{"id":"https://openalex.org/W2096625245","doi":"https://doi.org/10.1109/tgrs.2008.916259","title":"The Flat Target Transformation","display_name":"The Flat Target Transformation","publication_year":2008,"publication_date":"2008-02-29","ids":{"openalex":"https://openalex.org/W2096625245","doi":"https://doi.org/10.1109/tgrs.2008.916259","mag":"2096625245"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.916259","pdf_url":null,"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_indexed_in_scopus":true,"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":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5061252892","display_name":"Manuel Mart\u00edn\u2010Neira","orcid":"https://orcid.org/0000-0001-7626-7033"},"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":"M. Martin-Neira","raw_affiliation_strings":["Eur. Space Res. & Technol. Centre (ESTEC), Noordwijk"],"affiliations":[{"raw_affiliation_string":"Eur. Space Res. & Technol. Centre (ESTEC), Noordwijk","institution_ids":["https://openalex.org/I44377176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062513473","display_name":"Martin S\u00fcess","orcid":"https://orcid.org/0000-0002-6333-8266"},"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":"M. Suess","raw_affiliation_strings":["Eur. Space Res. & Technol. Centre (ESTEC), Noordwijk"],"affiliations":[{"raw_affiliation_string":"Eur. Space Res. & Technol. Centre (ESTEC), Noordwijk","institution_ids":["https://openalex.org/I44377176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081845905","display_name":"Juha Kainulainen","orcid":"https://orcid.org/0000-0002-3947-0777"},"institutions":[],"countries":["FI"],"is_corresponding":false,"raw_author_name":"J. Kainulainen","raw_affiliation_strings":["Laboratory of Space Technology, Helsinki University of Technology, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Laboratory of Space Technology, Helsinki University of Technology, Espoo, Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061847928","display_name":"F. Mart\u00edn-Porqueras","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":"F. Martin-Porqueras","raw_affiliation_strings":["European Space Research and Technology Center, Noordwijk, Netherlands"],"affiliations":[{"raw_affiliation_string":"European Space Research and Technology Center, Noordwijk, Netherlands","institution_ids":["https://openalex.org/I44377176"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.274,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":79,"citation_normalized_percentile":{"value":0.905826,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"46","issue":"3","first_page":"613","last_page":"620"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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":1.0,"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":0.9989,"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/T11946","display_name":"Antenna Design and Optimization","score":0.997,"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/orbit","display_name":"Orbit (dynamics)","score":0.6326905},{"id":"https://openalex.org/keywords/microwave-imaging","display_name":"Microwave Imaging","score":0.5619455},{"id":"https://openalex.org/keywords/orbit-determination","display_name":"Orbit Determination","score":0.45421186},{"id":"https://openalex.org/keywords/radiometry","display_name":"Radiometry","score":0.42410824}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6788116},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.6326905},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.60152197},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5995506},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.57197624},{"id":"https://openalex.org/C2779885931","wikidata":"https://www.wikidata.org/wiki/Q17010029","display_name":"Microwave imaging","level":3,"score":0.5619455},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.4936944},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.49131814},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.49049065},{"id":"https://openalex.org/C107768556","wikidata":"https://www.wikidata.org/wiki/Q302660","display_name":"Orbit determination","level":3,"score":0.45421186},{"id":"https://openalex.org/C87456703","wikidata":"https://www.wikidata.org/wiki/Q247760","display_name":"Radiometry","level":2,"score":0.42410824},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.2984173},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.27147382},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22556901},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18438584},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.10239965},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.10002032},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.09781325},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.916259","pdf_url":null,"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_indexed_in_scopus":true,"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":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":12,"referenced_works":["https://openalex.org/W1633529777","https://openalex.org/W1968944821","https://openalex.org/W2014163172","https://openalex.org/W2061556015","https://openalex.org/W2099060920","https://openalex.org/W2115817712","https://openalex.org/W2123350397","https://openalex.org/W2129509174","https://openalex.org/W2155459956","https://openalex.org/W2157349060","https://openalex.org/W2293673475","https://openalex.org/W3023201122"],"related_works":["https://openalex.org/W751870123","https://openalex.org/W4286279395","https://openalex.org/W4251278052","https://openalex.org/W2902671820","https://openalex.org/W2511456285","https://openalex.org/W2340112247","https://openalex.org/W2138007775","https://openalex.org/W2113351631","https://openalex.org/W2097128340","https://openalex.org/W2063863367"],"abstract_inverted_index":{"This":[0,125],"paper":[1],"describes":[2,70],"a":[3,88,113],"practical":[4],"method":[5,31,97],"to":[6,56,92,99],"calibrate":[7,100],"the":[8,23,27,30,33,62,65,93,104,118,122,132],"microwave":[9],"imaging":[10,102],"radiometer":[11],"with":[12,22,43],"aperture":[13],"synthesis":[14],"(MIRAS)":[15],"in":[16],"orbit":[17],"using":[18],"external":[19],"targets.":[20],"Together":[21],"in-orbit":[24,76],"validation":[25,79],"of":[26,35,64],"antenna":[28,50],"patterns,":[29],"ensures":[32],"generation":[34],"valid":[36],"and":[37,78],"calibrated":[38],"visibilities":[39],"from":[40,46],"raw":[41],"measurements":[42],"minimum":[44],"impact":[45],"instrument":[47],"errors,":[48],"particularly":[49],"errors.":[51],"It":[52],"has":[53,129],"been":[54,130],"possible":[55],"devise":[57],"this":[58,85],"strategy":[59],"only":[60],"after":[61],"derivation":[63],"Corbella":[66],"equation,":[67],"which":[68],"correctly":[69],"how":[71],"MIRAS":[72],"works.":[73],"The":[74],"proposed":[75],"calibration":[77],"approach":[80],"is":[81,108,126],"fully":[82],"based":[83,110],"on":[84,111],"equation.":[86],"In":[87],"markedly":[89],"different":[90],"way":[91],"point":[94],"target":[95,115,134],"response":[96],"used":[98],"other":[101],"systems,":[103],"technique":[105],"put":[106],"forward":[107],"essentially":[109],"measuring":[112],"ldquoflatrdquo":[114],"such":[116],"as":[117],"cold":[119],"sky":[120],"near":[121],"Galactic":[123],"poles.":[124],"why":[127],"it":[128],"called":[131],"ldquoflat":[133],"transformationrdquo.":[135]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2096625245","counts_by_year":[{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":12}],"updated_date":"2025-04-16T09:32:44.979599","created_date":"2016-06-24"}