{"id":"https://openalex.org/W4385161720","doi":"https://doi.org/10.3390/rs15143656","title":"Fast and Accurate Refocusing for Moving Ships in SAR Imagery Based on FrFT","display_name":"Fast and Accurate Refocusing for Moving Ships in SAR Imagery Based on FrFT","publication_year":2023,"publication_date":"2023-07-21","ids":{"openalex":"https://openalex.org/W4385161720","doi":"https://doi.org/10.3390/rs15143656"},"language":"en","primary_location":{"id":"doi:10.3390/rs15143656","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15143656","pdf_url":"https://www.mdpi.com/2072-4292/15/14/3656/pdf?version=1689953648","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/15/14/3656/pdf?version=1689953648","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108844340","display_name":"Jin Wang","orcid":"https://orcid.org/0009-0003-9882-0057"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Wang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089794328","display_name":"Xiangguang Leng","orcid":"https://orcid.org/0000-0002-9372-8118"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiangguang Leng","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030795703","display_name":"Zhongzhen Sun","orcid":"https://orcid.org/0000-0001-6400-1481"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongzhen Sun","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115591673","display_name":"Xi Zhang","orcid":"https://orcid.org/0009-0007-1790-5884"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Zhang","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China;"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China;","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089424445","display_name":"Kefeng Ji","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kefeng Ji","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China;","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5089794328"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":9.8061,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.97353022,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"15","issue":"14","first_page":"3656","last_page":"3656"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9983000159263611,"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":0.9983000159263611,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.9900000095367432,"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/azimuth","display_name":"Azimuth","score":0.9059664607048035},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7609766125679016},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6264339685440063},{"id":"https://openalex.org/keywords/autofocus","display_name":"Autofocus","score":0.5906159281730652},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5466797947883606},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4741727113723755},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.44117119908332825},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4280209243297577},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3777834177017212},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.3554123640060425},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.25644099712371826},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1567021906375885},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08248746395111084}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.9059664607048035},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7609766125679016},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6264339685440063},{"id":"https://openalex.org/C103764139","wikidata":"https://www.wikidata.org/wiki/Q210008","display_name":"Autofocus","level":3,"score":0.5906159281730652},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5466797947883606},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4741727113723755},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.44117119908332825},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4280209243297577},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3777834177017212},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.3554123640060425},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.25644099712371826},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1567021906375885},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08248746395111084}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs15143656","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15143656","pdf_url":"https://www.mdpi.com/2072-4292/15/14/3656/pdf?version=1689953648","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:d218afb5bcde44dc9e09b670a7ec1849","is_oa":true,"landing_page_url":"https://doaj.org/article/d218afb5bcde44dc9e09b670a7ec1849","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 15, Iss 14, p 3656 (2023)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/15/14/3656/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs15143656","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 15; Issue 14; Pages: 3656","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs15143656","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15143656","pdf_url":"https://www.mdpi.com/2072-4292/15/14/3656/pdf?version=1689953648","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7400000095367432,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G1472615284","display_name":null,"funder_award_id":"2022-ZZKY-JJ-10-02","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G197720328","display_name":null,"funder_award_id":"6197145","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2047570096","display_name":null,"funder_award_id":"61971455","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5907704644","display_name":null,"funder_award_id":"62001480, 61971455","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6469786123","display_name":null,"funder_award_id":"2021JJ40684","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G6554236844","display_name":null,"funder_award_id":"2021JJ40684","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8306244626","display_name":null,"funder_award_id":"62001480","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/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4385161720.pdf"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W180710059","https://openalex.org/W1603141833","https://openalex.org/W1907426481","https://openalex.org/W1997950256","https://openalex.org/W2007695941","https://openalex.org/W2010965358","https://openalex.org/W2016626869","https://openalex.org/W2032432801","https://openalex.org/W2048659479","https://openalex.org/W2054220418","https://openalex.org/W2056666213","https://openalex.org/W2071681365","https://openalex.org/W2073850312","https://openalex.org/W2075418485","https://openalex.org/W2101496022","https://openalex.org/W2108710836","https://openalex.org/W2110965352","https://openalex.org/W2113345375","https://openalex.org/W2125045489","https://openalex.org/W2127769464","https://openalex.org/W2128979421","https://openalex.org/W2133001976","https://openalex.org/W2153594606","https://openalex.org/W2158473931","https://openalex.org/W2171912497","https://openalex.org/W2289495092","https://openalex.org/W2590254299","https://openalex.org/W2632026579","https://openalex.org/W2889465479","https://openalex.org/W2904480641","https://openalex.org/W2919369051","https://openalex.org/W3162189777","https://openalex.org/W3162784546","https://openalex.org/W3184840388","https://openalex.org/W3202470209","https://openalex.org/W3207363831","https://openalex.org/W3208019692","https://openalex.org/W4249102610","https://openalex.org/W4310379039","https://openalex.org/W4311376073","https://openalex.org/W4313026462","https://openalex.org/W4313640542","https://openalex.org/W4323044379","https://openalex.org/W4323314573","https://openalex.org/W4362590705","https://openalex.org/W4366425245","https://openalex.org/W4367665802","https://openalex.org/W4381149378","https://openalex.org/W6795122665","https://openalex.org/W6802910990","https://openalex.org/W6849009521"],"related_works":["https://openalex.org/W2293735384","https://openalex.org/W2349849942","https://openalex.org/W2075738584","https://openalex.org/W4285138054","https://openalex.org/W2083992722","https://openalex.org/W3094590434","https://openalex.org/W2763904007","https://openalex.org/W2079188893","https://openalex.org/W1755453833","https://openalex.org/W2068843146"],"abstract_inverted_index":{"Synthetic":[0],"aperture":[1],"radar":[2],"(SAR)":[3],"is":[4,105,135,263],"capable":[5],"of":[6,13,68,123,187,201,218,228,239,265],"monitoring":[7],"the":[8,60,94,98,102,108,119,124,129,138,153,157,183,188,197,202,207,214,226,229,252,259,266,273,279,284],"ocean":[9],"all":[10],"day,":[11],"regardless":[12],"weather":[14],"conditions.":[15],"However,":[16],"moving":[17,43,82],"ships":[18,83],"exhibit":[19],"azimuth":[20,95,110,125,130,180,190,204,220],"defocus":[21,52,150],"in":[22,34,84,101,243],"SAR":[23,46,85,103,241],"images,":[24],"which":[25,144,262],"severely":[26],"hampers":[27],"ship":[28],"recognition":[29],"performance.":[30],"Ships":[31],"typically":[32],"move":[33],"a":[35,75,237],"linear":[36,42],"motion":[37,114],"at":[38,182],"sea.":[39],"For":[40],"refocusing":[41,70,79,155,166,174,194,255,276],"ships,":[44],"existing":[45,69,289],"autofocus":[47],"algorithms":[48],"cannot":[49],"accurately":[50,146],"extract":[51],"information":[53],"and":[54,64,77,147,210],"require":[55],"multiple":[56],"iterations.":[57],"To":[58],"overcome":[59],"poor":[61],"focusing":[62,281],"quality":[63],"high":[65],"computational":[66],"complexity":[67],"algorithms,":[71],"this":[72],"paper":[73],"proposes":[74],"fast":[76,163,173,254],"accurate":[78],"scheme":[80,158],"for":[81,213],"imagery":[86],"based":[87],"on":[88,178,236],"Fractional":[89],"Fourier":[90],"Transform":[91],"(FrFT).":[92],"Firstly,":[93],"line":[96,111,126,181,205],"with":[97],"strongest":[99],"energy":[100],"image":[104,286],"selected":[106],"as":[107,206],"best":[109,189,203,280],"representing":[112],"its":[113],"property.":[115],"Then,":[116],"according":[117],"to":[118,168,224],"entropy":[120,141,287],"variation":[121],"law":[122],"after":[127],"FrFT,":[128],"line\u2019s":[131],"optimal":[132,184,198,215],"rotation":[133,185,199,216],"order":[134,186,200,217,223],"determined":[136],"by":[137],"proposed":[139,230,253,274],"minimum":[140],"search":[142],"method,":[143],"can":[145,257],"quickly":[148],"obtain":[149],"information.":[151],"In":[152,222],"final":[154],"module,":[156],"provides":[159],"two":[160],"ways,":[161],"i.e.,":[162],"or":[164],"fine":[165,193,275],"approaches,":[167],"generate":[169],"well-focused":[170],"images.":[171],"The":[172,192,247],"approach":[175,195,256,277],"performs":[176],"FrFT":[177],"each":[179],"line.":[191],"takes":[196],"initial":[208],"value":[209],"further":[211],"searches":[212],"other":[219],"lines.":[221],"verify":[225],"effectiveness":[227],"scheme,":[231],"experiments":[232],"are":[233],"carried":[234],"out":[235],"number":[238],"Gaofen-3":[240],"images":[242],"different":[244],"acquisition":[245],"modes.":[246],"experimental":[248],"results":[249],"show":[250],"that":[251],"achieve":[258],"fastest":[260],"speed,":[261],"2.1%":[264],"traditional":[267],"FrFT-based":[268],"method\u2019s":[269],"processing":[270],"time.":[271],"Moreover,":[272],"has":[278],"performance,":[282],"achieving":[283],"lowest":[285],"among":[288],"methods.":[290]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}