{"id":"https://openalex.org/W3200918632","doi":"https://doi.org/10.3390/s21196339","title":"Clutter Suppression Method for Off-Grid Effects Mitigation in Airborne Passive Radars with Contaminated Reference Signals","display_name":"Clutter Suppression Method for Off-Grid Effects Mitigation in Airborne Passive Radars with Contaminated Reference Signals","publication_year":2021,"publication_date":"2021-09-23","ids":{"openalex":"https://openalex.org/W3200918632","doi":"https://doi.org/10.3390/s21196339","mag":"3200918632","pmid":"https://pubmed.ncbi.nlm.nih.gov/34640659"},"language":"en","primary_location":{"id":"doi:10.3390/s21196339","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21196339","pdf_url":"https://www.mdpi.com/1424-8220/21/19/6339/pdf?version=1632368393","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/19/6339/pdf?version=1632368393","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016412264","display_name":"Yaqi Deng","orcid":"https://orcid.org/0000-0003-3585-8093"},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaqi Deng","raw_affiliation_strings":["College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101703148","display_name":"Wenguo Li","orcid":"https://orcid.org/0000-0002-7642-6409"},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wenguo Li","raw_affiliation_strings":["College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101523243","display_name":"Saiwen Zhang","orcid":"https://orcid.org/0000-0003-2791-1632"},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Saiwen Zhang","raw_affiliation_strings":["College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101725808","display_name":"Fulong Wang","orcid":"https://orcid.org/0009-0007-4875-5698"},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fulong Wang","raw_affiliation_strings":["College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028833413","display_name":"Weichu Xiao","orcid":"https://orcid.org/0000-0002-6794-1003"},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weichu Xiao","raw_affiliation_strings":["College of Electrical and Information Engineering, Hunan University, No. 2, Lushan South Road, Yuelu District, Changsha 410082, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical and Information Engineering, Hunan University, No. 2, Lushan South Road, Yuelu District, Changsha 410082, China","institution_ids":["https://openalex.org/I16609230"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109142128","display_name":"Zhi Cui","orcid":null},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Cui","raw_affiliation_strings":["College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Hunan City University, No. 518, Yingbin East Road, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101703148"],"corresponding_institution_ids":["https://openalex.org/I39521962"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.0949,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.89748916,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"21","issue":"19","first_page":"6339","last_page":"6339"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","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/T10891","display_name":"Radar Systems and Signal Processing","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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.996999979019165,"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/T10655","display_name":"GNSS positioning and interference","score":0.9898999929428101,"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":0.9336683750152588},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6125220060348511},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5972317457199097},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.49431657791137695},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.4693285822868347},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.4325544238090515},{"id":"https://openalex.org/keywords/constant-false-alarm-rate","display_name":"Constant false alarm rate","score":0.4300370216369629},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.312811017036438},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17361661791801453},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13830384612083435},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08582571148872375}],"concepts":[{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.9336683750152588},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6125220060348511},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5972317457199097},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.49431657791137695},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.4693285822868347},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.4325544238090515},{"id":"https://openalex.org/C77052588","wikidata":"https://www.wikidata.org/wiki/Q644307","display_name":"Constant false alarm rate","level":2,"score":0.4300370216369629},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.312811017036438},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17361661791801453},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13830384612083435},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08582571148872375},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003199","descriptor_name":"Computer Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003199","descriptor_name":"Computer Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003199","descriptor_name":"Computer Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011825","descriptor_name":"Radar","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011825","descriptor_name":"Radar","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011825","descriptor_name":"Radar","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s21196339","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21196339","pdf_url":"https://www.mdpi.com/1424-8220/21/19/6339/pdf?version=1632368393","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:34640659","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34640659","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:23a63505db8b4e21aa8d1c71e4c9316d","is_oa":true,"landing_page_url":"https://doaj.org/article/23a63505db8b4e21aa8d1c71e4c9316d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 19, p 6339 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/19/6339/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21196339","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 19; Pages: 6339","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8512584","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8512584","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21196339","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21196339","pdf_url":"https://www.mdpi.com/1424-8220/21/19/6339/pdf?version=1632368393","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5189538572","display_name":null,"funder_award_id":"61771191","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6283489237","display_name":null,"funder_award_id":"2021JJ40029","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G7454499922","display_name":null,"funder_award_id":"2020JJ4158","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G904038908","display_name":null,"funder_award_id":"2020JJ4213","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3200918632.pdf","grobid_xml":"https://content.openalex.org/works/W3200918632.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1973556278","https://openalex.org/W2028823365","https://openalex.org/W2034050390","https://openalex.org/W2038960240","https://openalex.org/W2065950457","https://openalex.org/W2075677695","https://openalex.org/W2108242182","https://openalex.org/W2108400150","https://openalex.org/W2151324163","https://openalex.org/W2166307990","https://openalex.org/W2169652966","https://openalex.org/W2265919601","https://openalex.org/W2291454393","https://openalex.org/W2294649896","https://openalex.org/W2309053980","https://openalex.org/W2330453307","https://openalex.org/W2407330144","https://openalex.org/W2500311678","https://openalex.org/W2513373031","https://openalex.org/W2538037923","https://openalex.org/W2563697538","https://openalex.org/W2624767020","https://openalex.org/W2729011941","https://openalex.org/W2782452773","https://openalex.org/W2788967965","https://openalex.org/W2793083936","https://openalex.org/W2888945692","https://openalex.org/W2889231018","https://openalex.org/W2904004124","https://openalex.org/W2907837136","https://openalex.org/W2936178808","https://openalex.org/W2959215364","https://openalex.org/W2990323005","https://openalex.org/W2992682321","https://openalex.org/W3003747751","https://openalex.org/W3043205618","https://openalex.org/W3102166889","https://openalex.org/W3133763131","https://openalex.org/W4205733750"],"related_works":["https://openalex.org/W2388326001","https://openalex.org/W3011102797","https://openalex.org/W2351401443","https://openalex.org/W2115015615","https://openalex.org/W4320921117","https://openalex.org/W1968850503","https://openalex.org/W1649651896","https://openalex.org/W2116961228","https://openalex.org/W1952514008","https://openalex.org/W3173283069"],"abstract_inverted_index":{"For":[0],"an":[1],"airborne":[2,62],"passive":[3,63],"radar":[4],"with":[5],"contaminated":[6],"reference":[7,19,44],"signals,":[8],"the":[9,18,24,36,66,69,76,84,92,97,115,121,140,143],"clutter":[10,52,112,123],"caused":[11,41],"by":[12,42],"multipath":[13],"(MP)":[14],"signals":[15,45],"involved":[16],"in":[17,27,136],"channel":[20],"(MP":[21],"clutter)":[22],"corrupts":[23],"covariance":[25],"estimation":[26],"space-time":[28],"adaptive":[29],"processing":[30],"(STAP).":[31],"In":[32,65],"order":[33,137],"to":[34,91,108,138],"overcome":[35],"severe":[37],"STAP":[38],"performance":[39],"degradation":[40],"impure":[43],"and":[46,83,103,120],"off-grid":[47,116],"effects,":[48],"a":[49],"novel":[50],"MP":[51,81,111,122],"suppression":[53],"method":[54],"based":[55,74],"on":[56,75],"local":[57,98,104],"search":[58],"is":[59,72,100,124,134],"proposed":[60,67,144],"for":[61],"radar.":[64],"method,":[68],"global":[70,85],"dictionary":[71,99],"constructed":[73],"sparse":[77],"measurement":[78],"model":[79],"of":[80,132,142],"clutter,":[82],"atoms":[86],"that":[87],"are":[88,94,106,118],"most":[89],"relevant":[90],"residual":[93],"selected.":[95],"Then,":[96],"designed":[101],"iteratively,":[102],"searches":[105],"performed":[107],"match":[109],"real":[110],"points.":[113],"Finally,":[114],"effects":[117],"mitigated,":[119],"suppressed":[125],"from":[126],"all":[127],"matched":[128],"atoms.":[129],"A":[130],"range":[131],"simulations":[133],"conducted":[135],"demonstrate":[139],"effectiveness":[141],"method.":[145]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}