{"id":"https://openalex.org/W3153971880","doi":"https://doi.org/10.3390/s21082732","title":"Non-Contact Monitoring of Human Vital Signs Using FMCW Millimeter Wave Radar in the 120 GHz Band","display_name":"Non-Contact Monitoring of Human Vital Signs Using FMCW Millimeter Wave Radar in the 120 GHz Band","publication_year":2021,"publication_date":"2021-04-13","ids":{"openalex":"https://openalex.org/W3153971880","doi":"https://doi.org/10.3390/s21082732","mag":"3153971880","pmid":"https://pubmed.ncbi.nlm.nih.gov/33924439"},"language":"en","primary_location":{"id":"doi:10.3390/s21082732","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21082732","pdf_url":"https://www.mdpi.com/1424-8220/21/8/2732/pdf?version=1618307416","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/1424-8220/21/8/2732/pdf?version=1618307416","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007130142","display_name":"Wenjie Lv","orcid":"https://orcid.org/0000-0002-8597-5557"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wenjie Lv","raw_affiliation_strings":["Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","School of Electronic Information Engineering, Beihang University, Beijing 100191, China"],"raw_orcid":"https://orcid.org/0000-0002-8597-5557","affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"School of Electronic Information Engineering, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048512247","display_name":"Wangdong He","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wangdong He","raw_affiliation_strings":["Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","School of Electronic Information Engineering, Beihang University, Beijing 100191, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"School of Electronic Information Engineering, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042570651","display_name":"Xipeng Lin","orcid":"https://orcid.org/0009-0008-8306-9658"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xipeng Lin","raw_affiliation_strings":["Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","School of Electronic Information Engineering, Beihang University, Beijing 100191, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"School of Electronic Information Engineering, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040577230","display_name":"Jungang Miao","orcid":"https://orcid.org/0000-0002-8772-7602"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jungang Miao","raw_affiliation_strings":["Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","School of Electronic Information Engineering, Beihang University, Beijing 100191, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Perception &amp; Safety Application, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"School of Electronic Information Engineering, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5007130142"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":4.8378,"has_fulltext":false,"cited_by_count":93,"citation_normalized_percentile":{"value":0.96039543,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"21","issue":"8","first_page":"2732","last_page":"2732"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":1.0,"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5355769395828247},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5156437158584595},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.4893569350242615},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.48395541310310364},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4409215450286865},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.4358586072921753},{"id":"https://openalex.org/keywords/band-stop-filter","display_name":"Band-stop filter","score":0.4333193302154541},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.42992204427719116},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.40177905559539795},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37378764152526855},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2571158707141876},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25240635871887207},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2420257329940796},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.22273218631744385},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.18265491724014282},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.10484263300895691},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.10438108444213867}],"concepts":[{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5355769395828247},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5156437158584595},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.4893569350242615},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.48395541310310364},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4409215450286865},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.4358586072921753},{"id":"https://openalex.org/C112806600","wikidata":"https://www.wikidata.org/wiki/Q386022","display_name":"Band-stop filter","level":4,"score":0.4333193302154541},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.42992204427719116},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.40177905559539795},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37378764152526855},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2571158707141876},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25240635871887207},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2420257329940796},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.22273218631744385},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.18265491724014282},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.10484263300895691},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.10438108444213867},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","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":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","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":true},{"descriptor_ui":"D011825","descriptor_name":"Radar","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":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D056152","descriptor_name":"Respiratory Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D056152","descriptor_name":"Respiratory Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D056152","descriptor_name":"Respiratory Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s21082732","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21082732","pdf_url":"https://www.mdpi.com/1424-8220/21/8/2732/pdf?version=1618307416","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:33924439","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33924439","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:b2bf4dbc53a74b41b8e89bb754b201a2","is_oa":true,"landing_page_url":"https://doaj.org/article/b2bf4dbc53a74b41b8e89bb754b201a2","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 8, p 2732 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/8/2732/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21082732","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 8; Pages: 2732","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8070581","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8070581","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/s21082732","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21082732","pdf_url":"https://www.mdpi.com/1424-8220/21/8/2732/pdf?version=1618307416","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":[{"display_name":"Good health and well-being","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3153971880.pdf"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W83984544","https://openalex.org/W2011049057","https://openalex.org/W2016248157","https://openalex.org/W2090269566","https://openalex.org/W2097063432","https://openalex.org/W2125056386","https://openalex.org/W2133385860","https://openalex.org/W2137355544","https://openalex.org/W2139364477","https://openalex.org/W2314647955","https://openalex.org/W2504322816","https://openalex.org/W2554563261","https://openalex.org/W2565837874","https://openalex.org/W2609758525","https://openalex.org/W2775892517","https://openalex.org/W2885995024","https://openalex.org/W2925629343","https://openalex.org/W2941074488","https://openalex.org/W2945319194","https://openalex.org/W3094485066","https://openalex.org/W6653167901","https://openalex.org/W6679841790"],"related_works":["https://openalex.org/W4327521644","https://openalex.org/W3132558499","https://openalex.org/W2392478892","https://openalex.org/W2555581363","https://openalex.org/W2091887884","https://openalex.org/W3154381281","https://openalex.org/W4200360890","https://openalex.org/W2767592251","https://openalex.org/W3177178041","https://openalex.org/W4323793904"],"abstract_inverted_index":{"A":[0],"non-contact":[1],"heartbeat/respiratory":[2],"rate":[3,99,122,146,169,188,195],"monitoring":[4,155],"system":[5,46,156],"was":[6,113,129,197],"designed":[7],"using":[8,132],"narrow":[9,49],"beam":[10,50],"millimeter":[11],"wave":[12],"radar.":[13],"Equipped":[14],"with":[15,105],"a":[16],"special":[17],"low":[18],"sidelobe":[19],"and":[20,31,79,181,206],"small-sized":[21],"antenna":[22],"lens":[23],"at":[24],"the":[25,29,35,48,55,59,65,69,74,81,84,92,95,120,133,142,154,162,165,182,186],"front":[26],"end":[27],"of":[28,39,52,61,73,83,97,135,144,167,185,201],"receiving":[30],"transmitting":[32],"antennas":[33],"in":[34,64],"120":[36],"GHz":[37],"band":[38],"frequency-modulated":[40],"continuous-wave":[41],"(FMCW)":[42],"system,":[43],"this":[44],"sensor":[45],"realizes":[47],"control":[51],"radar,":[53],"reduces":[54,80],"interference":[56],"caused":[57],"by":[58,106,124,131,199],"reflection":[60],"other":[62],"objects":[63],"measurement":[66,196],"background,":[67],"improves":[68],"signal-to-clutter":[70],"ratio":[71,134],"(SCR)":[72],"intermediate":[75],"frequency":[76],"signal":[77,86],"(IF),":[78],"complexity":[82],"subsequent":[85],"processing.":[87],"In":[88],"order":[89],"to":[90,102,115,140],"solve":[91],"problem":[93],"that":[94,152],"accuracy":[96,143,184],"heart":[98,121,145,187,194],"is":[100,157],"easy":[101],"be":[103],"interfered":[104],"respiratory":[107,117,168],"harmonics,":[108],"an":[109],"adaptive":[110],"notch":[111],"filter":[112,116],"applied":[114],"harmonics.":[118],"Meanwhile,":[119],"obtained":[123],"fast":[125,207],"Fourier":[126],"transform":[127],"(FFT)":[128],"modified":[130],"adjacent":[136],"elements,":[137],"which":[138],"helped":[139],"improve":[141],"detection.":[147],"The":[148],"experimental":[149],"results":[150],"show":[151],"when":[153],"1":[158],"m":[159],"away":[160],"from":[161],"human":[163],"body,":[164],"probability":[166],"detection":[170,183],"error":[171],"within":[172],"\u00b12":[173],"times":[174],"for":[175],"eight":[176],"volunteers":[177],"can":[178,189],"reach":[179,190],"90.48%,":[180],"90.54%.":[191],"Finally,":[192],"short-term":[193],"realized":[198],"means":[200],"improved":[202],"empirical":[203],"mode":[204],"decomposition":[205],"independent":[208],"component":[209],"analysis":[210],"algorithm.":[211]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":30},{"year":2024,"cited_by_count":23},{"year":2023,"cited_by_count":20},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":5}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-10-10T00:00:00"}
