{"id":"https://openalex.org/W2516269052","doi":"https://doi.org/10.1109/lgrs.2016.2598066","title":"A Novel Imaging Algorithm for Focusing High-Resolution Spaceborne SAR Data in Squinted Sliding-Spotlight Mode","display_name":"A Novel Imaging Algorithm for Focusing High-Resolution Spaceborne SAR Data in Squinted Sliding-Spotlight Mode","publication_year":2016,"publication_date":"2016-08-25","ids":{"openalex":"https://openalex.org/W2516269052","doi":"https://doi.org/10.1109/lgrs.2016.2598066","mag":"2516269052"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2016.2598066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2598066","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":null,"display_name":"Jie Chen","orcid":"https://orcid.org/0000-0001-8341-1849"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jie Chen","raw_affiliation_strings":["School of Electronic and Information Engineering, Collaborative Innovation Center of Geospatial Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0001-8341-1849","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Collaborative Innovation Center of Geospatial Technology, Wuhan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100631305","display_name":"Hui Kuang","orcid":"https://orcid.org/0000-0002-8045-3901"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Kuang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110139048","display_name":"Wei Yang","orcid":"https://orcid.org/0000-0002-8045-3901"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Yang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8045-3901","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062908102","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0003-2968-2888"},"institutions":[{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Wei Liu","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield, U.K","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100704036","display_name":"Pengbo Wang","orcid":"https://orcid.org/0000-0002-6364-9806"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengbo Wang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":64.9503,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.99630463,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"10","first_page":"1577","last_page":"1581"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9987999796867371,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9846000075340271,"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/azimuth","display_name":"Azimuth","score":0.8849954009056091},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7311804294586182},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6704696416854858},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.6052229404449463},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.476428359746933},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.4675625264644623},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4631371796131134},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.43158793449401855},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4254080057144165},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.36842456459999084},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3384299874305725},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3211013078689575},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3150109648704529},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.273512601852417},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.20434778928756714},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.1620648205280304},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14591196179389954},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12133291363716125},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11787670850753784}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8849954009056091},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7311804294586182},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6704696416854858},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.6052229404449463},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.476428359746933},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.4675625264644623},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4631371796131134},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.43158793449401855},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4254080057144165},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.36842456459999084},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3384299874305725},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3211013078689575},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3150109648704529},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.273512601852417},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.20434778928756714},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.1620648205280304},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14591196179389954},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12133291363716125},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11787670850753784},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2016.2598066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2598066","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"},{"id":"pmh:oai:eprints.whiterose.ac.uk:103034","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400854","display_name":"White Rose Research Online (University of Leeds, The University of Sheffield, University of York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2800616092","host_organization_name":"White Rose University Consortium","host_organization_lineage":["https://openalex.org/I2800616092"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8299999833106995}],"awards":[{"id":"https://openalex.org/G4193178343","display_name":"SAR\u4fe1\u606f\u4e00\u4f53\u5316\u5904\u7406\u4e0e\u73af\u5883\u53c2\u6570\u53cd\u6f14","funder_award_id":"61132006","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8860664836","display_name":"\u957f\u6ce2\u957f\u661f\u8f7d\u68ee\u6797\u751f\u7269\u91cf\u89c2\u6d4bSAR\u7535\u79bb\u5c42\u6548\u5e94\u8865\u507f\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61171123","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":17,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W823515622","https://openalex.org/W1946178501","https://openalex.org/W2011673809","https://openalex.org/W2029550309","https://openalex.org/W2042706080","https://openalex.org/W2049734132","https://openalex.org/W2065642904","https://openalex.org/W2075543610","https://openalex.org/W2100123951","https://openalex.org/W2120024360","https://openalex.org/W2134062774","https://openalex.org/W2135228726","https://openalex.org/W2138038546","https://openalex.org/W2165085185","https://openalex.org/W2243630109","https://openalex.org/W2334869274"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W1998424290","https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296","https://openalex.org/W2081203575","https://openalex.org/W2096748030","https://openalex.org/W3016428515"],"abstract_inverted_index":{"To":[0],"process":[1],"squinted":[2],"sliding-spotlight":[3],"synthetic":[4],"aperture":[5],"radar":[6],"data,":[7],"the":[8,14,27,43,47,60,63,70,74,79,84,88,115,124,128,132,139],"azimuth":[9,34,44,80,108],"preprocessing":[10],"step":[11],"based":[12,113],"on":[13,114],"linear":[15],"range":[16,104,134],"walk":[17],"correction":[18],"(LRWC)":[19],"and":[20,33,141],"derotation":[21],"operations":[22],"is":[23,53,66,100,120,150],"implemented":[24],"to":[25,83,102,122],"eliminate":[26],"effect":[28],"of":[29,62,73,117,127],"2-D":[30,64],"spectrum":[31,65],"skew":[32],"spectral":[35],"aliasing.":[36],"However,":[37],"two":[38],"key":[39],"issues":[40],"arise":[41],"from":[42],"preprocessing.":[45],"First,":[46],"traditional":[48],"chirp":[49],"scaling":[50],"(CS)":[51],"kernel":[52,99],"not":[54],"suitable":[55],"for":[56],"data":[57],"focusing":[58],"because":[59],"property":[61],"changed":[67],"significantly;":[68],"second,":[69],"spatial":[71,109],"variation":[72,110],"targets'":[75],"Doppler":[76,125],"rates":[77,126],"along":[78],"direction":[81],"due":[82],"LRWC":[85],"operation":[86],"limits":[87],"depth-of-azimuth-focus":[89],"(DOAF)":[90],"seriously.":[91],"In":[92],"this":[93],"letter,":[94],"a":[95,146],"modified":[96],"accurate":[97],"CS":[98,119],"derived":[101],"realize":[103],"compensation.":[105],"Then,":[106],"an":[107],"removing":[111],"method":[112],"principle":[116],"nonlinear":[118],"proposed":[121],"equalize":[123],"targets":[129],"located":[130],"at":[131],"same":[133],"cell,":[135],"which":[136],"can":[137],"extend":[138],"DOAF":[140],"improve":[142],"processing":[143],"efficiency.":[144],"Finally,":[145],"novel":[147],"imaging":[148],"algorithm":[149],"proposed,":[151],"with":[152],"its":[153],"effectiveness":[154],"demonstrated":[155],"by":[156],"simulation":[157],"results.":[158]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}