{"id":"https://openalex.org/W4387801740","doi":"https://doi.org/10.1109/igarss52108.2023.10282582","title":"Development Status of Nict\u2019s new X-Band Airborne SAR (Pi-SAR X3)","display_name":"Development Status of Nict\u2019s new X-Band Airborne SAR (Pi-SAR X3)","publication_year":2023,"publication_date":"2023-07-16","ids":{"openalex":"https://openalex.org/W4387801740","doi":"https://doi.org/10.1109/igarss52108.2023.10282582"},"language":"en","primary_location":{"id":"doi:10.1109/igarss52108.2023.10282582","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/igarss52108.2023.10282582","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2023 - 2023 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/A5103357240","display_name":"Shoichiro Kojima","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":true,"raw_author_name":"Shoichiro Kojima","raw_affiliation_strings":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110684857","display_name":"Junpei Uemoto","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":"Junpei Uemoto","raw_affiliation_strings":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","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":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","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":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","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":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","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":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071689458","display_name":"Masato Tanaka","orcid":"https://orcid.org/0000-0003-0787-0335"},"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":"Masato Tanaka","raw_affiliation_strings":["Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795"],"affiliations":[{"raw_affiliation_string":"Applied Electromagnetic Research Institute National Institute of Information and Communications Technology (NICT),Remote Sensing Laboratory,Tokyo,Japan,184-8795","institution_ids":["https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5103357240"],"corresponding_institution_ids":["https://openalex.org/I90023481"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06637659,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4306","last_page":"4309"},"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":0.9865999817848206,"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":0.9865999817848206,"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":0.9258000254631042,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.8346102237701416},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7442805767059326},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5608906745910645},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.5435263514518738},{"id":"https://openalex.org/keywords/high-resolution","display_name":"High resolution","score":0.5019586086273193},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.4502241313457489},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.38196176290512085},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.36463528871536255},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3486514091491699},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3144994378089905},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2350156307220459},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.20806217193603516},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13059228658676147},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10826009511947632}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.8346102237701416},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7442805767059326},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5608906745910645},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.5435263514518738},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.5019586086273193},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.4502241313457489},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.38196176290512085},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.36463528871536255},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3486514091491699},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3144994378089905},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2350156307220459},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.20806217193603516},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13059228658676147},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10826009511947632}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss52108.2023.10282582","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/igarss52108.2023.10282582","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4300000071525574}],"awards":[],"funders":[{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"}],"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/W2112228652","https://openalex.org/W1908474219","https://openalex.org/W2545123933","https://openalex.org/W1994788526","https://openalex.org/W2041414401","https://openalex.org/W2108352898","https://openalex.org/W2612690400","https://openalex.org/W2042726296","https://openalex.org/W2160730947","https://openalex.org/W2081203575"],"abstract_inverted_index":{"The":[0,65],"National":[1],"Institute":[2],"of":[3,15,32,48,60,67,75,108],"Information":[4],"and":[5,13,57,80,101,105],"Communications":[6],"Technology":[7],"(NICT)":[8],"has":[9],"been":[10],"conducting":[11],"research":[12],"development":[14,58],"a":[16,46],"third-generation":[17],"airborne":[18,35],"synthetic":[19],"aperture":[20],"radar":[21],"(Pi-SAR":[22],"X3)":[23],"since":[24],"2016.":[25],"Pi-SAR":[26,61],"X3":[27],"improves":[28],"the":[29,33,42,55,73,76,84,90,93,106,109,116],"resolution":[30,47,111],"(30cm)":[31],"second-generation":[34],"SAR":[36],"(Pi-SAR2":[37],"[1]).":[38],"It":[39],"can":[40],"observe":[41],"Earth's":[43],"surface":[44,95],"with":[45],"15":[49,99],"cm.":[50],"This":[51],"paper":[52],"reports":[53],"on":[54],"design":[56],"status":[59],"X3.":[62],"In":[63,89],"addition,":[64],"results":[66],"test":[68,85,91],"observations":[69,86],"performed":[70],"to":[71],"verify":[72],"operation":[74],"instrument":[77],"are":[78,87,112],"reported":[79],"images":[81],"obtained":[82],"from":[83],"presented.":[88],"observation,":[92],"ground":[94],"was":[96],"observed":[97],"at":[98],"cm":[100,103],"30":[102],"resolution,":[104],"advantages":[107],"improved":[110],"discussed":[113],"by":[114],"comparing":[115],"two":[117],"images.":[118]},"counts_by_year":[],"updated_date":"2025-12-21T23:12:01.093139","created_date":"2025-10-10T00:00:00"}