{"id":"https://openalex.org/W2582476738","doi":"https://doi.org/10.1109/lgrs.2017.2647962","title":"A New Distortion Correction Method for FMCW SAR Real-Time Imaging","display_name":"A New Distortion Correction Method for FMCW SAR Real-Time Imaging","publication_year":2017,"publication_date":"2017-01-27","ids":{"openalex":"https://openalex.org/W2582476738","doi":"https://doi.org/10.1109/lgrs.2017.2647962","mag":"2582476738"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2017.2647962","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2647962","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5090084015","display_name":"Chengfei Gu","orcid":"https://orcid.org/0000-0002-4765-9617"},"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":"Chengfei Gu","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-4765-9617","affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108623426","display_name":"Wenge Chang","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":"Wenge Chang","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100341792","display_name":"Xiangyang Li","orcid":"https://orcid.org/0000-0002-0934-0824"},"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":"Xiangyang Li","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027015019","display_name":"Gaowei Jia","orcid":"https://orcid.org/0000-0001-5786-6436"},"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":"Gaowei Jia","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110360741","display_name":"Xinqun Luan","orcid":null},"institutions":[{"id":"https://openalex.org/I4210140031","display_name":"Science and Technology on Surface Physics and Chemistry Laboratory","ror":"https://ror.org/0543q7s13","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210140031"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinqun Luan","raw_affiliation_strings":["Science and Technology on Near-Surface Detection Laboratory, Wuxi, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Near-Surface Detection Laboratory, Wuxi, China","institution_ids":["https://openalex.org/I4210140031"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":29.3567,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.99082958,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"14","issue":"3","first_page":"429","last_page":"433"},"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.998199999332428,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.6512706279754639},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6357417702674866},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5854291915893555},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5643578171730042},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5472670197486877},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.442270427942276},{"id":"https://openalex.org/keywords/early-warning-radar","display_name":"Early-warning radar","score":0.41493427753448486},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40001535415649414},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.3478754162788391},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1938856542110443},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.17386838793754578},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16423773765563965},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.1139812171459198}],"concepts":[{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.6512706279754639},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6357417702674866},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5854291915893555},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5643578171730042},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5472670197486877},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.442270427942276},{"id":"https://openalex.org/C71052889","wikidata":"https://www.wikidata.org/wiki/Q16905219","display_name":"Early-warning radar","level":5,"score":0.41493427753448486},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40001535415649414},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.3478754162788391},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1938856542110443},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.17386838793754578},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16423773765563965},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.1139812171459198},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2017.2647962","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2647962","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.4300000071525574,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G3585708573","display_name":null,"funder_award_id":"61501477","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1906724370","https://openalex.org/W1974386578","https://openalex.org/W1990951987","https://openalex.org/W2019814609","https://openalex.org/W2058705809","https://openalex.org/W2069364255","https://openalex.org/W2087683625","https://openalex.org/W2147517352","https://openalex.org/W2165085185","https://openalex.org/W2323419908","https://openalex.org/W2370443432","https://openalex.org/W2601034248","https://openalex.org/W6655346626"],"related_works":["https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2585813813","https://openalex.org/W2547621853","https://openalex.org/W2203702809","https://openalex.org/W1915418828","https://openalex.org/W1655692855","https://openalex.org/W2027415419","https://openalex.org/W2771003132"],"abstract_inverted_index":{"A":[0],"new":[1],"and":[2,89,124,131],"fast":[3],"approach":[4,115],"to":[5,41,74],"correct":[6],"distortion":[7,104],"between":[8,83],"the":[9,30,37,42,47,50,61,65,79,84,92,97,100,103,125,129,134],"airborne":[10],"frequency-modulated":[11],"continuous":[12],"wave":[13],"synthetic":[14],"aperture":[15],"radar":[16],"(FMCW":[17],"SAR)":[18],"real-time":[19,109],"images":[20],"is":[21,53,68,87],"proposed":[22,31,101,135],"in":[23,91],"this":[24],"letter.":[25],"The":[26,113],"main":[27],"idea":[28],"of":[29,49,99,133],"method":[32],"contains":[33],"two":[34],"parts.":[35],"First,":[36],"rotation":[38],"distortion,":[39],"according":[40],"adjacent":[43],"subimages":[44,86],"caused":[45],"by":[46,56,119],"selection":[48],"reference":[51],"trajectory,":[52],"efficiently":[54],"corrected":[55],"data":[57],"reposition.":[58],"Comparing":[59],"with":[60],"conventional":[62],"correction":[63,105,114],"technique,":[64],"time":[66],"consumption":[67],"dramatically":[69],"reduced":[70],"from":[71],"0.3":[72],"s":[73],"only":[75],"0.717":[76],"ms.":[77],"Second,":[78],"residual":[80],"offset":[81],"error":[82],"rotated":[85],"analyzed":[88],"compensated":[90],"first-step":[93],"motion":[94],"compensation.":[95],"With":[96],"application":[98],"method,":[102],"during":[106],"FMCW":[107,121],"SAR":[108,122],"imaging":[110],"becomes":[111],"realizable.":[112],"has":[116],"been":[117],"evaluated":[118],"an":[120],"system,":[123],"obtained":[126],"results":[127],"verify":[128],"feasibility":[130],"effectiveness":[132],"method.":[136]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
