{"id":"https://openalex.org/W2792222984","doi":"https://doi.org/10.1109/lgrs.2018.2790910","title":"Estimation and Mitigation of Time-Variant RFI in Low-Frequency Ultra-Wideband Radar","display_name":"Estimation and Mitigation of Time-Variant RFI in Low-Frequency Ultra-Wideband Radar","publication_year":2018,"publication_date":"2018-01-30","ids":{"openalex":"https://openalex.org/W2792222984","doi":"https://doi.org/10.1109/lgrs.2018.2790910","mag":"2792222984"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2018.2790910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2790910","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/A5102016894","display_name":"Yongping Song","orcid":"https://orcid.org/0000-0003-4191-0548"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongping Song","raw_affiliation_strings":["College of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0003-4191-0548","affiliations":[{"raw_affiliation_string":"College of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072496496","display_name":"Jun Hu","orcid":"https://orcid.org/0000-0001-6816-9417"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Hu","raw_affiliation_strings":["Chongqing Communication College, Chongqing, China","College of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0001-6816-9417","affiliations":[{"raw_affiliation_string":"Chongqing Communication College, Chongqing, China","institution_ids":[]},{"raw_affiliation_string":"College of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028476009","display_name":"Yongpeng Dai","orcid":"https://orcid.org/0000-0002-4142-6265"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongpeng Dai","raw_affiliation_strings":["College of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-4142-6265","affiliations":[{"raw_affiliation_string":"College of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007286998","display_name":"Tian Jin","orcid":"https://orcid.org/0000-0002-0734-9833"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tian Jin","raw_affiliation_strings":["College of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100406525","display_name":"Zhimin Zhou","orcid":"https://orcid.org/0000-0002-4135-0977"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhimin Zhou","raw_affiliation_strings":["College of Electronic Science, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":0.6313,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.69186543,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"15","issue":"3","first_page":"409","last_page":"413"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12024","display_name":"Ultra-Wideband Communications Technology","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T12024","display_name":"Ultra-Wideband Communications Technology","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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":0.9990000128746033,"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":0.9987000226974487,"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/computer-science","display_name":"Computer science","score":0.7014826536178589},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6290015578269958},{"id":"https://openalex.org/keywords/constant-false-alarm-rate","display_name":"Constant false alarm rate","score":0.5132203102111816},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5065211057662964},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.5051780343055725},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4552534818649292},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.4429875612258911},{"id":"https://openalex.org/keywords/matched-filter","display_name":"Matched filter","score":0.41925084590911865},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.37651634216308594},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3622530698776245},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.30499985814094543},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2846966087818146},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12414970993995667},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07993683218955994}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7014826536178589},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6290015578269958},{"id":"https://openalex.org/C77052588","wikidata":"https://www.wikidata.org/wiki/Q644307","display_name":"Constant false alarm rate","level":2,"score":0.5132203102111816},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5065211057662964},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.5051780343055725},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4552534818649292},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4429875612258911},{"id":"https://openalex.org/C50151734","wikidata":"https://www.wikidata.org/wiki/Q1759577","display_name":"Matched filter","level":3,"score":0.41925084590911865},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.37651634216308594},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3622530698776245},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30499985814094543},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2846966087818146},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12414970993995667},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07993683218955994},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2018.2790910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2790910","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":[],"awards":[{"id":"https://openalex.org/G160178735","display_name":null,"funder_award_id":"61372161","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5721959881","display_name":"\u8d85\u5bbd\u5e26\u865a\u62df\u5b54\u5f84\u96f7\u8fbe\u9690\u853d\u76ee\u6807\u6210\u50cf\u7814\u7a76","funder_award_id":"61271441","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W96319384","https://openalex.org/W595851582","https://openalex.org/W2043177549","https://openalex.org/W2044670824","https://openalex.org/W2049530934","https://openalex.org/W2063576608","https://openalex.org/W2072623250","https://openalex.org/W2072700947","https://openalex.org/W2074769152","https://openalex.org/W2076490896","https://openalex.org/W2100205787","https://openalex.org/W2117803041","https://openalex.org/W2121890631","https://openalex.org/W2122388060","https://openalex.org/W2162266645","https://openalex.org/W2164441276","https://openalex.org/W2168877202","https://openalex.org/W2168955340","https://openalex.org/W2329548976","https://openalex.org/W2332177454","https://openalex.org/W2470455837","https://openalex.org/W2507780144","https://openalex.org/W3122732016","https://openalex.org/W3142143877","https://openalex.org/W6683453278","https://openalex.org/W6684923232"],"related_works":["https://openalex.org/W3112081258","https://openalex.org/W1480343695","https://openalex.org/W98805669","https://openalex.org/W2315892906","https://openalex.org/W4384026382","https://openalex.org/W2392214114","https://openalex.org/W2792514479","https://openalex.org/W1427261","https://openalex.org/W1908865975","https://openalex.org/W2519024048"],"abstract_inverted_index":{"The":[0],"work":[1],"presented":[2],"in":[3,15,36,61],"this":[4],"letter":[5],"focuses":[6],"on":[7,92],"the":[8,16,29,37,51,56,62,68,83,88,98,106,128],"time-variant":[9,52],"radio":[10],"frequency":[11,57,63],"interference":[12],"(RFI)":[13],"issue":[14],"low-frequency":[17],"ultra-wideband":[18],"(UWB)":[19],"radar.":[20],"Different":[21],"from":[22,87],"many":[23],"previous":[24],"studies,":[25],"we":[26,66],"first":[27],"analyze":[28],"characteristics":[30],"of":[31,43,109],"RFIs":[32,53],"and":[33,40,54,81,125],"scattered":[34,89],"echoes":[35,90],"slow-time":[38],"dimension":[39],"take":[41],"advantage":[42],"overlapped":[44],"short-time":[45],"Fourier":[46],"transform":[47],"to":[48,50,79,96],"adapt":[49],"update":[55],"Doppler":[58,64],"spectrum.":[59],"Then,":[60],"spectrum,":[65],"adopt":[67],"minimum":[69],"statistic":[70],"combined":[71],"with":[72],"1-D":[73],"cell-averaging":[74],"constant":[75],"false":[76],"alarm":[77],"rate":[78],"estimate":[80],"separate":[82],"RFI":[84],"power":[85],"spectrum":[86],"based":[91],"their":[93],"differences.":[94],"Finally,":[95],"mitigate":[97],"estimated":[99],"RFIs,":[100],"a":[101,118],"suboptimal":[102],"filter":[103],"controlled":[104],"by":[105],"defined":[107],"entropy":[108],"range":[110],"profiles":[111],"after":[112],"math":[113],"filtering":[114],"is":[115],"designed.":[116],"Employing":[117],"UWB":[119],"radar,":[120],"different":[121],"experiments":[122],"were":[123],"conducted,":[124],"results":[126],"verify":[127],"proposed":[129],"method.":[130]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
