{"id":"https://openalex.org/W3022399136","doi":"https://doi.org/10.1109/jstars.2020.2986862","title":"Processing of Very High Resolution GF-3 SAR Spotlight Data With Non-Start\u2013Stop Model and Correction of Curved Orbit","display_name":"Processing of Very High Resolution GF-3 SAR Spotlight Data With Non-Start\u2013Stop Model and Correction of Curved Orbit","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3022399136","doi":"https://doi.org/10.1109/jstars.2020.2986862","mag":"3022399136"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2020.2986862","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.2986862","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09088224.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09088224.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024858447","display_name":"Da Liang","orcid":"https://orcid.org/0000-0002-9092-5298"},"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":"Da Liang","raw_affiliation_strings":["School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9092-5298","affiliations":[{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100755138","display_name":"Heng Zhang","orcid":"https://orcid.org/0000-0003-3635-5826"},"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":"Heng Zhang","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3635-5826","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086602671","display_name":"Tingzhu Fang","orcid":"https://orcid.org/0000-0002-9194-5370"},"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":"Tingzhu Fang","raw_affiliation_strings":["School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9194-5370","affiliations":[{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108514262","display_name":"Yunkai Deng","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":"Yunkai Deng","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weidong Yu","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100731323","display_name":"Lei Zhang","orcid":"https://orcid.org/0000-0001-5797-5480"},"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":"Lei Zhang","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, 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/A5044564436","display_name":"Huaitao Fan","orcid":"https://orcid.org/0000-0002-8041-5358"},"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":"Huaitao Fan","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8041-5358","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":20.477,"has_fulltext":true,"cited_by_count":22,"citation_normalized_percentile":{"value":0.98630557,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":null,"first_page":"2112","last_page":"2122"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9997000098228455,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9882000088691711,"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/aliasing","display_name":"Aliasing","score":0.8622382879257202},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7595670819282532},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.7345284223556519},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6279168725013733},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5703904628753662},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5016870498657227},{"id":"https://openalex.org/keywords/orbit","display_name":"Orbit (dynamics)","score":0.4830839931964874},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.44422945380210876},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3122885227203369},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.25886887311935425},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.24491390585899353},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21654155850410461},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12753677368164062},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.1134466826915741},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07933953404426575}],"concepts":[{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.8622382879257202},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7595670819282532},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7345284223556519},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6279168725013733},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5703904628753662},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5016870498657227},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.4830839931964874},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.44422945380210876},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3122885227203369},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.25886887311935425},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.24491390585899353},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21654155850410461},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12753677368164062},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.1134466826915741},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07933953404426575},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2020.2986862","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.2986862","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09088224.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f124487d4f2348929fa55d3cb29a4f89","is_oa":false,"landing_page_url":"https://doaj.org/article/f124487d4f2348929fa55d3cb29a4f89","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 2112-2122 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2020.2986862","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.2986862","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09088224.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1266425772","display_name":null,"funder_award_id":"2017YFB0502700","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3022399136.pdf","grobid_xml":"https://content.openalex.org/works/W3022399136.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W599284720","https://openalex.org/W1979869589","https://openalex.org/W2011673809","https://openalex.org/W2038324166","https://openalex.org/W2049734132","https://openalex.org/W2051188981","https://openalex.org/W2068281797","https://openalex.org/W2070538293","https://openalex.org/W2079299474","https://openalex.org/W2091862395","https://openalex.org/W2106627612","https://openalex.org/W2110800338","https://openalex.org/W2126421815","https://openalex.org/W2127623318","https://openalex.org/W2127899614","https://openalex.org/W2138038546","https://openalex.org/W2138190376","https://openalex.org/W2138542190","https://openalex.org/W2138863700","https://openalex.org/W2156368184","https://openalex.org/W2158116046","https://openalex.org/W2161208433","https://openalex.org/W2165085185","https://openalex.org/W2166947456","https://openalex.org/W2290909331","https://openalex.org/W2295638465","https://openalex.org/W2326824922","https://openalex.org/W2752735124","https://openalex.org/W2755656194","https://openalex.org/W2765498694","https://openalex.org/W2772088872","https://openalex.org/W2788346078","https://openalex.org/W2789830462","https://openalex.org/W2790745809","https://openalex.org/W2791341808","https://openalex.org/W2792978743","https://openalex.org/W2806116673","https://openalex.org/W2951503817"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W1998424290","https://openalex.org/W2737435612","https://openalex.org/W2764312774","https://openalex.org/W2143399072","https://openalex.org/W1548763670","https://openalex.org/W2773939279","https://openalex.org/W2775106065","https://openalex.org/W2087822659"],"abstract_inverted_index":{"A":[0],"novel":[1],"imaging":[2,44],"algorithm":[3,115,125],"is":[4,61,86,133,143,162,172],"presented":[5],"in":[6,29,80,164],"this":[7],"article":[8],"for":[9],"focusing":[10],"the":[11,74,117,123,128,151,156,165,170,176,180,184,204,207],"very":[12],"high":[13,138],"resolution":[14,55,72],"spaceborne":[15,194],"synthetic":[16,26],"aperture":[17,27],"radar":[18],"(SAR)":[19],"data":[20,196],"of":[21,73,131,159,187,193,206],"spotlight":[22,30],"mode.":[23],"The":[24,43,64,83,113,190],"long":[25],"time":[28],"mode":[31],"brings":[32],"new":[33],"problems,":[34],"such":[35],"as":[36],"Doppler":[37,58,152],"spectrum":[38,59,153],"aliasing":[39,60],"and":[40,51,76,98,105,122,183],"curved":[41,68,181],"orbit.":[42],"results":[45,192],"will":[46,70,102],"be":[47],"filled":[48],"with":[49],"ambiguity":[50],"would":[52],"suffer":[53],"from":[54],"reduction":[56],"if":[57,110],"not":[62,111],"handled.":[63,112],"error":[65,177],"introduced":[66,178],"by":[67,179,198],"orbit":[69,182],"degrade":[71],"target":[75],"introduces":[77,92],"asymmetric":[78],"sidelobes":[79],"azimuth":[81,107,139],"direction.":[82],"start-stop":[84,160,188],"approximation":[85,161],"no":[87],"longer":[88],"applicable,":[89],"since":[90],"it":[91],"two":[93],"effect,":[94,100],"e.g.,":[95],"\u201cfast-time\u201d":[96,157],"effect":[97,158,186],"\u201cslow-time\u201d":[99,185],"which":[101,142],"cause":[103],"defocusing":[104],"range-dependent":[106],"shift,":[108],"respectively":[109],"proposed":[114,208],"combines":[116],"two-steps":[118],"processing":[119],"approach":[120],"(TSPA)":[121],"backprojection":[124],"(BPA).":[126],"First,":[127],"initial":[129],"step":[130],"TSPA":[132],"used":[134,173],"to":[135,149,174],"get":[136],"a":[137],"sampling":[140],"rate":[141],"higher":[144],"than":[145],"pulse":[146],"repetition":[147],"frequency":[148,167],"avoid":[150],"aliasing.":[154],"Then,":[155],"corrected":[163],"2-D":[166],"domain.":[168],"Finally,":[169],"BPA":[171],"correct":[175],"approximation.":[189],"experimental":[191],"SAR":[195,201],"acquired":[197],"Gaofen-3":[199],"(GF-3)":[200],"system":[202],"demonstrate":[203],"feasibility":[205],"algorithm.":[209]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
