{"id":"https://openalex.org/W1985717903","doi":"https://doi.org/10.1109/taes.2013.6404103","title":"Optimal Beamforming for Range-Doppler Ambiguity Minimization in Squinted SAR","display_name":"Optimal Beamforming for Range-Doppler Ambiguity Minimization in Squinted SAR","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W1985717903","doi":"https://doi.org/10.1109/taes.2013.6404103","mag":"1985717903"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2013.6404103","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2013.6404103","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","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/A5000852147","display_name":"Paolo Di Lorenzo","orcid":"https://orcid.org/0000-0002-4130-3177"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"P. Di Lorenzo","raw_affiliation_strings":["DIET, Sapienza University of Rome, Rome, Italy","University of Rome \u2010 La Sapienza, Italy"],"affiliations":[{"raw_affiliation_string":"DIET, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"University of Rome \u2010 La Sapienza, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084159640","display_name":"Sergio Barbarossa","orcid":"https://orcid.org/0000-0001-9846-8741"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"S. Barbarossa","raw_affiliation_strings":["DIET, Sapienza University of Rome, Rome, Italy","University of Rome \u2010 La Sapienza, Italy"],"affiliations":[{"raw_affiliation_string":"DIET, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"University of Rome \u2010 La Sapienza, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013494105","display_name":"L. Borgarelli","orcid":null},"institutions":[{"id":"https://openalex.org/I4210103616","display_name":"Space (Italy)","ror":"https://ror.org/01c79fd45","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210103616"]},{"id":"https://openalex.org/I4210102386","display_name":"Thales (Italy)","ror":"https://ror.org/00rwwx648","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210102386","https://openalex.org/I4210140930"]},{"id":"https://openalex.org/I2801562428","display_name":"Alenia Aermacchi","ror":"https://ror.org/05mmh5r64","country_code":"IT","type":"company","lineage":["https://openalex.org/I2801562428","https://openalex.org/I2802798279"]},{"id":"https://openalex.org/I1300590480","display_name":"Leonardo (United States)","ror":"https://ror.org/041twcm28","country_code":"US","type":"company","lineage":["https://openalex.org/I1300590480","https://openalex.org/I2802798279"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"L. Borgarelli","raw_affiliation_strings":["Thales Alenia Space, Rome, Italy","Thales Alenia Space,Rome,Italy"],"affiliations":[{"raw_affiliation_string":"Thales Alenia Space, Rome, Italy","institution_ids":["https://openalex.org/I2801562428","https://openalex.org/I4210103616","https://openalex.org/I4210102386"]},{"raw_affiliation_string":"Thales Alenia Space,Rome,Italy","institution_ids":["https://openalex.org/I1300590480"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5000852147"],"corresponding_institution_ids":["https://openalex.org/I861853513"],"apc_list":null,"apc_paid":null,"fwci":4.3322,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.93107563,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"49","issue":"1","first_page":"277","last_page":"293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","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/T11946","display_name":"Antenna Design and Optimization","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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6712136268615723},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6306389570236206},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5900797247886658},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5666258931159973},{"id":"https://openalex.org/keywords/planar-array","display_name":"Planar array","score":0.48447561264038086},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.47783517837524414},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47528210282325745},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.47274577617645264},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4466269314289093},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21099674701690674},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.18673449754714966},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16590091586112976}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6712136268615723},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6306389570236206},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5900797247886658},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5666258931159973},{"id":"https://openalex.org/C2775980084","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Planar array","level":2,"score":0.48447561264038086},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.47783517837524414},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47528210282325745},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.47274577617645264},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4466269314289093},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21099674701690674},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.18673449754714966},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16590091586112976},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/taes.2013.6404103","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2013.6404103","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/509728","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/509728","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W52873965","https://openalex.org/W86549454","https://openalex.org/W391578156","https://openalex.org/W1656515606","https://openalex.org/W1983439341","https://openalex.org/W2041536736","https://openalex.org/W2061438449","https://openalex.org/W2082760320","https://openalex.org/W2103544882","https://openalex.org/W2116587774","https://openalex.org/W2116897845","https://openalex.org/W2126184250","https://openalex.org/W2133207688","https://openalex.org/W2133884101","https://openalex.org/W2150859171","https://openalex.org/W2159210846","https://openalex.org/W2165518466","https://openalex.org/W2321585011","https://openalex.org/W2383328201","https://openalex.org/W2545395872","https://openalex.org/W2610857016","https://openalex.org/W6602153569","https://openalex.org/W6603491120","https://openalex.org/W6636847414","https://openalex.org/W6677353212"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W2923631784","https://openalex.org/W818226659","https://openalex.org/W2129833531","https://openalex.org/W2350495673","https://openalex.org/W2185446406","https://openalex.org/W2118184918","https://openalex.org/W2483731616","https://openalex.org/W3144144182"],"abstract_inverted_index":{"A":[0],"method":[1],"is":[2,31,54],"proposed":[3,52],"to":[4,15,63],"optimize":[5],"the":[6,17,32,47],"radiation":[7],"pattern":[8],"of":[9,39],"a":[10,20,37],"planar":[11],"array":[12,58],"in":[13],"order":[14],"maximize":[16],"signal-to-ambiguity-ratio":[18],"for":[19,56],"squinted":[21],"synthetic":[22],"aperture":[23],"radar":[24],"(SAR)":[25],"observation":[26,44],"geometry.":[27],"The":[28,51],"optimal":[29],"beamformer":[30],"generalized":[33],"eigenvector":[34],"associated":[35],"with":[36],"pair":[38],"matrices":[40],"that":[41],"depends":[42],"on":[43],"geometry":[45],"and":[46,66],"Earth":[48],"reflectivity":[49],"model.":[50],"approach":[53],"valid":[55],"any":[57],"configuration.":[59],"This":[60],"enables":[61],"adaptivity":[62],"surface":[64],"background":[65],"T/R":[67],"module":[68],"failures,":[69],"thus":[70],"increasing":[71],"system":[72],"robustness.":[73]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
