{"id":"https://openalex.org/W4388019223","doi":"https://doi.org/10.1109/lgrs.2023.3328384","title":"An Azimuth Ambiguity Suppression Method Based on Ambiguity Focusing for SAR-GMTI","display_name":"An Azimuth Ambiguity Suppression Method Based on Ambiguity Focusing for SAR-GMTI","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4388019223","doi":"https://doi.org/10.1109/lgrs.2023.3328384"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2023.3328384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3328384","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/A5101912326","display_name":"Yuwei Ren","orcid":"https://orcid.org/0000-0001-7610-2538"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"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"]},{"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":true,"raw_author_name":"Yuwei Ren","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","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/A5101746127","display_name":"Mingjie Zheng","orcid":"https://orcid.org/0000-0002-0122-5629"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","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":"Mingjie Zheng","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083459013","display_name":"Zhongzheng Yin","orcid":null},"institutions":[{"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"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongzheng Yin","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Institute of Aerospace Information Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","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"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101912326"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199","https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":2.2059,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.88811276,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":"20","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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9973000288009644,"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":0.9900000095367432,"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/azimuth","display_name":"Azimuth","score":0.8474732041358948},{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.8100383281707764},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7514317631721497},{"id":"https://openalex.org/keywords/moving-target-indication","display_name":"Moving target indication","score":0.7022834420204163},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6955406665802002},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5094545483589172},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43927115201950073},{"id":"https://openalex.org/keywords/ambiguity-resolution","display_name":"Ambiguity resolution","score":0.41723811626434326},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.40217357873916626},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3893877863883972},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.36240267753601074},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.1782837212085724},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1732599139213562},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1551634967327118},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15315911173820496},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1097666323184967}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8474732041358948},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.8100383281707764},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7514317631721497},{"id":"https://openalex.org/C162416716","wikidata":"https://www.wikidata.org/wiki/Q446180","display_name":"Moving target indication","level":5,"score":0.7022834420204163},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6955406665802002},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5094545483589172},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43927115201950073},{"id":"https://openalex.org/C2777559092","wikidata":"https://www.wikidata.org/wiki/Q4741445","display_name":"Ambiguity resolution","level":4,"score":0.41723811626434326},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.40217357873916626},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3893877863883972},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.36240267753601074},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.1782837212085724},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1732599139213562},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1551634967327118},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15315911173820496},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1097666323184967},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.0},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2023.3328384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2023.3328384","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2061438449","https://openalex.org/W2070939670","https://openalex.org/W2315851303","https://openalex.org/W2560767099","https://openalex.org/W2792978743","https://openalex.org/W2988525645","https://openalex.org/W3003275046","https://openalex.org/W3012461883","https://openalex.org/W4296437667"],"related_works":["https://openalex.org/W2804218594","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W1960555459","https://openalex.org/W1990133221","https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296","https://openalex.org/W2081203575"],"abstract_inverted_index":{"Ground":[0],"moving":[1,46,56,116],"target":[2,47,117],"indication":[3],"(GMTI)":[4],"is":[5,109,118,136],"one":[6],"of":[7,11,45,76,132],"the":[8,18,25,37,43,66,74,106,112,115,121,130,133,141],"important":[9],"applications":[10],"synthetic":[12],"aperture":[13],"radar":[14],"(SAR).":[15],"Due":[16],"to":[17,72,111],"finite":[19],"pulse":[20],"sampling":[21],"rate":[22],"in":[23,29,68],"azimuth,":[24],"azimuth":[26,84,91],"ambiguity":[27,51,67,85,97],"appears":[28],"spaceborne":[30],"SAR":[31],"systems,":[32],"which":[33,58],"not":[34],"only":[35],"reduces":[36],"image":[38],"quality,":[39],"but":[40],"also":[41],"affects":[42],"accuracy":[44],"detection.":[48],"The":[49],"existing":[50,77],"suppression":[52,86],"methods":[53],"cannot":[54,64],"retain":[55],"targets":[57],"are":[59],"overlapped":[60,119],"with":[61,120],"ambiguity,":[62,107,122],"or":[63],"suppress":[65,105],"SAR-GMTI.":[69,100],"In":[70],"order":[71,127],"overcome":[73],"shortcomings":[75],"methods,":[78],"this":[79],"letter":[80],"proposes":[81],"an":[82],"effective":[83],"method":[87,102,135],"based":[88],"on":[89,144],"local":[90],"ambiguity-to-signal":[92],"ratio":[93],"(AASR)":[94],"estimation":[95],"and":[96,108,125,138],"focusing":[98],"for":[99],"This":[101],"can":[103],"effectively":[104],"applicable":[110],"situations":[113],"where":[114],"large":[123],"scenes":[124],"higher":[126],"ambiguity.":[128],"Finally,":[129],"effectiveness":[131],"proposed":[134],"verified":[137],"demonstrated":[139],"by":[140],"experimental":[142],"results":[143],"GaoFen-3":[145],"SAR.":[146]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}