{"id":"https://openalex.org/W4387609098","doi":"https://doi.org/10.1109/lgrs.2023.3324327","title":"A Modified Polar Format Algorithm for Highly Squinted Missile-Borne SAR","display_name":"A Modified Polar Format Algorithm for Highly Squinted Missile-Borne SAR","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4387609098","doi":"https://doi.org/10.1109/lgrs.2023.3324327"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2023.3324327","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3324327","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/A5109589753","display_name":"Lan Dong","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lan Dong","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027679721","display_name":"Shengliang Han","orcid":"https://orcid.org/0000-0001-8823-6349"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengliang Han","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-8823-6349","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100784062","display_name":"Daiyin Zhu","orcid":"https://orcid.org/0000-0002-5855-8635"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Daiyin Zhu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-5855-8635","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040549750","display_name":"Xinhua Mao","orcid":"https://orcid.org/0000-0002-3311-9679"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinhua Mao","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3311-9679","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Ministry of Education, College of Electronic and Information Engineering, Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":6.1752,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.95860694,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"20","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":0.9995999932289124,"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":0.9995999932289124,"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":0.998199999332428,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.9868999719619751,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7274786233901978},{"id":"https://openalex.org/keywords/missile","display_name":"Missile","score":0.6823217868804932},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.6099038124084473},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5716776251792908},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.5687402486801147},{"id":"https://openalex.org/keywords/phase-center","display_name":"Phase center","score":0.4148687720298767},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3975130617618561},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39632734656333923},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3297139108181},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.31494924426078796},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14771768450737}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7274786233901978},{"id":"https://openalex.org/C2778857364","wikidata":"https://www.wikidata.org/wiki/Q974850","display_name":"Missile","level":2,"score":0.6823217868804932},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.6099038124084473},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5716776251792908},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.5687402486801147},{"id":"https://openalex.org/C7615733","wikidata":"https://www.wikidata.org/wiki/Q2085398","display_name":"Phase center","level":3,"score":0.4148687720298767},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3975130617618561},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39632734656333923},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3297139108181},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.31494924426078796},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14771768450737},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2023.3324327","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3324327","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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G5831207941","display_name":null,"funder_award_id":"2020B1515120060","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G6584188986","display_name":null,"funder_award_id":"20182052013","funder_id":"https://openalex.org/F4320322857","funder_display_name":"Aeronautical Science Foundation of China"},{"id":"https://openalex.org/G6662867112","display_name":null,"funder_award_id":"61871218","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6981776684","display_name":"\u57fa\u4e8e\u5148\u9a8c\u77e5\u8bc6\u7684\u673a\u8f7dSAR\u4e24\u7ef4\u81ea\u805a\u7126\u7b97\u6cd5\u7814\u7a76","funder_award_id":"61671240","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G732173667","display_name":null,"funder_award_id":"61901213","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"},{"id":"https://openalex.org/F4320322857","display_name":"Aeronautical Science Foundation of China","ror":"https://ror.org/02wq41p38"},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W208592003","https://openalex.org/W225265453","https://openalex.org/W1527747735","https://openalex.org/W1992530859","https://openalex.org/W2057276971","https://openalex.org/W2081390139","https://openalex.org/W2096674459","https://openalex.org/W2101211288","https://openalex.org/W2115545510","https://openalex.org/W2116540125","https://openalex.org/W2125856058","https://openalex.org/W2127623318","https://openalex.org/W2140633949","https://openalex.org/W2146065092","https://openalex.org/W2337155150","https://openalex.org/W2588857151","https://openalex.org/W2913221264","https://openalex.org/W3049288366","https://openalex.org/W3113110777","https://openalex.org/W6733811387","https://openalex.org/W6787438206"],"related_works":["https://openalex.org/W2393256787","https://openalex.org/W2373274395","https://openalex.org/W2382877468","https://openalex.org/W4293863104","https://openalex.org/W2359572027","https://openalex.org/W3208239337","https://openalex.org/W2354429222","https://openalex.org/W2380594792","https://openalex.org/W4327521644","https://openalex.org/W2140990782"],"abstract_inverted_index":{"The":[0,30,107],"missile-borne":[1],"SAR":[2],"works":[3],"in":[4,127],"the":[5,22,25,45,67,77,80,84,99,128,141,146],"forward-squint":[6],"state,":[7],"and":[8,24,36,89,121,143],"a":[9,15,63],"higher":[10,93],"flight":[11],"speed":[12],"will":[13],"cause":[14],"very":[16],"large":[17,51,104],"relative":[18],"radial":[19,52,105],"velocity":[20],"between":[21],"target":[23],"antenna":[26],"phase":[27],"center":[28],"(APC).":[29],"classic":[31],"polar":[32],"format":[33],"algorithm":[34],"(PFA)":[35],"its":[37],"improved":[38],"version":[39,65],"do":[40],"not":[41],"effectively":[42],"compensate":[43],"for":[44,112],"intra-pulse":[46],"Doppler":[47],"history":[48],"resulting":[49],"from":[50],"velocity,":[53],"which":[54,69],"leads":[55],"to":[56,139],"defocused":[57],"images.":[58],"Therefore":[59],"this":[60,133],"paper":[61],"proposes":[62],"modified":[64,81,108,147],"of":[66,87,98,145],"PFA,":[68,79],"can":[70],"solve":[71],"such":[72],"image":[73,94],"defocus.":[74],"Compared":[75],"with":[76],"classical":[78],"PFA":[82,109],"has":[83],"same":[85],"advantages":[86,144],"simplicity":[88],"efficiency":[90],"while":[91],"implementing":[92],"quality":[95],"by":[96,103],"compensation":[97],"residual":[100],"phases":[101],"caused":[102],"velocity.":[106],"is":[110],"suitable":[111],"hardware":[113],"implementation,":[114],"since":[115],"only":[116],"fast":[117],"Fourier":[118],"transform":[119],"(FFT)":[120],"complex":[122],"vector":[123],"multiplications":[124],"are":[125,137],"required":[126],"range":[129],"dimension":[130],"processing.":[131],"In":[132],"paper,":[134],"simulation":[135],"examples":[136],"employed":[138],"verify":[140],"validity":[142],"PFA.":[148]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}