{"id":"https://openalex.org/W3206544334","doi":"https://doi.org/10.1109/igarss47720.2021.9553503","title":"A Method of Subaperture Division in CSAR Imaging","display_name":"A Method of Subaperture Division in CSAR Imaging","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3206544334","doi":"https://doi.org/10.1109/igarss47720.2021.9553503","mag":"3206544334"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9553503","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553503","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","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/A5100750721","display_name":"Yuliang Li","orcid":"https://orcid.org/0000-0002-8891-9868"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuliang Li","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Min Rui","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Rui","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101887161","display_name":"Jin Li","orcid":"https://orcid.org/0000-0003-1897-798X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Li","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076476995","display_name":"Yiming Pi","orcid":"https://orcid.org/0000-0002-5176-7901"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiming Pi","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027451971","display_name":"Jie Zou","orcid":"https://orcid.org/0000-0003-2303-3772"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zou Jie","raw_affiliation_strings":["The Second Research Institute of CAAC"],"affiliations":[{"raw_affiliation_string":"The Second Research Institute of CAAC","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102829585","display_name":"Gao Jing","orcid":"https://orcid.org/0009-0003-3026-0620"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gao Jing","raw_affiliation_strings":["The Second Research Institute of CAAC"],"affiliations":[{"raw_affiliation_string":"The Second Research Institute of CAAC","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100750721"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":2.1897,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.93051184,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"5135","last_page":"5138"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9994000196456909,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/division","display_name":"Division (mathematics)","score":0.7618154287338257},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7555689811706543},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6645500659942627},{"id":"https://openalex.org/keywords/aperture","display_name":"Aperture (computer memory)","score":0.6012462973594666},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5591403245925903},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.542573094367981},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4844639301300049},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.46248751878738403},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45191389322280884},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.4295158386230469},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3365458846092224},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.28438693284988403},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14653164148330688},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10955709218978882},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.07980906963348389},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07675305008888245}],"concepts":[{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.7618154287338257},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7555689811706543},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6645500659942627},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.6012462973594666},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5591403245925903},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.542573094367981},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4844639301300049},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.46248751878738403},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45191389322280884},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.4295158386230469},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3365458846092224},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.28438693284988403},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14653164148330688},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10955709218978882},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.07980906963348389},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07675305008888245},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9553503","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553503","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G1303324663","display_name":null,"funder_award_id":"62071100,61971104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2323419908","https://openalex.org/W2329342261","https://openalex.org/W2609289109","https://openalex.org/W2779734786","https://openalex.org/W2893290552","https://openalex.org/W2914463524","https://openalex.org/W3109380502","https://openalex.org/W6786327943"],"related_works":["https://openalex.org/W2008518276","https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W2041414401","https://openalex.org/W2152662390","https://openalex.org/W2042726296","https://openalex.org/W2096748030","https://openalex.org/W3016428515","https://openalex.org/W2160730947","https://openalex.org/W2747205507"],"abstract_inverted_index":{"This":[0,11],"paper":[1],"proposes":[2],"an":[3,24],"imaging":[4,89,95],"algorithm":[5,22,32,78],"with":[6],"adaptive":[7],"aperture":[8,18,49,65],"energy":[9,53,66],"division.":[10],"method":[12,61],"is":[13,23,71],"suitable":[14],"for":[15],"circular":[16],"synthetic":[17],"radar":[19],"(CSAR).":[20],"The":[21],"extension":[25],"of":[26,39,87,103],"the":[27,37,45,48,52,56,64,69,76,80,88,101,104],"traditional":[28,57],"CSAR":[29],"polar":[30],"format":[31],"(PFA).":[33],"Firstly,":[34],"to":[35,67,75,91],"avoid":[36],"loss":[38],"image":[40,79],"detail":[41],"information":[42],"caused":[43],"by":[44],"mismatch":[46],"between":[47],"size":[50],"and":[51,83],"distribution":[54],"in":[55],"self-aperture":[58],"division,":[59],"a":[60],"based":[62],"on":[63],"divide":[68],"sub-aperture":[70],"proposed.":[72],"Then,":[73],"according":[74],"PFA":[77],"sub-apertures":[81],"separately,":[82],"perform":[84],"incoherent":[85],"fusion":[86],"results":[90,99],"quickly":[92],"obtain":[93],"high-resolution":[94],"results.":[96],"Finally,":[97],"simulation":[98],"validate":[100],"feasibility":[102],"proposed":[105],"approach.":[106]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}
