{"id":"https://openalex.org/W3200251720","doi":"https://doi.org/10.1109/lgrs.2021.3095173","title":"Parameter Design and Imaging Method of Spaceborne Azimuth Interrupted FMCW SAR","display_name":"Parameter Design and Imaging Method of Spaceborne Azimuth Interrupted FMCW SAR","publication_year":2021,"publication_date":"2021-07-13","ids":{"openalex":"https://openalex.org/W3200251720","doi":"https://doi.org/10.1109/lgrs.2021.3095173","mag":"3200251720"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2021.3095173","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3095173","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/A5101760097","display_name":"Kang Liu","orcid":"https://orcid.org/0000-0003-2813-4951"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kang Liu","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-2813-4951","affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041569726","display_name":"Weidong Yu","orcid":"https://orcid.org/0000-0002-7803-6084"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weidong Yu","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020184101","display_name":"Jiyu Lv","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiyu Lv","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045975731","display_name":"Z. H. Tang","orcid":"https://orcid.org/0000-0002-8807-907X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhouyang Tang","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8807-907X","affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"School of Electronics, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.5332,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.96715148,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"19","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9983999729156494,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.8299325704574585},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.7386229038238525},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7269472479820251},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5976830720901489},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.5952536463737488},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5638322830200195},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.49318546056747437},{"id":"https://openalex.org/keywords/continuous-wave","display_name":"Continuous wave","score":0.4862186014652252},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.45526033639907837},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.4484423100948334},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3900616765022278},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37260329723358154},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32050758600234985},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2838537096977234},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.21792778372764587},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14741668105125427},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11462080478668213}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.8299325704574585},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7386229038238525},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7269472479820251},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5976830720901489},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.5952536463737488},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5638322830200195},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.49318546056747437},{"id":"https://openalex.org/C99568719","wikidata":"https://www.wikidata.org/wiki/Q1129003","display_name":"Continuous wave","level":3,"score":0.4862186014652252},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.45526033639907837},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.4484423100948334},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3900616765022278},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37260329723358154},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32050758600234985},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2838537096977234},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.21792778372764587},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14741668105125427},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11462080478668213},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2021.3095173","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3095173","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":[{"display_name":"Sustainable cities and communities","score":0.7699999809265137,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W161496579","https://openalex.org/W357677209","https://openalex.org/W2017412026","https://openalex.org/W2020111712","https://openalex.org/W2027231794","https://openalex.org/W2088909704","https://openalex.org/W2101128983","https://openalex.org/W2133665775","https://openalex.org/W2141631790","https://openalex.org/W2147517352","https://openalex.org/W2155111199","https://openalex.org/W2170608748","https://openalex.org/W2171647018","https://openalex.org/W2321585011","https://openalex.org/W2924141124","https://openalex.org/W2945484474","https://openalex.org/W3082158501","https://openalex.org/W3102043563","https://openalex.org/W3131152845","https://openalex.org/W4253920039","https://openalex.org/W6688674653"],"related_works":["https://openalex.org/W2610667600","https://openalex.org/W2540140465","https://openalex.org/W2124840667","https://openalex.org/W2152662390","https://openalex.org/W3209106042","https://openalex.org/W2541446858","https://openalex.org/W2120179300","https://openalex.org/W3200251720","https://openalex.org/W2114163126","https://openalex.org/W2189222195"],"abstract_inverted_index":{"Spaceborne":[0],"azimuth":[1],"interrupted":[2],"frequency":[3,38],"modulation":[4],"continuous":[5,32,40,63],"wave":[6,41],"(AI-FMCW)":[7],"synthetic":[8,88],"aperture":[9],"radar":[10,72],"(SAR),":[11],"known":[12],"as":[13,97],"a":[14,25,56,158,177],"novel":[15],"system":[16,153,184],"to":[17,28,50,130,168,172,196],"observe":[18],"the":[19,51,59,78,87,98,110,119,132,150,180,198],"characteristics":[20],"of":[21,61,76,149,179],"ground":[22],"objects,":[23],"employs":[24],"single":[26,52],"antenna":[27],"transmit":[29],"and":[30,81,156,187],"receive":[31],"waves,":[33],"thus":[34],"different":[35],"from":[36],"traditional":[37,93],"modulated":[39],"(FMCW)":[42],"SAR":[43,134,152,170,183,192],"that":[44,58],"needs":[45],"two":[46,142],"antennas.":[47],"However,":[48],"due":[49],"antenna,":[53],"there":[54,140],"is":[55,166,185],"phenomenon":[57],"transmitting":[60],"several":[62],"waves":[64],"could":[65],"be":[66],"unavailable":[67],"while":[68],"replaced":[69],"by":[70,114],"receiving":[71],"echoes.":[73],"The":[74],"process":[75],"switching":[77],"transmitter":[79],"ON":[80],"OFF":[82],"will":[83],"leave":[84],"gaps":[85],"in":[86,109],"aperture.":[89],"In":[90,137],"this":[91,123,138],"case,":[92],"imaging":[94,171],"algorithms":[95],"such":[96],"wavenumber":[99],"domain":[100],"algorithm":[101,129,165],"(WDA)":[102],"cannot":[103],"acquire":[104],"clear":[105],"focused":[106],"images,":[107],"resulting":[108],"blurred":[111],"ones":[112],"corrupted":[113],"ghost":[115,174],"targets.":[116,175],"To":[117],"solve":[118],"problem":[120],"mentioned":[121],"above,":[122],"letter":[124],"presents":[125],"an":[126],"image":[127,135],"restoration":[128],"improve":[131],"AI-FMCW":[133,151,169,182,191],"performance.":[136],"letter,":[139],"are":[141,154,194],"main":[143],"contributions:":[144],"1)":[145],"some":[146],"key":[147],"parameters":[148],"designed":[155],"2)":[157],"method":[159],"based":[160],"on":[161],"Richardson\u2013Lucy":[162],"(RL)":[163],"deconvolution":[164],"applied":[167],"suppress":[173],"Finally,":[176],"case":[178],"Ku-band":[181],"given,":[186],"experiments":[188],"via":[189],"simulated":[190],"data":[193],"conducted":[195],"validate":[197],"proposed":[199],"method.":[200]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}