{"id":"https://openalex.org/W3141360203","doi":"https://doi.org/10.1109/jstars.2021.3068573","title":"Radial Velocity Estimation of Ships on Open Sea in the Azimuth Multichannel SAR System","display_name":"Radial Velocity Estimation of Ships on Open Sea in the Azimuth Multichannel SAR System","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3141360203","doi":"https://doi.org/10.1109/jstars.2021.3068573","mag":"3141360203"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2021.3068573","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3068573","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/9314330/09385842.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/ielx7/4609443/9314330/09385842.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101567133","display_name":"Junying Yang","orcid":"https://orcid.org/0000-0002-3359-7486"},"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":"Junying Yang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3359-7486","affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Electronic, 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/A5110484098","display_name":"Xiaolan Qiu","orcid":"https://orcid.org/0000-0002-8517-3415"},"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":"Xiaolan Qiu","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8517-3415","affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Electronic, 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/A5059508445","display_name":"Mingyang Shang","orcid":"https://orcid.org/0000-0002-0900-3967"},"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":"Mingyang Shang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0900-3967","affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Electronic, 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/A5079895513","display_name":"Shouye Lv","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shouye Lv","raw_affiliation_strings":["Institute of Remote Sensing Information, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing Information, Beijing, China","institution_ids":["https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101798842","display_name":"Lihua Zhong","orcid":"https://orcid.org/0000-0002-2573-0101"},"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":"Lihua Zhong","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101193014","display_name":"Chibiao Ding","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"]},{"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":"Chibiao Ding","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","National Key Laboratory of Microwave Imaging Technology, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Key Laboratory of Microwave Imaging Technology, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"School of Electronic, 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":4,"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":11.8027,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.97637455,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"14","issue":null,"first_page":"3787","last_page":"3798"},"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":0.9991000294685364,"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"}},{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9983999729156494,"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/computer-science","display_name":"Computer science","score":0.7811260223388672},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.7796306610107422},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7137159705162048},{"id":"https://openalex.org/keywords/phase-center","display_name":"Phase center","score":0.5625442862510681},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5330184102058411},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.48981258273124695},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.45643460750579834},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.43712812662124634},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4046213924884796},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3754844069480896},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3573147654533386},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.19789063930511475},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19093814492225647},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1411004364490509},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10918030142784119},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.09824809432029724}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7811260223388672},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7796306610107422},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7137159705162048},{"id":"https://openalex.org/C7615733","wikidata":"https://www.wikidata.org/wiki/Q2085398","display_name":"Phase center","level":3,"score":0.5625442862510681},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5330184102058411},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.48981258273124695},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.45643460750579834},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.43712812662124634},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4046213924884796},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3754844069480896},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3573147654533386},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.19789063930511475},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19093814492225647},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1411004364490509},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10918030142784119},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.09824809432029724},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2021.3068573","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3068573","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/9314330/09385842.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:4c4f43eb73734bf6abe1ff7e25d25a40","is_oa":true,"landing_page_url":"https://doaj.org/article/4c4f43eb73734bf6abe1ff7e25d25a40","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 3787-3798 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2021.3068573","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3068573","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/9314330/09385842.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":[{"display_name":"Life below water","score":0.8500000238418579,"id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G6137187691","display_name":null,"funder_award_id":"61725105.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G796721411","display_name":null,"funder_award_id":"61991421","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3141360203.pdf","grobid_xml":"https://content.openalex.org/works/W3141360203.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1985053641","https://openalex.org/W1986748469","https://openalex.org/W1999846783","https://openalex.org/W2002558120","https://openalex.org/W2024796374","https://openalex.org/W2027538543","https://openalex.org/W2048510784","https://openalex.org/W2049430141","https://openalex.org/W2056210040","https://openalex.org/W2085431229","https://openalex.org/W2087822659","https://openalex.org/W2093631663","https://openalex.org/W2097233876","https://openalex.org/W2110965352","https://openalex.org/W2117573777","https://openalex.org/W2117631572","https://openalex.org/W2139520547","https://openalex.org/W2140990782","https://openalex.org/W2141325030","https://openalex.org/W2142653080","https://openalex.org/W2147016563","https://openalex.org/W2244389649","https://openalex.org/W2587982828","https://openalex.org/W2608561007","https://openalex.org/W2738121989","https://openalex.org/W2791341808","https://openalex.org/W2977680826","https://openalex.org/W3023218716","https://openalex.org/W3072378821","https://openalex.org/W3214953536","https://openalex.org/W4205135756","https://openalex.org/W6684391177"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2483195039","https://openalex.org/W2281797687","https://openalex.org/W2358411735","https://openalex.org/W2048211457","https://openalex.org/W4250650723","https://openalex.org/W2611761074","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2140990782"],"abstract_inverted_index":{"The":[0,180],"azimuth":[1,37],"multichannel":[2,38],"synthetic":[3],"aperture":[4],"radar":[5],"(SAR)":[6],"system":[7],"can":[8],"meet":[9],"the":[10,22,25,36,52,55,65,77,82,93,96,103,116,126,132,141,149,155,163,171,175,183,195,198,217,222,226],"requirements":[11],"of":[12,24,86,108,118,125,182,197,221,228],"high":[13,192],"resolution":[14],"and":[15,49,68,136,168,174,191,205,225],"wide":[16],"swath":[17],"(HRWS)":[18],"simultaneously,":[19],"which":[20],"overcomes":[21],"constraint":[23],"traditional":[26,97],"single-channel":[27],"SAR.":[28],"However,":[29,80],"for":[30,73],"a":[31,87],"moving":[32,69],"target":[33,70,142],"illuminated":[34],"by":[35],"SAR":[39],"system,":[40],"its":[41],"radial":[42,56],"velocity":[43,57,98,119,150,218],"will":[44],"lead":[45],"to":[46],"ambiguous":[47],"components":[48],"mislocation":[50],"in":[51,63,102,162],"image.":[53],"Therefore,":[54],"estimation":[58,99,120,130,151,219],"plays":[59],"an":[60,113],"important":[61],"role":[62],"improving":[64],"image":[66,104],"quality":[67],"relocation,":[71],"especially":[72],"large":[74],"ships":[75],"on":[76],"open":[78],"sea.":[79],"as":[81],"pulse":[83],"repetition":[84],"frequency":[85,177],"single":[88],"channel":[89,229],"is":[90,121,138,200],"less":[91],"than":[92],"Doppler":[94,164],"spectrum,":[95],"methods":[100,199,224],"working":[101],"domain":[105,165],"are":[106,166,186],"out":[107],"action.":[109],"This":[110],"article":[111,215],"suggests":[112],"idea":[114],"that":[115,124,140],"issue":[117],"converted":[122],"into":[123],"linear":[127,133,156],"phase":[128,157],"errors":[129],"combining":[131],"fitting":[134],"method,":[135],"it":[137],"assumed":[139],"has":[143],"been":[144],"already":[145],"detected":[146],"before":[147],"applying":[148],"algorithms.":[152],"To":[153],"estimate":[154],"errors,":[158],"two":[159,223],"algorithms":[160],"operating":[161],"introduced":[167],"compared,":[169],"namely":[170],"subspace-based":[172],"method":[173],"modified":[176],"correlation":[178],"method.":[179],"advantages":[181],"proposed":[184],"approaches":[185],"free":[187],"from":[188,209],"iteration":[189],"operation":[190],"accuracy.":[193],"Besides,":[194],"effectiveness":[196],"demonstrated":[201],"via":[202],"simulation":[203],"data":[204,208],"GaoFen-3":[206],"real":[207],"ultra-fine":[210],"stripmap":[211],"mode.":[212],"Finally,":[213],"this":[214],"analyzes":[216],"accuracy":[220],"influence":[227],"imbalance":[230],"through":[231],"substantial":[232],"experiments.":[233]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}
