{"id":"https://openalex.org/W2080100594","doi":"https://doi.org/10.1109/igarss.2014.6946505","title":"Two-dimensional non-uniform FFT for image formation of high-squint SAR","display_name":"Two-dimensional non-uniform FFT for image formation of high-squint SAR","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2080100594","doi":"https://doi.org/10.1109/igarss.2014.6946505","mag":"2080100594"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2014.6946505","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6946505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5015235929","display_name":"Shunsheng Zhang","orcid":"https://orcid.org/0000-0002-5708-9240"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shunsheng Zhang","raw_affiliation_strings":["Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu, P. R. China","Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu, P. R. China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103994316","display_name":"\u0427\u0430\u043d \u041b\u044e","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chan Liu","raw_affiliation_strings":["Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu, P. R. China","Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu, P. R. China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5015235929"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.08524092,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"644","last_page":"647"},"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":0.9977999925613403,"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":0.9957000017166138,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7739717960357666},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.7403949499130249},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6926587820053101},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.608466625213623},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5823495388031006},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5805531740188599},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5596122741699219},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4963124394416809},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4731629490852356},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.44795361161231995},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42441946268081665},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.41274696588516235},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3399547338485718},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.24446728825569153},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18064215779304504},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14949414134025574},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09676018357276917},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.07074615359306335}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7739717960357666},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.7403949499130249},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6926587820053101},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.608466625213623},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5823495388031006},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5805531740188599},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5596122741699219},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4963124394416809},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4731629490852356},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.44795361161231995},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42441946268081665},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.41274696588516235},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3399547338485718},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.24446728825569153},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18064215779304504},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14949414134025574},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09676018357276917},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.07074615359306335},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2014.6946505","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6946505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1538767228","https://openalex.org/W1983393650","https://openalex.org/W2120024360","https://openalex.org/W2129610215","https://openalex.org/W2152968365","https://openalex.org/W2161745552"],"related_works":["https://openalex.org/W2996630340","https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W1915418828","https://openalex.org/W2547107543","https://openalex.org/W2545123933","https://openalex.org/W2031673444","https://openalex.org/W1994788526","https://openalex.org/W2613451563"],"abstract_inverted_index":{"The":[0],"high-resolution":[1],"imaging":[2],"for":[3],"high-squint":[4],"synthetic":[5],"aperture":[6],"radar":[7],"(SAR)":[8],"is":[9,28,48],"still":[10],"a":[11,40],"difficult":[12],"issue":[13],"due":[14],"to":[15,30,50,59],"large":[16],"range":[17,21,34],"migration":[18,36],"and":[19,37],"strong":[20],"dependence.":[22],"An":[23],"extended":[24],"keystone":[25],"transform":[26,45],"(EKT)":[27],"introduced":[29],"correct":[31],"more":[32],"complex":[33],"cell":[35],"range-variant,":[38],"then":[39],"two-dimensional":[41],"non-uniform":[42],"fast":[43],"Fourier":[44],"(2D":[46],"NUFFT)":[47],"proposed":[49],"obtain":[51],"the":[52,61,64],"focused":[53],"image.":[54],"Simulation":[55],"results":[56],"are":[57],"given":[58],"validate":[60],"effectiveness":[62],"of":[63],"method.":[65]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}