{"id":"https://openalex.org/W2411555974","doi":"https://doi.org/10.1109/lgrs.2016.2569582","title":"The Stability of UWB Low-Frequency SAR Images","display_name":"The Stability of UWB Low-Frequency SAR Images","publication_year":2016,"publication_date":"2016-06-02","ids":{"openalex":"https://openalex.org/W2411555974","doi":"https://doi.org/10.1109/lgrs.2016.2569582","mag":"2411555974"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2016.2569582","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2569582","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":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13844","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009137640","display_name":"Renato Machado","orcid":"https://orcid.org/0000-0003-0856-5391"},"institutions":[{"id":"https://openalex.org/I33501960","display_name":"Universidade Federal de Santa Maria","ror":"https://ror.org/01b78mz79","country_code":"BR","type":"education","lineage":["https://openalex.org/I33501960"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Renato Machado","raw_affiliation_strings":["Blekinge Institute of Technology\u2014BTH, Federal University of Santa Maria\u2014UFSM, Santa Maria, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-0856-5391","affiliations":[{"raw_affiliation_string":"Blekinge Institute of Technology\u2014BTH, Federal University of Santa Maria\u2014UFSM, Santa Maria, Brazil","institution_ids":["https://openalex.org/I33501960"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055902176","display_name":"Viet T. Vu","orcid":"https://orcid.org/0000-0003-3945-8951"},"institutions":[{"id":"https://openalex.org/I52719799","display_name":"Blekinge Institute of Technology","ror":"https://ror.org/0093a8w51","country_code":"SE","type":"education","lineage":["https://openalex.org/I52719799"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Viet Thuy Vu","raw_affiliation_strings":["Blekinge Institute of Technology\u2014BTH, Karlskrona, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Blekinge Institute of Technology\u2014BTH, Karlskrona, Sweden","institution_ids":["https://openalex.org/I52719799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040572053","display_name":"Mats I. Pettersson","orcid":"https://orcid.org/0000-0002-6643-312X"},"institutions":[{"id":"https://openalex.org/I52719799","display_name":"Blekinge Institute of Technology","ror":"https://ror.org/0093a8w51","country_code":"SE","type":"education","lineage":["https://openalex.org/I52719799"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mats I. Pettersson","raw_affiliation_strings":["Blekinge Institute of Technology\u2014BTH, Karlskrona, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Blekinge Institute of Technology\u2014BTH, Karlskrona, Sweden","institution_ids":["https://openalex.org/I52719799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008886334","display_name":"Patrik Dammert","orcid":"https://orcid.org/0000-0002-7339-849X"},"institutions":[{"id":"https://openalex.org/I4210153572","display_name":"Saab (Sweden)","ror":"https://ror.org/05kyy7d06","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210153572"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Patrik Dammert","raw_affiliation_strings":["Systems Design\u2014Saab Electronic Defense Systems, Gothenburg, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Systems Design\u2014Saab Electronic Defense Systems, Gothenburg, Sweden","institution_ids":["https://openalex.org/I4210153572"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082161560","display_name":"Hans Hellsten","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153572","display_name":"Saab (Sweden)","ror":"https://ror.org/05kyy7d06","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210153572"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Hans Hellsten","raw_affiliation_strings":["Systems Design\u2014Saab Electronic Defense Systems, Gothenburg, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Systems Design\u2014Saab Electronic Defense Systems, Gothenburg, Sweden","institution_ids":["https://openalex.org/I4210153572"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.0467,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.93336382,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"13","issue":"8","first_page":"1114","last_page":"1118"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11205","display_name":"Numerical methods in inverse problems","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11205","display_name":"Numerical methods in inverse problems","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9973000288009644,"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"}},{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9905999898910522,"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/clutter","display_name":"Clutter","score":0.8279260396957397},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7272751927375793},{"id":"https://openalex.org/keywords/speckle-pattern","display_name":"Speckle pattern","score":0.6216996908187866},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6081405282020569},{"id":"https://openalex.org/keywords/speckle-noise","display_name":"Speckle noise","score":0.5333162546157837},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5230235457420349},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5138945579528809},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.49837398529052734},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.44681480526924133},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.44343307614326477},{"id":"https://openalex.org/keywords/gaussian-noise","display_name":"Gaussian noise","score":0.41907230019569397},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.38014888763427734},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3763164281845093},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.32895541191101074},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22830483317375183},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1566862165927887}],"concepts":[{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.8279260396957397},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7272751927375793},{"id":"https://openalex.org/C102290492","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle pattern","level":2,"score":0.6216996908187866},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6081405282020569},{"id":"https://openalex.org/C180940675","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle noise","level":3,"score":0.5333162546157837},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5230235457420349},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5138945579528809},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.49837398529052734},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.44681480526924133},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.44343307614326477},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.41907230019569397},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.38014888763427734},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3763164281845093},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.32895541191101074},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22830483317375183},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1566862165927887}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2016.2569582","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2569582","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"},{"id":"pmh:oai:DiVA.org:bth-13844","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13844","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:DiVA.org:bth-13844","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13844","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320325344","display_name":"Totalf\u00f6rsvarets Forskningsinstitut","ror":"https://ror.org/0470cgs30"},{"id":"https://openalex.org/F4320330095","display_name":"Saab","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W210440516","https://openalex.org/W1519038128","https://openalex.org/W1692953106","https://openalex.org/W1705144531","https://openalex.org/W1988138990","https://openalex.org/W2056449724","https://openalex.org/W2077453609","https://openalex.org/W2106777535","https://openalex.org/W2113891352","https://openalex.org/W2134392507","https://openalex.org/W2142021087","https://openalex.org/W2144615653","https://openalex.org/W6608463985","https://openalex.org/W6637567354"],"related_works":["https://openalex.org/W1492442610","https://openalex.org/W3171448127","https://openalex.org/W3114047281","https://openalex.org/W2534588114","https://openalex.org/W2081751882","https://openalex.org/W2101320838","https://openalex.org/W2084362290","https://openalex.org/W2145065236","https://openalex.org/W2746258982","https://openalex.org/W1977309372"],"abstract_inverted_index":{"This":[0,127],"letter":[1],"presents":[2],"an":[3,72],"analysis":[4,58],"of":[5,29,43,68,80,113,131],"prefiltered":[6],"clutter":[7,46,105],"ultrawideband":[8],"(UWB)":[9],"very":[10],"high":[11],"frequency":[12],"synthetic":[13],"aperture":[14],"radar":[15],"(SAR)":[16],"images.":[17,55,87],"The":[18,56],"image":[19,97,101],"data":[20,63],"are":[21],"reorganized":[22],"into":[23,65],"subvectors":[24],"based":[25,59],"on":[26,35,60],"the":[27,30,44,49,78,81,99,109,114,132],"observation":[28],"image-pair":[31],"magnitude":[32,69],"samples.":[33],"Based":[34],"this":[36,89],"approach,":[37],"we":[38],"present":[39],"a":[40,129,136],"statistical":[41,57],"description":[42],"SAR":[45,54,86,139],"obtained":[47],"by":[48],"subtraction":[50],"between":[51],"two":[52],"real":[53],"bivariate":[61],"distribution":[62],"organized":[64],"different":[66],"intervals":[67],"can":[70],"be":[71,125],"important":[73],"tool":[74],"to":[75,124],"further":[76],"understand":[77],"properties":[79],"backscattered":[82],"signal":[83],"for":[84,95,135],"low-frequency":[85,138],"In":[88],"letter,":[90],"it":[91],"is":[92,128],"found":[93],"that,":[94],"\u201cgood\u201d":[96],"pairs,":[98],"subtracted":[100],"has":[102],"Gaussian":[103],"distributed":[104],"backscattering":[106,134],"and":[107],"that":[108],"noise":[110,116,120],"mainly":[111],"consists":[112],"thermal":[115],"and,":[117],"therefore,":[118],"speckle":[119],"does":[121],"not":[122],"have":[123],"considered.":[126],"consequence":[130],"stable":[133],"UWB":[137],"system.":[140]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2016-06-24T00:00:00"}
