{"id":"https://openalex.org/W4312425375","doi":"https://doi.org/10.1109/tgrs.2022.3226221","title":"Study on Airborne Near-Nadir TOPS SAR Imaging With Attitude Angle Error","display_name":"Study on Airborne Near-Nadir TOPS SAR Imaging With Attitude Angle Error","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4312425375","doi":"https://doi.org/10.1109/tgrs.2022.3226221"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2022.3226221","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2022.3226221","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5100452589","display_name":"Han Li","orcid":"https://orcid.org/0000-0002-4469-2606"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Han Li","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4469-2606","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033851933","display_name":"Zhiyong Suo","orcid":"https://orcid.org/0000-0002-5784-4031"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyong Suo","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-5784-4031","affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089862296","display_name":"Chengxin Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210105312","display_name":"Shanghai Power Equipment Research Institute","ror":"https://ror.org/01pw44479","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210105312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengxin Zheng","raw_affiliation_strings":["Shanghai Radio Equipment Research Institute, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Radio Equipment Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210105312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100753715","display_name":"Jinqiang Zhang","orcid":"https://orcid.org/0000-0003-2785-8755"},"institutions":[{"id":"https://openalex.org/I4210105312","display_name":"Shanghai Power Equipment Research Institute","ror":"https://ror.org/01pw44479","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210105312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinqiang Zhang","raw_affiliation_strings":["Shanghai Radio Equipment Research Institute, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-2785-8755","affiliations":[{"raw_affiliation_string":"Shanghai Radio Equipment Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210105312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012208619","display_name":"Zhenfang Li","orcid":"https://orcid.org/0009-0005-0112-718X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenfang Li","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100452589"],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":null,"apc_paid":null,"fwci":0.9793,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.75420037,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"60","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"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":0.9993000030517578,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.7926522493362427},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6936888098716736},{"id":"https://openalex.org/keywords/nadir","display_name":"Nadir","score":0.6924019455909729},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.470638245344162},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4590413272380829},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4167732298374176},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4149845242500305},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.25442320108413696},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20208048820495605},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.18422511219978333},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14090496301651}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7926522493362427},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6936888098716736},{"id":"https://openalex.org/C88575799","wikidata":"https://www.wikidata.org/wiki/Q145825","display_name":"Nadir","level":3,"score":0.6924019455909729},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.470638245344162},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4590413272380829},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4167732298374176},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4149845242500305},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.25442320108413696},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20208048820495605},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.18422511219978333},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14090496301651},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2022.3226221","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2022.3226221","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8799999952316284,"display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G5607096474","display_name":null,"funder_award_id":"62031005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G774345961","display_name":null,"funder_award_id":"61671355","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":41,"referenced_works":["https://openalex.org/W1988807196","https://openalex.org/W1991540602","https://openalex.org/W2015089650","https://openalex.org/W2019730559","https://openalex.org/W2026584598","https://openalex.org/W2030810360","https://openalex.org/W2039426204","https://openalex.org/W2047091964","https://openalex.org/W2076429717","https://openalex.org/W2081057617","https://openalex.org/W2084287660","https://openalex.org/W2089131127","https://openalex.org/W2106627612","https://openalex.org/W2126464026","https://openalex.org/W2130928328","https://openalex.org/W2136889516","https://openalex.org/W2138752495","https://openalex.org/W2145808318","https://openalex.org/W2151786616","https://openalex.org/W2152183234","https://openalex.org/W2153884633","https://openalex.org/W2155515193","https://openalex.org/W2156606791","https://openalex.org/W2157039107","https://openalex.org/W2158898891","https://openalex.org/W2163794045","https://openalex.org/W2285269654","https://openalex.org/W2317513330","https://openalex.org/W2366117834","https://openalex.org/W2501210789","https://openalex.org/W2516269052","https://openalex.org/W2543755272","https://openalex.org/W2767812877","https://openalex.org/W2780484492","https://openalex.org/W2903436007","https://openalex.org/W2974242327","https://openalex.org/W2980372330","https://openalex.org/W3098560524","https://openalex.org/W6648395962","https://openalex.org/W6688414042","https://openalex.org/W6695863430"],"related_works":["https://openalex.org/W2018347628","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2089206135","https://openalex.org/W2545123933","https://openalex.org/W2160730947","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296","https://openalex.org/W2081203575"],"abstract_inverted_index":{"Combined":[0],"with":[1,71,100,106],"terrain":[2],"observation":[3],"by":[4,42],"progressive":[5],"scans":[6],"(TOPS)":[7],"synthetic":[8],"aperture":[9],"radar":[10],"(SAR),":[11],"near-nadir":[12,68,112],"SAR":[13,69,73,114],"(N-SAR)":[14],"system":[15,70,115],"has":[16,210],"great":[17],"potential":[18],"for":[19,66,87,110],"the":[20,33,37,43,46,61,67,75,88,93,111,122,129,137,146,161,207],"surface":[21],"water":[22],"and":[23,91,128,152,186,201,218],"ocean":[24],"topography":[25],"(SWOT)":[26],"observation.":[27],"However,":[28,63],"one":[29],"practical":[30],"problem":[31],"of":[32,48,60,124],"airborne":[34],"N-SAR":[35],"is":[36,116,156,174,179],"non-ideal":[38,82],"attitude":[39,49,76,107,125,140,214],"angle":[40,50,59,77,108,126,141,215],"caused":[41],"environment.":[44],"Normally,":[45],"influence":[47,123],"error":[51,78,127,216],"can":[52],"be":[53],"considered":[54],"as":[55],"a":[56,81,168],"constant":[57],"squint":[58],"system.":[62],"in":[64,118],"fact,":[65],"TOPS":[72,113],"mode,":[74],"will":[79],"cause":[80,92],"2-dimensional":[83],"space-variant":[84],"Doppler":[85],"centroid":[86],"receiving":[89],"data":[90,166,170,203],"traditional":[94],"imaging":[95,104,171],"algorithm":[96,105,143,172,209],"failure.":[97],"To":[98],"deal":[99],"such":[101],"problems,":[102],"an":[103,139,182,188],"estimation":[109,217],"proposed":[117,208],"this":[119],"paper.":[120],"Firstly,":[121],"signal":[130],"properties":[131],"are":[132],"analyzed.":[133],"Secondly,":[134],"based":[135,159],"on":[136,160,213],"analysis,":[138],"estimate":[142],"(AAE),":[144],"utilizing":[145],"nonlinear":[147],"least":[148],"square":[149],"method":[150],"(NLSM)":[151],"minimum":[153],"entropy":[154],"criterion,":[155],"proposed.":[157,175],"Then,":[158],"estimated":[162],"altitude":[163],"angle,":[164],"without":[165],"blocking,":[167],"full":[169],"(FDA)":[173],"Its":[176],"main":[177],"idea":[178],"to":[180],"obtain":[181],"un-ambiguous":[183],"azimuth":[184,191],"spectrum":[185],"design":[187],"appropriate":[189],"range-variant":[190],"filter":[192],"through":[193],"frequency":[194],"chirp":[195],"scaling":[196],"(FCS).":[197],"The":[198],"numerical":[199],"simulations":[200],"real":[202],"processing":[204],"demonstrate":[205],"that":[206],"good":[211],"performance":[212],"well-focused":[219],"image":[220],"obtaining.":[221]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}