{"id":"https://openalex.org/W2999399146","doi":"https://doi.org/10.1109/tci.2020.2964228","title":"Computational Efficient Refocusing and Estimation Method for Radar Moving Target With Unknown Time Information","display_name":"Computational Efficient Refocusing and Estimation Method for Radar Moving Target With Unknown Time Information","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W2999399146","doi":"https://doi.org/10.1109/tci.2020.2964228","mag":"2999399146"},"language":"en","primary_location":{"id":"doi:10.1109/tci.2020.2964228","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tci.2020.2964228","pdf_url":null,"source":{"id":"https://openalex.org/S4210233665","display_name":"IEEE Transactions on Computational Imaging","issn_l":"2333-9403","issn":["2333-9403","2573-0436"],"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 Transactions on Computational Imaging","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/A5100371547","display_name":"Xiaolong Li","orcid":"https://orcid.org/0000-0002-5712-8772"},"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":"Xiaolong Li","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110052373","display_name":"Zhi Sun","orcid":"https://orcid.org/0000-0002-5307-9045"},"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":"Zhi Sun","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027037826","display_name":"Tat\u2010Soon Yeo","orcid":"https://orcid.org/0000-0002-0314-1621"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Tat Soon Yeo","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100371547"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":12.7711,"has_fulltext":false,"cited_by_count":52,"citation_normalized_percentile":{"value":0.98675099,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"6","issue":null,"first_page":"544","last_page":"557"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9976000189781189,"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/T14257","display_name":"Advanced Measurement and Detection Methods","score":0.9930999875068665,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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-vision","display_name":"Computer vision","score":0.6267537474632263},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5813249349594116},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5788760185241699},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5773245692253113},{"id":"https://openalex.org/keywords/radar-tracker","display_name":"Radar tracker","score":0.5315418243408203},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4811786115169525},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4751313030719757},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3615390956401825},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15261679887771606},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13129845261573792},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09174588322639465}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6267537474632263},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5813249349594116},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5788760185241699},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5773245692253113},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.5315418243408203},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4811786115169525},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4751313030719757},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3615390956401825},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15261679887771606},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13129845261573792},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09174588322639465},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tci.2020.2964228","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tci.2020.2964228","pdf_url":null,"source":{"id":"https://openalex.org/S4210233665","display_name":"IEEE Transactions on Computational Imaging","issn_l":"2333-9403","issn":["2333-9403","2573-0436"],"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 Transactions on Computational Imaging","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.6299999952316284}],"awards":[{"id":"https://openalex.org/G1780307051","display_name":null,"funder_award_id":"61801085","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G222719122","display_name":null,"funder_award_id":"2018M633352","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7738230065","display_name":null,"funder_award_id":"2019T120825","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W1491959797","https://openalex.org/W1528925668","https://openalex.org/W1973731344","https://openalex.org/W1985220763","https://openalex.org/W2012622138","https://openalex.org/W2015030141","https://openalex.org/W2019323783","https://openalex.org/W2050206299","https://openalex.org/W2063688614","https://openalex.org/W2064232121","https://openalex.org/W2075612852","https://openalex.org/W2086436307","https://openalex.org/W2088076032","https://openalex.org/W2111739656","https://openalex.org/W2114418710","https://openalex.org/W2127769464","https://openalex.org/W2133001976","https://openalex.org/W2145035134","https://openalex.org/W2152413864","https://openalex.org/W2157192675","https://openalex.org/W2159440746","https://openalex.org/W2165049638","https://openalex.org/W2324281119","https://openalex.org/W2325371505","https://openalex.org/W2345049101","https://openalex.org/W2396259021","https://openalex.org/W2524049303","https://openalex.org/W2538369214","https://openalex.org/W2578274110","https://openalex.org/W2587973946","https://openalex.org/W2588916991","https://openalex.org/W2757771685","https://openalex.org/W2765182077","https://openalex.org/W2765711406","https://openalex.org/W2786897816","https://openalex.org/W2809713602","https://openalex.org/W2884636455","https://openalex.org/W2891184255","https://openalex.org/W2896230130","https://openalex.org/W2901010110","https://openalex.org/W2910303558","https://openalex.org/W2912700782","https://openalex.org/W2930665236","https://openalex.org/W2943995390","https://openalex.org/W2945085599","https://openalex.org/W2963543535"],"related_works":["https://openalex.org/W2121524756","https://openalex.org/W2576994247","https://openalex.org/W2608353378","https://openalex.org/W4249206767","https://openalex.org/W782553550","https://openalex.org/W1987967678","https://openalex.org/W2563559453","https://openalex.org/W4313855562","https://openalex.org/W2091422131","https://openalex.org/W2742737769"],"abstract_inverted_index":{"In":[0],"the":[1,5,13,35,61,90,94,97,105,116,130,135,149,154,172,175],"real":[2,163],"application":[3],"scenario,":[4],"time":[6],"information":[7],"when":[8],"a":[9,43],"moving":[10,44],"target":[11,27,45,106],"enters/leaves":[12],"radar":[14,131,164],"coverage":[15],"is":[16,86,146],"often":[17],"unknown,":[18],"which":[19],"would":[20],"lead":[21],"to":[22,134,152,170],"severe":[23],"performance":[24,173],"loss":[25],"for":[26,42],"refocusing,":[28],"parameter":[29,95],"estimation":[30,40,155],"and":[31,37,55,78,103,123,162],"imaging.":[32],"We":[33],"address":[34],"refocusing":[36,63,68,113],"motion":[38],"parameters":[39],"problem":[41],"with":[46],"unknown":[47],"entry/departure":[48],"time,":[49,119],"involving":[50],"range":[51,125],"cell":[52],"migration":[53,58],"(RCM)":[54],"Doppler":[56],"frequency":[57],"(DFM)":[59],"within":[60],"coherent":[62],"period.":[64],"A":[65],"computationally":[66],"efficient":[67],"method":[69,100],"based":[70],"on":[71,148],"extended":[72],"generalized":[73],"Radon":[74],"Fourier":[75,81],"transform":[76,82],"(EGRFT)":[77],"window":[79],"Fractional":[80],"(WFRFT),":[83],"i.e.,":[84],"EGRFT-WFRFT,":[85],"proposed.":[87],"By":[88],"employing":[89],"four-dimensional":[91],"searching":[92],"in":[93,111],"space,":[96],"proposed":[98,176],"EGRFT-WFRFT":[99,182],"could":[101,126,183],"extract":[102],"match":[104],"signal":[107],"very":[108],"well,":[109],"resulting":[110],"good":[112],"output,":[114],"where":[115],"target's":[117,157],"entry":[118],"radial":[120],"acceleration,":[121],"velocity":[122],"initial":[124],"be":[127],"estimated.":[128],"Then":[129],"echoes":[132,151],"corresponding":[133],"\u201centry":[136],"time\u201d":[137],"are":[138,167],"extracted.":[139],"After":[140],"quadratic":[141],"phase":[142],"term":[143],"compensation,":[144],"WFRFT":[145],"performed":[147],"extracted":[150],"obtain":[153],"of":[156,174],"departure":[158],"time.":[159],"Numerical":[160],"experiments":[161],"dataset":[165],"processing":[166],"carried":[168],"out":[169],"evaluate":[171],"method.":[177],"The":[178],"results":[179],"show":[180],"that":[181],"achieve":[184],"superior":[185],"focusing":[186],"performance.":[187]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":10}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
