{"id":"https://openalex.org/W2087175916","doi":"https://doi.org/10.1109/lgrs.2012.2219033","title":"Azimuth Overlapped Subaperture Algorithm in Frequency Domain for Highly Squinted Synthetic Aperture Radar","display_name":"Azimuth Overlapped Subaperture Algorithm in Frequency Domain for Highly Squinted Synthetic Aperture Radar","publication_year":2012,"publication_date":"2012-10-26","ids":{"openalex":"https://openalex.org/W2087175916","doi":"https://doi.org/10.1109/lgrs.2012.2219033","mag":"2087175916"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2012.2219033","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2012.2219033","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/A5041959417","display_name":"Yu Tang","orcid":"https://orcid.org/0000-0002-7604-155X"},"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":"Yu Tang","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xi'an, China#TAB#"],"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., Xi'an, China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100744426","display_name":"Bo Zhang","orcid":"https://orcid.org/0000-0002-8889-9596"},"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":"Bo Zhang","raw_affiliation_strings":["Electronic Information Offensive and Defensive Confrontation and Simulation Technology Key Laboratory of the Ministry of Education, Xidian University, Xi'an, China","Electron. Inf. Offensive & Defensive Confrontation & Simulation Technol. Key Lab. of the Minist. of Educ., Xidian Univ., Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic Information Offensive and Defensive Confrontation and Simulation Technology Key Laboratory of the Ministry of Education, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"Electron. Inf. Offensive & Defensive Confrontation & Simulation Technol. Key Lab. of the Minist. of Educ., Xidian Univ., Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021408538","display_name":"Mengdao Xing","orcid":"https://orcid.org/0000-0002-4084-0915"},"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":"Mengdao Xing","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xi'an, China#TAB#"],"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., Xi'an, China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102927094","display_name":"Zheng Bao","orcid":"https://orcid.org/0000-0002-7348-7644"},"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":"Zheng Bao","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","Nat. Lab. of Radar Signal Process., Xidian Univ., Xi'an, China#TAB#"],"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., Xi'an, China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100609249","display_name":"Liang Guo","orcid":"https://orcid.org/0000-0002-1141-5303"},"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":"Liang Guo","raw_affiliation_strings":["School of Technical Physics, Xidian University, Xi'an, China","Sch. of Tech. Phys., Xidian Univ., Xi'An, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Technical Physics, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"Sch. of Tech. Phys., Xidian Univ., Xi'An, 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":null,"apc_paid":null,"fwci":15.0038,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.98542846,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"10","issue":"4","first_page":"692","last_page":"696"},"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9987000226974487,"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":0.9148445129394531},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7225598692893982},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6729328632354736},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5231241583824158},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5028387904167175},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.4931632876396179},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.46586301922798157},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.4633885324001312},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3338121473789215},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2332724928855896},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14161217212677002},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09274214506149292}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.9148445129394531},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7225598692893982},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6729328632354736},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5231241583824158},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5028387904167175},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.4931632876396179},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.46586301922798157},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.4633885324001312},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3338121473789215},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2332724928855896},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14161217212677002},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09274214506149292},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"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.2012.2219033","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2012.2219033","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/W1536938919","https://openalex.org/W1627791235","https://openalex.org/W1998348025","https://openalex.org/W2116008021","https://openalex.org/W2120024360","https://openalex.org/W2151387183","https://openalex.org/W2161745552","https://openalex.org/W2321585011","https://openalex.org/W3090800666"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2059318893","https://openalex.org/W2095582735","https://openalex.org/W3206958763","https://openalex.org/W2068843146","https://openalex.org/W2010341259","https://openalex.org/W2462749609","https://openalex.org/W2159160885","https://openalex.org/W2148958581","https://openalex.org/W2910315605"],"abstract_inverted_index":{"The":[0,91,100],"high-resolution":[1],"imaging":[2],"of":[3,13,94,109],"a":[4],"highly":[5],"squinted":[6],"synthetic":[7],"aperture":[8],"radar":[9],"remains":[10],"difficult":[11],"because":[12],"the":[14,18,21,27,31,38,41,44,51,60,87,110],"severe":[15],"coupling":[16],"between":[17,40],"range":[19,28,42],"and":[20,43,113],"azimuth.":[22,45],"\u201cSquint":[23],"minimization\u201d":[24,49],"compensates":[25],"for":[26,83,118],"walking":[29],"in":[30,86,107],"azimuth":[32,52,61,74],"time":[33],"domain,":[34],"which":[35,55],"efficiently":[36],"increases":[37],"orthogonality":[39],"However,":[46],"this":[47,71,95],"\u201csquint":[48],"introduces":[50],"space-variant":[53],"phases,":[54],"can":[56],"be":[57],"compensated":[58],"by":[59],"nonlinear":[62],"chirp-scaling":[63],"(ANCS)":[64],"algorithm":[65,77,96],"using":[66],"large":[67],"computational":[68,111],"loads.":[69],"In":[70],"letter,":[72],"an":[73,103],"overlapped":[75],"subaperture":[76],"(AOSA)":[78],"is":[79,97,114],"proposed":[80],"to":[81],"compensate":[82],"these":[84],"phases":[85],"Doppler":[88],"frequency":[89],"domain.":[90],"validity":[92],"constraint":[93],"then":[98],"analyzed.":[99],"AOSA":[101],"has":[102],"advantage":[104],"over":[105],"ANCS":[106],"terms":[108],"load":[112],"considerably":[115],"more":[116],"suitable":[117],"real-time":[119],"processing.":[120]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}