{"id":"https://openalex.org/W2132141139","doi":"https://doi.org/10.1109/lgrs.2013.2288292","title":"Extended Azimuth Nonlinear Chirp Scaling Algorithm for Bistatic SAR Processing in High-Resolution Highly Squinted Mode","display_name":"Extended Azimuth Nonlinear Chirp Scaling Algorithm for Bistatic SAR Processing in High-Resolution Highly Squinted Mode","publication_year":2014,"publication_date":"2014-01-30","ids":{"openalex":"https://openalex.org/W2132141139","doi":"https://doi.org/10.1109/lgrs.2013.2288292","mag":"2132141139"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2013.2288292","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2288292","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/A5100407414","display_name":"Dong Li","orcid":"https://orcid.org/0000-0002-2441-852X"},"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":"Dong Li","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, 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"]},{"raw_affiliation_string":"Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052210425","display_name":"Guisheng Liao","orcid":"https://orcid.org/0000-0002-5919-0713"},"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":"Guisheng Liao","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, 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"]},{"raw_affiliation_string":"Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076868786","display_name":"Wei Wang","orcid":"https://orcid.org/0000-0003-4251-3464"},"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":"Wei Wang","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, 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"]},{"raw_affiliation_string":"Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077573837","display_name":"Qing Xu","orcid":"https://orcid.org/0000-0002-8243-6670"},"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":"Qing Xu","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, 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"]},{"raw_affiliation_string":"Nat. Lab. of Radar Signal Process., Xidian Univ., Xian, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":101.9649,"has_fulltext":false,"cited_by_count":41,"citation_normalized_percentile":{"value":0.99771769,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"11","issue":"6","first_page":"1134","last_page":"1138"},"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":0.9987000226974487,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.9133496284484863},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.711392879486084},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.6227483749389648},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.5313965082168579},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5181320905685425},{"id":"https://openalex.org/keywords/scaling","display_name":"Scaling","score":0.5104207396507263},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49778294563293457},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4898369014263153},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3567519187927246},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3299063742160797},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.3248741030693054},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24334660172462463},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14880996942520142},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11111414432525635},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11068537831306458}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.9133496284484863},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.711392879486084},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.6227483749389648},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.5313965082168579},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5181320905685425},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.5104207396507263},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49778294563293457},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4898369014263153},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3567519187927246},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3299063742160797},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.3248741030693054},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24334660172462463},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14880996942520142},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11111414432525635},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11068537831306458},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2013.2288292","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2288292","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":[{"id":"https://openalex.org/G4971918525","display_name":"\u673a\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u65cb\u8f6c\u5408\u6210\u5b54\u5f84\u6210\u50cf\u5904\u7406\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61101242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8712280919","display_name":null,"funder_award_id":"K50511020009","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8800448978","display_name":null,"funder_award_id":"2011CB707001","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2031716391","https://openalex.org/W2042706080","https://openalex.org/W2047941860","https://openalex.org/W2100123951","https://openalex.org/W2100486279","https://openalex.org/W2109896001","https://openalex.org/W2154063429","https://openalex.org/W2154331202","https://openalex.org/W2161745552","https://openalex.org/W2172080481"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2010341259","https://openalex.org/W2462749609","https://openalex.org/W2545123933","https://openalex.org/W3127689436","https://openalex.org/W3198014086","https://openalex.org/W1981675605","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296"],"abstract_inverted_index":{"Accurate":[0],"focusing":[1,127],"of":[2,23,83,126,141],"highly":[3],"squinted":[4],"azimuth-variant":[5],"bistatic":[6],"synthetic":[7],"aperture":[8],"radar":[9],"data":[10],"is":[11,44,52,67],"a":[12,55],"difficult":[13],"issue":[14],"due":[15],"to":[16,69],"the":[17,24,29,71,81,84,106,112,133,139,142],"relatively":[18],"large":[19,123],"range":[20,57,65,73,108],"migration,":[21],"sensibility":[22],"higher":[25,101],"order":[26,102],"terms,":[27],"and":[28,61,76,87,93,104],"inherent":[30,113],"geometric":[31,114],"variance.":[32],"To":[33],"accommodate":[34],"for":[35],"this":[36,47],"problem,":[37],"extended":[38],"azimuth":[39,124],"nonlinear":[40,119],"chirp":[41,120],"scaling":[42,95,121],"algorithm":[43],"investigated":[45],"in":[46],"letter.":[48],"First,":[49],"range-azimuth":[50],"coupling":[51],"mitigated":[53],"through":[54],"linear":[56],"walk":[58],"correction":[59],"operation,":[60],"then,":[62],"bulk":[63],"secondary":[64],"compression":[66],"implemented":[68],"compensate":[70],"residual":[72],"cell":[74],"migration":[75],"cross-coupling":[77],"terms.":[78],"Following":[79],"which,":[80],"characteristics":[82],"azimuth-dependent":[85,107],"quadratic":[86],"cubic":[88],"phase":[89],"terms":[90],"are":[91,97],"analyzed,":[92],"modified":[94],"coefficients":[96],"derived":[98],"by":[99,111],"adopting":[100],"approximation":[103],"incorporating":[105],"offset":[109],"caused":[110],"configuration.":[115],"Compared":[116],"with":[117],"traditional":[118],"method,":[122],"depth":[125],"can":[128],"be":[129],"realized":[130],"without":[131],"changing":[132],"overall":[134],"procedure.":[135],"Simulation":[136],"results":[137],"validate":[138],"effectiveness":[140],"proposed":[143],"algorithm.":[144]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}