{"id":"https://openalex.org/W1980131725","doi":"https://doi.org/10.1109/lgrs.2014.2307433","title":"Out-of-Band Ambiguity Analysis of Nonuniformly Sampled SAR Signals","display_name":"Out-of-Band Ambiguity Analysis of Nonuniformly Sampled SAR Signals","publication_year":2014,"publication_date":"2014-05-29","ids":{"openalex":"https://openalex.org/W1980131725","doi":"https://doi.org/10.1109/lgrs.2014.2307433","mag":"1980131725"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2014.2307433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2014.2307433","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/A5049263258","display_name":"Zhenqian Zhu","orcid":null},"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/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhenqian Zhu","raw_affiliation_strings":["Institute of Electronics, Chinese Academy of Sciences, Beijing, China","Inst. of Electron., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Electronics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210110458","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Inst. of Electron., Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406520","display_name":"Zhimin Zhang","orcid":"https://orcid.org/0000-0002-0531-9112"},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]},{"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":"Zhimin Zhang","raw_affiliation_strings":["Institute of Electronics, Chinese Academy of Sciences, Beijing, China","Inst. of Electron., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Electronics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210110458","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Inst. of Electron., Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032677320","display_name":"Robert Wang","orcid":"https://orcid.org/0000-0002-9850-7015"},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]},{"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":"Robert Wang","raw_affiliation_strings":["Institute of Electronics, Chinese Academy of Sciences, Beijing, China","Inst. of Electron., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Electronics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210110458","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Inst. of Electron., Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5104171442","display_name":"Lei Guo","orcid":"https://orcid.org/0000-0002-6057-3279"},"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/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Guo","raw_affiliation_strings":["Institute of Electronics, Chinese Academy of Sciences, Beijing, China","Inst. of Electron., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Electronics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210110458","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Inst. of Electron., Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5049263258"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210110458"],"apc_list":null,"apc_paid":null,"fwci":32.176,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.99105279,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"12","first_page":"2027","last_page":"2031"},"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":0.9983999729156494,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.8007460236549377},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.735640287399292},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.6494991779327393},{"id":"https://openalex.org/keywords/signal-reconstruction","display_name":"Signal reconstruction","score":0.6287148594856262},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6138443946838379},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.5989760160446167},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5536667108535767},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.48862963914871216},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.48095598816871643},{"id":"https://openalex.org/keywords/nonuniform-sampling","display_name":"Nonuniform sampling","score":0.4804336726665497},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.46043577790260315},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4530576765537262},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3929504454135895},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.29191911220550537},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.26503974199295044},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2017284333705902},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.16503188014030457},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1332499384880066}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8007460236549377},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.735640287399292},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.6494991779327393},{"id":"https://openalex.org/C70958404","wikidata":"https://www.wikidata.org/wiki/Q7512728","display_name":"Signal reconstruction","level":4,"score":0.6287148594856262},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6138443946838379},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.5989760160446167},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5536667108535767},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.48862963914871216},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.48095598816871643},{"id":"https://openalex.org/C20326153","wikidata":"https://www.wikidata.org/wiki/Q7049638","display_name":"Nonuniform sampling","level":3,"score":0.4804336726665497},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.46043577790260315},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4530576765537262},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3929504454135895},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.29191911220550537},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.26503974199295044},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2017284333705902},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.16503188014030457},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1332499384880066},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","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.2014.2307433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2014.2307433","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":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.75}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2123693211","https://openalex.org/W2128668801","https://openalex.org/W2135297361","https://openalex.org/W2140990782","https://openalex.org/W2151789205","https://openalex.org/W2541500075","https://openalex.org/W3214953536"],"related_works":["https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W1994788526","https://openalex.org/W1915418828","https://openalex.org/W2613451563","https://openalex.org/W1966299760","https://openalex.org/W2150075356","https://openalex.org/W2007886977"],"abstract_inverted_index":{"High-resolution":[0],"and":[1,32,59,74,90],"wide-swath":[2],"synthetic":[3],"aperture":[4],"radar":[5],"(SAR)":[6],"images":[7],"can":[8,37,107],"be":[9,38,108],"obtained":[10],"by":[11],"multichannel":[12,105],"sampling.":[13,49],"However,":[14],"a":[15,22,33,47,53,66,116],"nonoptimum":[16],"pulse-repetition":[17],"frequency":[18],"is":[19,63,80,88,96,123],"associated":[20],"with":[21,46,115,137],"nonuniform":[23,48],"spatial":[24],"sampling":[25,112],"in":[26,44],"azimuth.":[27],"A":[28],"spectrum":[29,43,56,85],"reconstruction":[30,57,79,87],"algorithm":[31,36,58,62],"filter":[34,60],"group":[35,61],"used":[39],"to":[40],"reconstruct":[41],"the":[42,69,75,99,130,134],"azimuth":[45],"In":[50],"this":[51],"letter,":[52],"comparison":[54],"of":[55],"given.":[64],"Through":[65],"transformation":[67],"matrix,":[68],"relationship":[70],"between":[71],"out-of-band":[72,76],"signals":[73,77],"after":[78,86],"built.":[81],"Furthermore,":[82],"an":[83],"equivalent":[84,100],"obtained,":[89],"simulation":[91],"results":[92,126],"proved":[93,128],"that":[94,104,129],"it":[95,102],"precise.":[97],"From":[98],"spectrum,":[101],"shows":[103],"SAR":[106],"seen":[109],"as":[110],"uniform":[111],"system":[113],"but":[114],"different":[117],"original":[118],"signal.":[119],"Finally,":[120],"channel":[121],"imbalance":[122,131],"discussed.":[124],"Simulation":[125],"have":[127,133],"targets":[132],"same":[135],"location":[136],"corresponding":[138],"ambiguous":[139],"targets.":[140]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}