{"id":"https://openalex.org/W2033062380","doi":"https://doi.org/10.1109/igarss.2009.5417443","title":"Calibration of the high performance airborne SAR system (Pi-SAR2)","display_name":"Calibration of the high performance airborne SAR system (Pi-SAR2)","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2033062380","doi":"https://doi.org/10.1109/igarss.2009.5417443","mag":"2033062380"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5417443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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/A5102997157","display_name":"Takeshi Matsuoka","orcid":"https://orcid.org/0000-0003-0572-8300"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Matsuoka","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060717262","display_name":"Toshihiko Umehara","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiko Umehara","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060588857","display_name":"Akitsugu Nadai","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akitsugu Nadai","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044449720","display_name":"Tatsuharu Kobayashi","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tatsuharu Kobayashi","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055862375","display_name":"Makoto Satake","orcid":"https://orcid.org/0000-0002-2546-4798"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Makoto Satake","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030946535","display_name":"Seiho Uratsuka","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Seiho Uratsuka","raw_affiliation_strings":["Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology, Koganei, Tokyo, Japan","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Radiowave Remote Sensing Group, Applied Electromagnetic Research Center, National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-kitamachi, Koganei, Tokyo, 184-8795, Japan","institution_ids":["https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":45.3071,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.99363194,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"IV","last_page":"582"},"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":0.9991999864578247,"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":0.9991999864578247,"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":0.9976000189781189,"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":0.9616000056266785,"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/remote-sensing","display_name":"Remote sensing","score":0.7139139175415039},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6938282251358032},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.6070345640182495},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5587676763534546},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.5531092882156372},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.5526712536811829},{"id":"https://openalex.org/keywords/conjunction","display_name":"Conjunction (astronomy)","score":0.5143536329269409},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.42767447233200073},{"id":"https://openalex.org/keywords/track","display_name":"Track (disk drive)","score":0.41484004259109497},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3702514171600342},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.28703129291534424},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2563517391681671},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20108431577682495},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09399846196174622}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7139139175415039},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6938282251358032},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.6070345640182495},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5587676763534546},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5531092882156372},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.5526712536811829},{"id":"https://openalex.org/C59656382","wikidata":"https://www.wikidata.org/wiki/Q191536","display_name":"Conjunction (astronomy)","level":2,"score":0.5143536329269409},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.42767447233200073},{"id":"https://openalex.org/C89992363","wikidata":"https://www.wikidata.org/wiki/Q5961558","display_name":"Track (disk drive)","level":2,"score":0.41484004259109497},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3702514171600342},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.28703129291534424},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2563517391681671},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20108431577682495},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09399846196174622},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2009.5417443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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":1,"referenced_works":["https://openalex.org/W2087299754"],"related_works":["https://openalex.org/W1573992054","https://openalex.org/W1599690842","https://openalex.org/W2753053412","https://openalex.org/W2665157442","https://openalex.org/W3108840034","https://openalex.org/W4388169484","https://openalex.org/W2363259562","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2469797871"],"abstract_inverted_index":{"NICT":[0],"(National":[1],"Institute":[2],"of":[3,37],"Information":[4],"and":[5,30,45,70],"Communications":[6],"Technology,":[7],"Japan)":[8],"have":[9],"developed":[10],"a":[11,21],"high":[12,34],"performance":[13],"airborne":[14],"SAR":[15],"system":[16],"(Pi-SAR2)":[17],"since":[18],"2006,":[19],"as":[20],"successor":[22],"to":[23],"the":[24,60,77],"Pi-SAR":[25],"(X-band).":[26],"Pi-SAR2":[27,78],"has":[28],"polarimetric":[29],"interferometric":[31],"functions":[32],"with":[33,76],"spatial":[35],"resolution":[36],"0.3-0.6":[38],"m":[39,47],"in":[40,48,74],"along":[41],"track":[42,50],"(azimuth)":[43],"direction":[44,52],"0.3-0.5":[46],"cross":[49],"(slant-range)":[51],"at":[53],"X-band.":[54],"In":[55],"this":[56],"paper":[57],"we":[58],"report":[59],"ground":[61],"based":[62],"calibration":[63],"experiment":[64],"using":[65],"active":[66],"radar":[67],"calibrators":[68],"(ARC)":[69],"corner":[71],"reflectors":[72],"(CR)":[73],"conjunction":[75],"test":[79],"flight.":[80]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}