{"id":"https://openalex.org/W2794808168","doi":"https://doi.org/10.3390/rs10040523","title":"Geometric Accuracy of Sentinel-1A and 1B Derived from SAR Raw Data with GPS Surveyed Corner Reflector Positions","display_name":"Geometric Accuracy of Sentinel-1A and 1B Derived from SAR Raw Data with GPS Surveyed Corner Reflector Positions","publication_year":2018,"publication_date":"2018-03-27","ids":{"openalex":"https://openalex.org/W2794808168","doi":"https://doi.org/10.3390/rs10040523","mag":"2794808168"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10040523","pdf_url":"https://www.mdpi.com/2072-4292/10/4/523/pdf?version=1522137898","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},"type":"article","type_crossref":"journal-article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/10/4/523/pdf?version=1522137898","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063240837","display_name":"Kersten Schmidt","orcid":"https://orcid.org/0000-0001-7896-908X"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Kersten Schmidt","raw_affiliation_strings":["Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006524726","display_name":"Jens Reimann","orcid":"https://orcid.org/0000-0002-0650-9073"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jens Reimann","raw_affiliation_strings":["Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000103312","display_name":"N\u00faria Tous Ramon","orcid":"https://orcid.org/0000-0002-3532-3139"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"N\u00faria Tous Ramon","raw_affiliation_strings":["Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014711926","display_name":"Marco Schwerdt","orcid":"https://orcid.org/0000-0002-0045-3726"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marco Schwerdt","raw_affiliation_strings":["Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5063240837"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707,"provenance":"doaj"},"apc_paid":{"value":747,"currency":"EUR","value_usd":805,"provenance":"openapc"},"fwci":1.789,"has_fulltext":true,"fulltext_origin":"pdf","cited_by_count":14,"citation_normalized_percentile":{"value":0.872221,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":89},"biblio":{"volume":"10","issue":"4","first_page":"523","last_page":"523"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9999,"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":0.9999,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9825,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/corner-reflector","display_name":"Corner reflector","score":0.6519502},{"id":"https://openalex.org/keywords/phase-center","display_name":"Phase center","score":0.53192437}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7589498},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.74326354},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6784984},{"id":"https://openalex.org/C117818321","wikidata":"https://www.wikidata.org/wiki/Q1249999","display_name":"Corner reflector","level":2,"score":0.6519502},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5319484},{"id":"https://openalex.org/C7615733","wikidata":"https://www.wikidata.org/wiki/Q2085398","display_name":"Phase center","level":3,"score":0.53192437},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.53102577},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.52547914},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.4452346},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.41783696},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4137723},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.19982216},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15244493},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15164658},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09119734},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10040523","pdf_url":"https://www.mdpi.com/2072-4292/10/4/523/pdf?version=1522137898","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},{"is_oa":false,"landing_page_url":"https://doaj.org/article/d48d7ccfbefe43a081806559a3506d00","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"https://elib.dlr.de/117899/1/remotesensing-10-00523.pdf","pdf_url":"https://elib.dlr.de/117899/1/remotesensing-10-00523.pdf","source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":["Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10040523","pdf_url":"https://www.mdpi.com/2072-4292/10/4/523/pdf?version=1522137898","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},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":20,"referenced_works":["https://openalex.org/W1558019330","https://openalex.org/W1984670836","https://openalex.org/W2007695941","https://openalex.org/W2043957208","https://openalex.org/W2057517948","https://openalex.org/W2060257364","https://openalex.org/W2060834220","https://openalex.org/W2061956513","https://openalex.org/W2079299474","https://openalex.org/W2123920486","https://openalex.org/W2156606791","https://openalex.org/W2157664157","https://openalex.org/W2163512833","https://openalex.org/W2168987504","https://openalex.org/W2557257226","https://openalex.org/W2579016686","https://openalex.org/W2588248134","https://openalex.org/W2617848287","https://openalex.org/W2620914127","https://openalex.org/W2624698741"],"related_works":["https://openalex.org/W4230438217","https://openalex.org/W3201401734","https://openalex.org/W2462749609","https://openalex.org/W2333473644","https://openalex.org/W2182833023","https://openalex.org/W2140990782","https://openalex.org/W2125689878","https://openalex.org/W2068843146","https://openalex.org/W2064970578","https://openalex.org/W2031331230"],"abstract_inverted_index":{"The":[0,62,108,144,172],"geometric":[1,83],"accuracy":[2,84,176,200],"of":[3,57,73,85,115,148,170],"synthetic":[4],"aperture":[5],"radar":[6],"(SAR)":[7],"data":[8,39,76,142,197],"is":[9,46,93,126,155,182,201,213],"usually":[10],"derived":[11,94,177],"from":[12,35,49,138],"level-1":[13,121,195],"products":[14,122],"using":[15,100],"accurately":[16],"surveyed":[17,105],"corner":[18,101],"reflector":[19],"positions.":[20,107],"This":[21,132],"paper":[22],"introduces":[23],"a":[24],"novel":[25],"approach":[26],"that":[27,111],"derives":[28],"the":[29,43,55,58,82,112,158,161,167,179,187,192,204,209,219],"range":[30,69,146,205],"delay":[31],"and":[32,70,91,166],"azimuth":[33,71,113,210],"shift":[34],"acquired":[36],"SAR":[37,50,75,88,141,162,196],"raw":[38],"(level-0":[40],"products).":[41],"Therefore,":[42],"propagation":[44],"path":[45],"completely":[47],"retrieved":[48],"pulse":[51,66],"transmission":[52],"up":[53],"to":[54,128,191],"reception":[56],"point":[59],"target\u2019s":[60],"backscatter.":[61],"procedure":[63],"includes":[64],"simple":[65],"compression":[67],"in":[68,120,153,203],"instead":[72],"full":[74,193],"processing.":[77,143],"By":[78],"applying":[79],"this":[80,199],"method,":[81],"ESA\u2019s":[86],"Sentinel-1":[87,140],"satellites":[89],"(Sentinel-1A":[90],"Sentinel-1B)":[92],"for":[95,123,186,208],"each":[96],"satellite":[97],"overpass":[98],"by":[99,215],"reflectors":[102],"with":[103,178,218],"precisely":[104],"GPS":[106],"results":[109],"show":[110],"bias":[114,136,147],"about":[116,129,149,183,216],"2":[117],"m":[118],"found":[119],"Stripmap":[124],"acquisitions":[125],"reduced":[127],"15":[130],"cm.":[131],"indicates":[133],"an":[134],"artificial":[135],"arising":[137],"operational":[139],"remaining":[145],"1.0":[150],"m,":[151],"observed":[152],"L0-products,":[154],"interpreted":[156],"as":[157],"offset":[159],"between":[160],"antenna":[163],"phase":[164],"center":[165,169],"spacecraft\u2019s":[168],"gravity.":[171],"relative":[173],"pixel":[174],"localization":[175],"proposed":[180,220],"method":[181],"12":[184],"cm":[185],"evaluated":[188],"acquisitions.":[189],"Compared":[190],"processed":[194],"products,":[198],"similar":[202],"direction,":[206,211],"but,":[207],"it":[212],"improved":[214],"50%":[217],"method.":[221]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2794808168","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1}],"updated_date":"2025-01-07T21:53:39.681001","created_date":"2018-04-06"}