{"id":"https://openalex.org/W4399145854","doi":"https://doi.org/10.1109/tgrs.2024.3406686","title":"A Novel High-Resolution ISAR Imaging Method for Large-Size Space Target in the Terahertz Band Based on Defocused PSF","display_name":"A Novel High-Resolution ISAR Imaging Method for Large-Size Space Target in the Terahertz Band Based on Defocused PSF","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4399145854","doi":"https://doi.org/10.1109/tgrs.2024.3406686"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2024.3406686","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3406686","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","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/A5068095410","display_name":"Bin Tang","orcid":"https://orcid.org/0000-0003-3190-9885"},"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":"Bin Tang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036881926","display_name":"Qi Yang","orcid":"https://orcid.org/0000-0002-3637-6232"},"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":"Qi Yang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100757644","display_name":"Hongqiang Wang","orcid":"https://orcid.org/0000-0003-0610-8445"},"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":"Hongqiang Wang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018318591","display_name":"Bin Deng","orcid":"https://orcid.org/0000-0002-0289-3469"},"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":"Bin Deng","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100819636","display_name":"Liu\u2010Xiao Yang","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":"Liuxiao Yang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101938032","display_name":"Jun Yi","orcid":"https://orcid.org/0000-0001-7714-764X"},"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":"Jun Yi","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology (NUDT), Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5068095410"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":1.1098,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7705618,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.996999979019165,"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"}},"topics":[{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.996999979019165,"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"}},{"id":"https://openalex.org/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","score":0.9800000190734863,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11637","display_name":"Advanced Semiconductor Detectors and Materials","score":0.9758999943733215,"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/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.7457135915756226},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.6848727464675903},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.629464328289032},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5523638129234314},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5319327116012573},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5183414220809937},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5156956315040588},{"id":"https://openalex.org/keywords/high-resolution","display_name":"High resolution","score":0.47330155968666077},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.41044169664382935},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3365013897418976},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.32278257608413696},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.158665269613266},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11392194032669067}],"concepts":[{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.7457135915756226},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.6848727464675903},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.629464328289032},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5523638129234314},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5319327116012573},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5183414220809937},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5156956315040588},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.47330155968666077},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.41044169664382935},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3365013897418976},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.32278257608413696},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.158665269613266},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11392194032669067}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2024.3406686","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3406686","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4051969872","display_name":null,"funder_award_id":"62035014","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4738215239","display_name":null,"funder_award_id":"62201591","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1609932045","https://openalex.org/W1722687920","https://openalex.org/W2012300893","https://openalex.org/W2016363695","https://openalex.org/W2017500911","https://openalex.org/W2024889414","https://openalex.org/W2025327910","https://openalex.org/W2049674095","https://openalex.org/W2053578309","https://openalex.org/W2067156558","https://openalex.org/W2073682504","https://openalex.org/W2075612852","https://openalex.org/W2099884627","https://openalex.org/W2102116272","https://openalex.org/W2102707018","https://openalex.org/W2103030298","https://openalex.org/W2110965352","https://openalex.org/W2133059825","https://openalex.org/W2164277818","https://openalex.org/W2188450901","https://openalex.org/W2318005815","https://openalex.org/W2466470195","https://openalex.org/W2808487395","https://openalex.org/W2914588954","https://openalex.org/W3034546011","https://openalex.org/W3038128765","https://openalex.org/W3111633888","https://openalex.org/W3202929022","https://openalex.org/W6796253787"],"related_works":["https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W2545123933","https://openalex.org/W1994788526","https://openalex.org/W2011609146","https://openalex.org/W1915418828","https://openalex.org/W2613451563","https://openalex.org/W1966299760"],"abstract_inverted_index":{"As":[0],"demand":[1],"for":[2,68,242],"precise":[3],"detection":[4],"of":[5,19,29,35,74,118,131,147,239],"space":[6,20,70,244],"targets":[7],"and":[8,38,63,80,145,158,166,229,237],"orbital":[9],"maintenance":[10],"increases,":[11],"it":[12,56],"is":[13,114,136,177,191,208,217],"crucial":[14],"to":[15,86,223],"obtain":[16],"high-resolution":[17,103],"images":[18],"targets.":[21],"The":[22],"terahertz":[23],"(THz)":[24],"radar":[25,52],"with":[26,42,151],"carrier":[27],"frequency":[28],"0.1-10":[30],"THz":[31,250],"has":[32,57],"the":[33,47,72,124,129,140,155,174,184,188,204,235,249],"characteristics":[34],"larger":[36],"bandwidth":[37],"shorter":[39],"wavelength":[40],"compared":[41],"microwave":[43],"radar.":[44],"Accordingly,":[45],"under":[46],"same":[48],"inverse":[49],"synthetic":[50],"aperture":[51],"(ISAR)":[53],"imaging":[54,105,127,135,247],"conditions,":[55],"advantages":[58],"in":[59,95,168,248],"both":[60],"range":[61,76,159],"resolution":[62,65,216],"azimuth":[64,81,215],"theoretically.":[66],"However,":[67],"large-size":[69,243],"targets,":[71],"phenomenon":[73],"high-order":[75,132,143],"cell":[77],"migration":[78],"(RCM)":[79],"phase":[82,206],"error":[83,207],"are":[84,163],"prone":[85],"occur":[87],"during":[88],"small-rotation-angle":[89],"(3-5\u00b0)":[90],"ISAR":[91,104,246],"imaging,":[92],"which":[93],"results":[94,233],"severe":[96],"imagery":[97],"defocusing.":[98],"In":[99],"this":[100],"article,":[101],"a":[102],"method":[106],"based":[107,210],"on":[108,123,134,211],"defocused":[109,148],"point":[110],"spread":[111],"function":[112],"(PSF)":[113],"proposed.":[115],"By":[116],"means":[117],"third-order":[119],"Taylor":[120],"expansion":[121],"performing":[122],"Range-Doppler":[125],"(RD)":[126],"model,":[128],"impact":[130],"terms":[133,144],"analyzed.":[137],"Through":[138],"revealing":[139],"relationship":[141],"between":[142],"inclination":[146],"PSF":[149],"measured":[150,231],"Hough":[152],"Transform":[153,181,200],"(HT),":[154],"rotation":[156,186],"velocity":[157],"center":[160],"deviation":[161],"(RCD)":[162],"estimated":[164,185],"accurately":[165],"independently":[167],"image":[169],"domain.":[170],"After":[171],"parameters":[172],"estimation,":[173],"first-order":[175],"RCM":[176,190],"corrected":[178],"by":[179,193,219],"Keystone":[180],"(KT).":[182],"Utilizing":[183],"velocity,":[187],"second-order":[189],"eliminated":[192],"Fast":[194,198],"Gaussian":[195],"Gridding":[196],"Nonuniform":[197],"Fourier":[199],"(FGG":[201],"NUFFT).":[202],"Then":[203],"spatial-variant":[205],"compensated":[209],"previous":[212],"estimation.":[213],"Lastly,":[214],"improved":[218],"FGG":[220],"NUFFT":[221],"due":[222],"non-uniformly":[224],"sampled":[225],"data.":[226],"Numerous":[227],"simulations":[228],"real":[230],"experimental":[232],"demonstrate":[234],"effectiveness":[236],"outperformance":[238],"proposed":[240],"algorithm":[241],"target":[245],"band.":[251]},"counts_by_year":[{"year":2025,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}