{"id":"https://openalex.org/W4206156602","doi":"https://doi.org/10.1109/lgrs.2022.3140865","title":"A Two-Step Wide-Scene Polar Format Algorithm for High-Resolution Highly-Squinted SAR","display_name":"A Two-Step Wide-Scene Polar Format Algorithm for High-Resolution Highly-Squinted SAR","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4206156602","doi":"https://doi.org/10.1109/lgrs.2022.3140865"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2022.3140865","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2022.3140865","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-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/A5101908976","display_name":"Xin Nie","orcid":"https://orcid.org/0000-0003-0176-040X"},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Nie","raw_affiliation_strings":["Nanjing Research Institute of Electronics Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-0176-040X","affiliations":[{"raw_affiliation_string":"Nanjing Research Institute of Electronics Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000796788","display_name":"Wanming Lei","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wanming Lei","raw_affiliation_strings":["Nanjing Research Institute of Electronics Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Research Institute of Electronics Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100511086","display_name":"Long Zhuang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Long Zhuang","raw_affiliation_strings":["Nanjing Research Institute of Electronics Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Research Institute of Electronics Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210110458"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210110458"],"apc_list":null,"apc_paid":null,"fwci":7.6454,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.96362377,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"19","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":1.0,"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":1.0,"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":0.9994999766349792,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9904000163078308,"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/computer-science","display_name":"Computer science","score":0.74788898229599},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.734887957572937},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.557270348072052},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5179589986801147},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5089168548583984},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5017025470733643},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.48552918434143066},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4571942389011383},{"id":"https://openalex.org/keywords/wavefront","display_name":"Wavefront","score":0.4168986678123474},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3194822669029236},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.18711048364639282},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09173855185508728},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07449373602867126}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.74788898229599},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.734887957572937},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.557270348072052},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5179589986801147},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5089168548583984},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5017025470733643},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.48552918434143066},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4571942389011383},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"score":0.4168986678123474},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3194822669029236},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18711048364639282},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09173855185508728},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07449373602867126}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2022.3140865","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2022.3140865","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.75}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1512065934","https://openalex.org/W1964092200","https://openalex.org/W1985685707","https://openalex.org/W2096674459","https://openalex.org/W2101211288","https://openalex.org/W2109304027","https://openalex.org/W2245827188","https://openalex.org/W2285269654","https://openalex.org/W2286387132","https://openalex.org/W2322107842","https://openalex.org/W2599776333","https://openalex.org/W2808410741","https://openalex.org/W2949348053","https://openalex.org/W3046525645","https://openalex.org/W3162711653"],"related_works":["https://openalex.org/W2923928625","https://openalex.org/W3080662243","https://openalex.org/W2988682366","https://openalex.org/W2767848786","https://openalex.org/W2128668801","https://openalex.org/W2068843146","https://openalex.org/W2435337985","https://openalex.org/W2130107135","https://openalex.org/W2152662390","https://openalex.org/W1596449587"],"abstract_inverted_index":{"Traditional":[0],"polar":[1],"format":[2],"algorithm":[3],"(PFA)":[4],"is":[5,41,58,70,128,141],"widely":[6],"used":[7],"in":[8,33,60,130],"high-resolution":[9],"and":[10,99,132,145],"highly-squinted":[11],"(HRHS)":[12],"synthetic":[13],"aperture":[14],"radar":[15],"(SAR)":[16],"systems,":[17],"because":[18],"of":[19,82],"its":[20],"unique":[21],"decoupling":[22],"ability":[23],"for":[24],"any":[25],"squint":[26],"angle.":[27],"However,":[28],"the":[29,38,46,52,94,136],"image":[30],"size":[31],"limit":[32],"traditional":[34],"PFA,":[35,104,107],"affected":[36],"by":[37,101,121,143],"wavefront":[39],"curvature,":[40],"too":[42],"small":[43],"to":[44,71,93,108],"meet":[45],"modern":[47],"wide-scene":[48],"requirements.":[49],"To":[50],"break":[51],"limit,":[53],"a":[54,73,80,110],"new":[55],"two-step":[56,126],"PFA":[57,65,69,138],"proposed":[59],"this":[61],"letter.":[62],"It":[63,140],"uses":[64],"twice.":[66],"The":[67,114],"first":[68],"obtain":[72],"coarse":[74],"focused":[75,112],"big":[76],"image,":[77],"from":[78],"which":[79],"number":[81],"subimages":[83,123],"can":[84,117],"be":[85,91,118],"filtered":[86],"out.":[87],"Each":[88],"subimage":[89],"could":[90,133],"recovered":[92],"original":[95],"phase":[96],"history":[97],"domain":[98],"reprocessed":[100],"another":[102],"modified":[103],"i.e.,":[105],"second":[106],"get":[109],"precisely":[111],"subimage.":[113],"final":[115],"full-image":[116],"obtained":[119],"easily":[120],"mosaicking":[122],"together.":[124],"This":[125],"approach":[127],"derived":[129],"detail":[131],"obviously":[134],"enlarge":[135],"valid":[137],"scene.":[139],"validated":[142],"simulated":[144],"real":[146],"data.":[147]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}