{"id":"https://openalex.org/W2894886584","doi":"https://doi.org/10.1109/tgrs.2018.2870299","title":"Background-Free Ground Moving Target Imaging for Multi-PRF Airborne SAR","display_name":"Background-Free Ground Moving Target Imaging for Multi-PRF Airborne SAR","publication_year":2018,"publication_date":"2018-10-04","ids":{"openalex":"https://openalex.org/W2894886584","doi":"https://doi.org/10.1109/tgrs.2018.2870299","mag":"2894886584"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2018.2870299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2018.2870299","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/A5069503569","display_name":"Guanghu Jin","orcid":"https://orcid.org/0000-0002-9564-5412"},"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":"Guanghu Jin","raw_affiliation_strings":["School of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-9564-5412","affiliations":[{"raw_affiliation_string":"School of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100631018","display_name":"Zhen Dong","orcid":"https://orcid.org/0000-0002-9917-7628"},"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":"Zhen Dong","raw_affiliation_strings":["School of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035049598","display_name":"Feng He","orcid":"https://orcid.org/0000-0003-3404-5445"},"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":"Feng He","raw_affiliation_strings":["School of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0003-3404-5445","affiliations":[{"raw_affiliation_string":"School of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103830712","display_name":"Anxi Yu","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":"Anxi Yu","raw_affiliation_strings":["School of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":10.8738,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.97835088,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":98},"biblio":{"volume":"57","issue":"4","first_page":"1949","last_page":"1962"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":1.0,"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":1.0,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.9991000294685364,"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/clutter","display_name":"Clutter","score":0.8200461864471436},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7142725586891174},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5655679702758789},{"id":"https://openalex.org/keywords/spectral-line","display_name":"Spectral line","score":0.538841962814331},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5329013466835022},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5126875638961792},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.5012423992156982},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.4859062731266022},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4851187467575073},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4694473445415497},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4608914256095886},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4600415825843811},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.43809181451797485},{"id":"https://openalex.org/keywords/moving-target-indication","display_name":"Moving target indication","score":0.4339528977870941},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4198286533355713},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.39549416303634644},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.39547544717788696},{"id":"https://openalex.org/keywords/pulse-doppler-radar","display_name":"Pulse-Doppler radar","score":0.25388163328170776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09194725751876831},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08776789903640747}],"concepts":[{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.8200461864471436},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7142725586891174},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5655679702758789},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.538841962814331},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5329013466835022},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5126875638961792},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.5012423992156982},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.4859062731266022},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4851187467575073},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4694473445415497},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4608914256095886},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4600415825843811},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.43809181451797485},{"id":"https://openalex.org/C162416716","wikidata":"https://www.wikidata.org/wiki/Q446180","display_name":"Moving target indication","level":5,"score":0.4339528977870941},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4198286533355713},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.39549416303634644},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.39547544717788696},{"id":"https://openalex.org/C139931591","wikidata":"https://www.wikidata.org/wiki/Q1029151","display_name":"Pulse-Doppler radar","level":4,"score":0.25388163328170776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09194725751876831},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08776789903640747},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2018.2870299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2018.2870299","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":[{"display_name":"Sustainable cities and communities","score":0.44999998807907104,"id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G3811045614","display_name":null,"funder_award_id":"61771478","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4147558002","display_name":null,"funder_award_id":"61501474","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":34,"referenced_works":["https://openalex.org/W53347652","https://openalex.org/W1965292958","https://openalex.org/W1982303641","https://openalex.org/W1986587640","https://openalex.org/W1994975612","https://openalex.org/W2025327910","https://openalex.org/W2036010390","https://openalex.org/W2050974333","https://openalex.org/W2065642904","https://openalex.org/W2067368921","https://openalex.org/W2084811488","https://openalex.org/W2088076032","https://openalex.org/W2109896001","https://openalex.org/W2117825474","https://openalex.org/W2154331202","https://openalex.org/W2158399880","https://openalex.org/W2168981431","https://openalex.org/W2171465915","https://openalex.org/W2172080481","https://openalex.org/W2248124113","https://openalex.org/W2295489709","https://openalex.org/W2318689348","https://openalex.org/W2337701225","https://openalex.org/W2342913866","https://openalex.org/W2460307245","https://openalex.org/W2467463267","https://openalex.org/W2482814851","https://openalex.org/W2554868331","https://openalex.org/W2559738867","https://openalex.org/W2613899401","https://openalex.org/W2617137513","https://openalex.org/W2617613820","https://openalex.org/W2962869717","https://openalex.org/W6602121817"],"related_works":["https://openalex.org/W2230756318","https://openalex.org/W2060933360","https://openalex.org/W4287877599","https://openalex.org/W2114489213","https://openalex.org/W1905797650","https://openalex.org/W254936539","https://openalex.org/W2027218115","https://openalex.org/W2792978743","https://openalex.org/W1523947614","https://openalex.org/W2102000673"],"abstract_inverted_index":{"Synthetic":[0],"aperture":[1],"radar":[2],"(SAR)":[3],"is":[4,41,127,186,211],"an":[5,193],"advanced":[6],"imaging":[7,19],"sensor":[8],"that":[9,131,152,173,221],"can":[10,134],"image":[11,210],"side-looking":[12],"terrain.":[13],"Until":[14],"now,":[15],"SAR":[16,68,181,205,209],"schemes":[17],"and":[18,43,87,139,163,177,202],"theories":[20],"have":[21],"been":[22],"researched":[23],"for":[24,55,70,121],"stationary":[25,29],"scenes.":[26],"Unlike":[27],"a":[28,36,46,61,82,183,189,197,203],"scene,":[30],"due":[31,101],"to":[32,102,129,160],"unknown":[33],"motion":[34],"parameters,":[35],"ground":[37],"moving":[38,184],"target":[39,185,191],"(GMT)":[40],"shifted":[42],"defocused":[44],"in":[45,52],"background":[47],"image,":[48],"which":[49],"causes":[50],"difficulties":[51],"their":[53,103],"use":[54],"further":[56],"applications.":[57],"This":[58],"paper":[59],"proposes":[60],"multiple":[62],"pulse":[63,84],"repetition":[64,85],"frequency":[65],"(PRF)":[66],"airborne":[67],"scheme":[69],"background-free":[71],"GMT":[72,111,148,166,176,180],"imaging.":[73],"In":[74,141],"the":[75,117,122,132,144,147,154,165,170,175,214,225],"proposed":[76,128,239],"scheme,":[77],"pulses":[78],"are":[79,89,158,222],"transmitted":[80],"by":[81],"nonuniform":[83],"time,":[86],"echoes":[88],"divided":[90],"into":[91],"groups":[92],"with":[93,98,196,213,217],"different":[94,99],"PRFs.":[95],"For":[96,179],"spectra":[97,106,112,133,149,167,172],"PRFs,":[100],"diverse":[104],"respective":[105],"extending":[107,110],"periods,":[108],"periodical":[109],"will":[113],"not":[114],"appear":[115],"at":[116],"same":[118],"location":[119,150],"except":[120],"original":[123],"spectra.":[124],"A":[125],"theorem":[126],"prove":[130],"be":[135],"extracted":[136],"intact,":[137],"undistorted,":[138],"unpolluted.":[140],"light":[142],"of":[143,146,153,169],"divergence":[145],"from":[151,224,231],"clutter,":[155],"filter":[156],"banks":[157],"designed":[159],"locate,":[161],"extract,":[162],"reconstruct":[164],"out":[168],"mixed":[171],"contain":[174],"clutter.":[178],"imaging,":[182],"regarded":[187],"as":[188],"steady":[190],"under":[192],"equivalent":[194,199,218],"geometry":[195,219],"new":[198,204],"squint":[200],"angle":[201],"platform":[206],"velocity.":[207],"The":[208],"obtained":[212,230],"range-Doppler":[215],"algorithm":[216],"parameters":[220],"estimated":[223],"Doppler":[226],"parameters.":[227],"Experimental":[228],"results":[229],"using":[232],"extensive":[233],"numerical":[234],"simulated":[235],"data":[236],"validate":[237],"our":[238],"approach.":[240]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2}],"updated_date":"2026-08-28T12:50:07.497085","created_date":"2025-10-10T00:00:00"}