{"id":"https://openalex.org/W1993253332","doi":"https://doi.org/10.1109/igarss.2012.6350527","title":"Determination of vertical antenna pattern of high-resolution airborne SAR and radiometric calibration","display_name":"Determination of vertical antenna pattern of high-resolution airborne SAR and radiometric calibration","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W1993253332","doi":"https://doi.org/10.1109/igarss.2012.6350527","mag":"1993253332"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6350527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6350527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100434861","display_name":"Qing Wang","orcid":"https://orcid.org/0000-0002-8190-8533"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qing Wang","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021862144","display_name":"Qiming Zeng","orcid":"https://orcid.org/0000-0003-1020-064X"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiming Zeng","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102920964","display_name":"Jian Jiao","orcid":"https://orcid.org/0000-0002-8131-9480"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Jiao","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026434724","display_name":"Xiao Zhou","orcid":"https://orcid.org/0000-0002-3105-8390"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao Zhou","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053446503","display_name":"Cunren Liang","orcid":"https://orcid.org/0000-0003-3938-426X"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cunren Liang","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061122409","display_name":"Sheng Gao","orcid":"https://orcid.org/0000-0002-4227-3547"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Gao","raw_affiliation_strings":["Institute of Remote Sensing and GIS, Peking University, Beijing, China","Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing & GIS, Peking University, Beijing, China, 100871","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4022","last_page":"4025"},"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":0.9994999766349792,"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":0.9994999766349792,"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":0.9954000115394592,"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":0.9879000186920166,"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/calibration","display_name":"Calibration","score":0.7672289609909058},{"id":"https://openalex.org/keywords/nadir","display_name":"Nadir","score":0.7351032495498657},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6639613509178162},{"id":"https://openalex.org/keywords/corner-reflector","display_name":"Corner reflector","score":0.6559567451477051},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.6209691166877747},{"id":"https://openalex.org/keywords/radiometric-calibration","display_name":"Radiometric calibration","score":0.6121088266372681},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4423840641975403},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.44019100069999695},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4218313694000244},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"Radiation pattern","score":0.41738489270210266},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3396397829055786},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2610580325126648},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22114446759223938},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17553061246871948},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.1319287121295929},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09400904178619385}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7672289609909058},{"id":"https://openalex.org/C88575799","wikidata":"https://www.wikidata.org/wiki/Q145825","display_name":"Nadir","level":3,"score":0.7351032495498657},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6639613509178162},{"id":"https://openalex.org/C117818321","wikidata":"https://www.wikidata.org/wiki/Q1249999","display_name":"Corner reflector","level":2,"score":0.6559567451477051},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6209691166877747},{"id":"https://openalex.org/C2778522173","wikidata":"https://www.wikidata.org/wiki/Q7281293","display_name":"Radiometric calibration","level":3,"score":0.6121088266372681},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4423840641975403},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.44019100069999695},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4218313694000244},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.41738489270210266},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3396397829055786},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2610580325126648},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22114446759223938},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17553061246871948},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.1319287121295929},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09400904178619385},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2012.6350527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6350527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2049677420","https://openalex.org/W2105376754","https://openalex.org/W2142810222","https://openalex.org/W2148513090"],"related_works":["https://openalex.org/W2125689878","https://openalex.org/W1525749031","https://openalex.org/W2364738029","https://openalex.org/W4311223984","https://openalex.org/W2161503316","https://openalex.org/W2911005835","https://openalex.org/W4293235021","https://openalex.org/W2900904243","https://openalex.org/W158503234","https://openalex.org/W4313244915"],"abstract_inverted_index":{"An":[0],"external":[1],"calibration":[2,14,60,110,137,158],"experiment":[3,15],"was":[4],"held":[5],"for":[6,196],"an":[7],"airborne":[8],"SAR.":[9],"The":[10,131],"paper":[11],"describes":[12],"the":[13,26,44,58,81,98,103,108,125,145,161,174,185,189,193],"that":[16,135],"uses":[17],"a":[18,155],"series":[19],"of":[20,46,57,177,198],"trihedral":[21],"corner":[22,179,199],"reflectors":[23,200],"to":[24,79,143],"calibrate":[25],"high-resolution":[27],"SAR":[28,52],"images,":[29],"including":[30],"antenna":[31,48,82,105,147],"pattern":[32,49,83,148],"correction":[33],"and":[34,55,73,120,124,129,168,188],"absolute":[35,59,109,172],"radiometric":[36,169],"calibration.":[37],"In":[38],"this":[39],"paper,":[40],"we":[41],"specifically":[42],"address":[43],"determination":[45],"vertical":[47],"with":[50,66,84,114,139,184],"multi-flight":[51],"imaging":[53,166],"geometry,":[54],"discussion":[56],"methods.":[61],"First,":[62],"three":[63,92],"images":[64,93,141,153,163],"acquired":[65],"variable":[67],"off-nadir":[68,85],"angle":[69,86],"from":[70,87,192],"67.9~78.3,":[71],"70.9~78.4,":[72],"72.5~79.8":[74],"degree":[75],"respectively":[76],"are":[77],"combined":[78],"measure":[80],"67~80":[88],"degree.":[89],"And":[90,151],"then":[91],"were":[94],"relatively":[95],"calibrated":[96,194],"on":[97,102],"uniform":[99,104,156],"standard":[100],"based":[101],"pattern.":[106],"Secondly,":[107],"factor":[111],"is":[112,127,149,201],"inferred":[113],"two":[115],"methods":[116],"called":[117],"average":[118],"method":[119,138],"linear":[121],"regression":[122],"method,":[123],"result":[126],"compared":[128],"analyzed.":[130],"experimental":[132],"results":[133],"show":[134],"our":[136],"several":[140],"together":[142],"acquire":[144],"large":[146],"feasible.":[150],"these":[152],"achieve":[154],"relative":[157],"even":[159],"though":[160],"different":[162,165],"have":[164],"geometry":[167],"characteristics.":[170],"After":[171],"calibration,":[173],"estimated":[175,190],"RCS":[176],"each":[178],"reflector":[180],"basically":[181],"reached":[182],"agreement":[183],"actual":[186],"RCS,":[187],"error":[191],"image":[195],"most":[197],"less":[202],"than":[203],"1.0dB.":[204]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}