{"id":"https://openalex.org/W4404056836","doi":"https://doi.org/10.1109/access.2024.3492013","title":"Subaperture Imaging Algorithm for Squinted Automotive FMCW SAR Based on CLOSI-Omega-K","display_name":"Subaperture Imaging Algorithm for Squinted Automotive FMCW SAR Based on CLOSI-Omega-K","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4404056836","doi":"https://doi.org/10.1109/access.2024.3492013"},"language":"en","primary_location":{"id":"doi:10.1109/access.2024.3492013","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3492013","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dx.doi.org/10.1109/access.2024.3492013","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Letian Zeng","orcid":"https://orcid.org/0009-0008-8778-6312"},"institutions":[{"id":"https://openalex.org/I4210120302","display_name":"Shunde Polytechnic","ror":"https://ror.org/01w9d4603","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210120302"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Letian Zeng","raw_affiliation_strings":["School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China"],"raw_orcid":"https://orcid.org/0009-0008-8778-6312","affiliations":[{"raw_affiliation_string":"School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China","institution_ids":["https://openalex.org/I4210120302"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070451682","display_name":"Yuanyuan Huai","orcid":null},"institutions":[{"id":"https://openalex.org/I4210097119","display_name":"PLA Electronic Engineering Institute","ror":"https://ror.org/00z0n4g71","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210097119"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanyuan Huai","raw_affiliation_strings":["Xi'an Electronic Engineering Research Institute, Xi'an, China","Xi&#x2019;an Electronic Engineering Research Institute, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-3168-3209","affiliations":[{"raw_affiliation_string":"Xi'an Electronic Engineering Research Institute, Xi'an, China","institution_ids":["https://openalex.org/I4210097119"]},{"raw_affiliation_string":"Xi&#x2019;an Electronic Engineering Research Institute, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210097119"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026735220","display_name":"Sheng Zhang","orcid":"https://orcid.org/0000-0002-9190-3365"},"institutions":[{"id":"https://openalex.org/I194716290","display_name":"China Academy of Space Technology","ror":"https://ror.org/025397a59","country_code":"CN","type":"government","lineage":["https://openalex.org/I194716290","https://openalex.org/I2802615301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Zhang","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Space Microwave, Xi'an Institute of Space Radio Technology, Xi'an, China","National Key Laboratory of Science and Technology on Space Microwave, Xi&#x2019;an Institute of Space Radio Technology, Xi&#x2019;an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Space Microwave, Xi'an Institute of Space Radio Technology, Xi'an, China","institution_ids":["https://openalex.org/I194716290"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Space Microwave, Xi&#x2019;an Institute of Space Radio Technology, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I194716290"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083282081","display_name":"Qi Mao","orcid":"https://orcid.org/0000-0001-5914-2466"},"institutions":[{"id":"https://openalex.org/I4210120302","display_name":"Shunde Polytechnic","ror":"https://ror.org/01w9d4603","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210120302"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Mao","raw_affiliation_strings":["School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China"],"raw_orcid":"https://orcid.org/0000-0001-5914-2466","affiliations":[{"raw_affiliation_string":"School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China","institution_ids":["https://openalex.org/I4210120302"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103732762","display_name":"Yunhuai Zou","orcid":null},"institutions":[{"id":"https://openalex.org/I4210120302","display_name":"Shunde Polytechnic","ror":"https://ror.org/01w9d4603","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210120302"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunhuai Zou","raw_affiliation_strings":["School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Intelligent Manufacturing, Shunde Polytechnic, Foshan, China","institution_ids":["https://openalex.org/I4210120302"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28013911,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"165173","last_page":"165184"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9180999994277954,"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":0.9180999994277954,"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":0.6391866207122803},{"id":"https://openalex.org/keywords/omega","display_name":"Omega","score":0.6051748394966125},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5299611687660217},{"id":"https://openalex.org/keywords/automotive-industry","display_name":"Automotive industry","score":0.5093444585800171},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.49039578437805176},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.48198527097702026},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47730883955955505},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4201420545578003},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4088697135448456},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33187127113342285},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.25236278772354126},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.24517184495925903},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2110615372657776},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.18811514973640442},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18466711044311523}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6391866207122803},{"id":"https://openalex.org/C2779557605","wikidata":"https://www.wikidata.org/wiki/Q9890","display_name":"Omega","level":2,"score":0.6051748394966125},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5299611687660217},{"id":"https://openalex.org/C526921623","wikidata":"https://www.wikidata.org/wiki/Q190117","display_name":"Automotive industry","level":2,"score":0.5093444585800171},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.49039578437805176},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.48198527097702026},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47730883955955505},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4201420545578003},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4088697135448456},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33187127113342285},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.25236278772354126},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.24517184495925903},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2110615372657776},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.18811514973640442},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18466711044311523},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2024.3492013","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3492013","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ea29627ceb7b419bbe6cec9f7cf09923","is_oa":true,"landing_page_url":"https://doaj.org/article/ea29627ceb7b419bbe6cec9f7cf09923","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 12, Pp 165173-165184 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2024.3492013","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2024.3492013","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1503391220","display_name":null,"funder_award_id":"2022A1515110864","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G4121801346","display_name":null,"funder_award_id":"2023ZDZX1093","funder_id":"https://openalex.org/F4320335919","funder_display_name":"Major Projects of Guangdong Education Department for Foundation Research and Applied Research"}],"funders":[{"id":"https://openalex.org/F4320335919","display_name":"Major Projects of Guangdong Education Department for Foundation Research and Applied Research","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1973118741","https://openalex.org/W1974386578","https://openalex.org/W1986993797","https://openalex.org/W2069848729","https://openalex.org/W2138863700","https://openalex.org/W2146224786","https://openalex.org/W2149272843","https://openalex.org/W2159764512","https://openalex.org/W2169071110","https://openalex.org/W2292681250","https://openalex.org/W2336494838","https://openalex.org/W2342560438","https://openalex.org/W2599776333","https://openalex.org/W2786390189","https://openalex.org/W2889414088","https://openalex.org/W2903291671","https://openalex.org/W2903312433","https://openalex.org/W2973391561","https://openalex.org/W2983131442","https://openalex.org/W3034494124","https://openalex.org/W3118293846","https://openalex.org/W3134964108","https://openalex.org/W3174504503","https://openalex.org/W4285814921","https://openalex.org/W4288081220","https://openalex.org/W4304687404","https://openalex.org/W4312890534","https://openalex.org/W4318602104","https://openalex.org/W4328008241","https://openalex.org/W4390482206","https://openalex.org/W4393032756","https://openalex.org/W6661843451","https://openalex.org/W6772149307","https://openalex.org/W6884767157"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W2041414401","https://openalex.org/W2042726296","https://openalex.org/W2096748030","https://openalex.org/W3016428515","https://openalex.org/W2160730947","https://openalex.org/W2747205507"],"abstract_inverted_index":{"Due":[0],"to":[1,129,187],"the":[2,17,20,27,36,39,43,69,76,80,91,95,104,108,112,115,125,134,143,153,156,172,179,197,200],"short":[3],"duration":[4],"of":[5,19,38,79,97,107,114,155,191,199],"automotive":[6,71],"frequency-modulated":[7],"continuous-wave":[8],"(FMCW)":[9],"synthetic":[10,116],"aperture":[11,117],"radar":[12],"(SAR),":[13],"targets":[14],"located":[15],"at":[16],"edge":[18],"imaging":[21,32,61,109,127,167],"scene":[22,110],"are":[23,185],"often":[24],"distorted":[25],"in":[26,42,132],"SAR":[28],"image,":[29],"rendering":[30],"conventional":[31],"algorithms":[33],"ineffective.":[34],"Moreover,":[35],"under-utilization":[37],"supported":[40],"area":[41],"wave-number":[44,81,139],"domain":[45],"significantly":[46],"compromises":[47],"image":[48,86],"quality.":[49,87],"To":[50],"address":[51],"these":[52],"challenges,":[53],"this":[54],"paper":[55],"presents":[56],"a":[57],"modified":[58],"Omega-K":[59],"subaperture":[60],"algorithm":[62,158],"based":[63],"on":[64],"cross-line-of-sight":[65],"interpolation":[66],"(CLOSI)":[67],"for":[68,90,145],"squinted":[70],"FMCW":[72],"SAR.":[73],"CLOSI":[74],"ensures":[75],"optimal":[77],"utilization":[78],"spectrum,":[82],"thereby":[83,148],"guaranteeing":[84],"superior":[85],"By":[88],"compensating":[89],"phase-wave-number":[92],"variation":[93],"ratio,":[94],"problem":[96],"point":[98,162],"target":[99,163],"position":[100,136],"aliasing":[101],"arising":[102],"from":[103],"azimuth":[105,138],"width":[106],"exceeding":[111],"length":[113],"is":[118,159],"solved.":[119],"Integration":[120],"with":[121],"SPECAN":[122],"processing":[123,150],"enables":[124],"final":[126],"results":[128],"be":[130],"focused":[131],"both":[133],"range":[135],"and":[137,178,193],"domains.":[140],"This":[141],"eliminates":[142],"need":[144],"zero":[146],"padding,":[147],"enhancing":[149],"efficiency.":[151],"Finally,":[152],"feasibility":[154],"proposed":[157,201],"verified":[160],"by":[161],"simulation":[164],"experiments.":[165],"The":[166],"performance":[168],"indicators,":[169],"such":[170],"as":[171],"peak":[173],"side":[174,181],"lobe":[175,182],"ratio":[176,183],"(PSLR)":[177],"integral":[180],"(ISLR),":[184],"close":[186],"their":[188],"theoretical":[189],"values":[190],"-13.24dB":[192],"-9.80dB,":[194],"respectively,":[195],"demonstrating":[196],"effectiveness":[198],"algorithm.":[202]},"counts_by_year":[],"updated_date":"2025-12-27T23:08:20.325037","created_date":"2025-10-10T00:00:00"}
