},{"id":"https://openalex.org/keywords/earth-observation","display_name":"Earth observation","score":0.6436935663223267},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.5575963854789734},{"id":"https://openalex.org/keywords/geolocation","display_name":"Geolocation","score":0.5381020307540894},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5271976590156555},{"id":"https://openalex.org/keywords/satellite-constellation","display_name":"Satellite constellation","score":0.47960007190704346},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.47875040769577026},{"id":"https://openalex.org/keywords/procurement","display_name":"Procurement","score":0.4319707155227661},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.36215153336524963},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3349207639694214},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.21418121457099915},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.19745364785194397},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16429895162582397},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.12803080677986145},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09747719764709473}],"concepts":[{"id":"https://openalex.org/C4438859","wikidata":"https://www.wikidata.org/wiki/Q186117","display_name":"Timeline","level":2,"score":0.8029003143310547},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.6436935663223267},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.5575963854789734},{"id":"https://openalex.org/C22041718","wikidata":"https://www.wikidata.org/wiki/Q638949","display_name":"Geolocation","level":2,"score":0.5381020307540894},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5271976590156555},{"id":"https://openalex.org/C2779784338","wikidata":"https://www.wikidata.org/wiki/Q967145","display_name":"Satellite constellation","level":3,"score":0.47960007190704346},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.47875040769577026},{"id":"https://openalex.org/C201650216","wikidata":"https://www.wikidata.org/wiki/Q829492","display_name":"Procurement","level":2,"score":0.4319707155227661},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.36215153336524963},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3349207639694214},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.21418121457099915},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.19745364785194397},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16429895162582397},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.12803080677986145},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09747719764709473},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.898646","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.898646","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2156606791"],"related_works":["https://openalex.org/W2385787340","https://openalex.org/W2394459062","https://openalex.org/W2392670398","https://openalex.org/W4221033466","https://openalex.org/W4224313018","https://openalex.org/W2355913771","https://openalex.org/W2560673277","https://openalex.org/W4225291832","https://openalex.org/W3209202847","https://openalex.org/W2377622301"],"abstract_inverted_index":{"The":[0,26,100,120,140,156],"ESA":[1,55],"Sentinels":[2,63],"constitute":[3],"the":[4,12,17,51,59,77,86,103,111,114,118,123,143,151,183,187,201,207,212],"first":[5],"series":[6],"of":[7,16,50,61,73,102,113,117,122,142,153,179,206,221],"operational":[8,98,202],"satellites":[9,75,178],"responding":[10],"to":[11,84,92,137,148,194],"Earth":[13],"Observation":[14],"needs":[15],"EU-ESA":[18],"Global":[19],"Monitoring":[20],"for":[21,158,176,186,226],"Environment":[22],"and":[23,33,88,91,96,161,203,228],"Security":[24],"programme.":[25],"GMES":[27,52,190],"space":[28,35,53,144],"component":[29],"relies":[30],"on":[31,40,70,211],"existing":[32],"planned":[34,147],"assets":[36],"as":[37,39,48,128],"well":[38],"new":[41],"complementary":[42],"developments":[43],"by":[44],"ESA.":[45],"In":[46],"particular,":[47],"part":[49],"component,":[54],"is":[56,68,106,126,146,166,193],"currently":[57],"undertaking":[58],"development":[60],"3":[62],"mission":[64,134,209,224],"families.":[65],"Each":[66],"Sentinel":[67,159],"based":[69,210],"a":[71,94,174,222],"constellation":[72],"2":[74],"in":[76,150,173],"same":[78],"orbital":[79],"plane.":[80],"This":[81,197],"configuration":[82],"allows":[83],"fulfil":[85],"revisit":[87],"coverage":[89],"requirements":[90],"provide":[93,192],"robust":[95],"affordable":[97],"service.":[99],"launch":[101,112],"2nd":[104],"satellite":[105,125],"scheduled":[107],"18":[108],"months":[109],"after":[110],"1st":[115],"spacecraft":[116],"constellation.":[119],"lifetime":[121],"individual":[124],"specified":[127],"7":[129],"years,":[130],"with":[131],"consumables":[132],"allowing":[133],"extension":[135],"up":[136],"12":[138],"years.":[139,155],"lifecycle":[141],"segment":[145],"be":[149,195,232],"order":[152],"15-20":[154],"strategy":[157],"procurement":[160],"replacement":[162],"over":[163],"this":[164],"period":[165],"being":[167],"elaborated,":[168],"but":[169],"will":[170,191,199,231],"likely":[171],"result":[172],"need":[175],"4-5":[177],"each":[180,227],"type":[181],"if":[182],"desired":[184],"robustness":[185],"service":[188],"that":[189],"achieved.":[196],"paper":[198],"describe":[200],"observational":[204],"capabilities":[205],"Sentinel-1":[208],"user":[213],"requirements,":[214],"including":[215],"potential":[216],"emergency":[217],"requests.":[218],"An":[219],"example":[220],"pre-defined":[223],"timeline":[225],"every":[229],"cycle":[230],"given.":[233]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}