{"id":"https://openalex.org/W4293499210","doi":"https://doi.org/10.1109/access.2022.3202971","title":"94 GHz Asymmetric Antenna Radar for Speech Signal Detection and Enhancement via Variational Mode Decomposition and Improved Threshold Strategy","display_name":"94 GHz Asymmetric Antenna Radar for Speech Signal Detection and Enhancement via Variational Mode Decomposition and Improved Threshold Strategy","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4293499210","doi":"https://doi.org/10.1109/access.2022.3202971"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3202971","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3202971","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09869839.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09869839.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101745591","display_name":"Fuming Chen","orcid":"https://orcid.org/0000-0002-3189-6482"},"institutions":[{"id":"https://openalex.org/I4210092839","display_name":"Gansu University of Traditional Chinese Medicine","ror":"https://ror.org/00g741v42","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092839"]},{"id":"https://openalex.org/I4210116929","display_name":"82th Hospital of Pla","ror":"https://ror.org/02ddfy797","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210116929"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fuming Chen","raw_affiliation_strings":["The 940th Hospital of Joint Logistic Support Force of Chinese PLA, Lanzhou, China","zhou, China","College of Information Engineering, Gansu University of Chinese Medicine, Lan&#x2019"],"raw_orcid":"https://orcid.org/0000-0002-3189-6482","affiliations":[{"raw_affiliation_string":"The 940th Hospital of Joint Logistic Support Force of Chinese PLA, Lanzhou, China","institution_ids":["https://openalex.org/I4210116929"]},{"raw_affiliation_string":"zhou, China","institution_ids":[]},{"raw_affiliation_string":"College of Information Engineering, Gansu University of Chinese Medicine, Lan&#x2019","institution_ids":["https://openalex.org/I4210092839"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021742068","display_name":"Jianqi Wang","orcid":"https://orcid.org/0000-0002-0487-4923"},"institutions":[{"id":"https://openalex.org/I9916479","display_name":"Air Force Medical University","ror":"https://ror.org/00ms48f15","country_code":"CN","type":"education","lineage":["https://openalex.org/I9916479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianqi Wang","raw_affiliation_strings":["Department of Biomedical Engineering, Fourth Military Medical University, Xi&#x2019;an, China","an, China"],"raw_orcid":"https://orcid.org/0000-0002-0487-4923","affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Fourth Military Medical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I9916479"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069802703","display_name":"Chuantao Li","orcid":null},"institutions":[{"id":"https://openalex.org/I177933477","display_name":"Second Military Medical University","ror":"https://ror.org/04tavpn47","country_code":"CN","type":"education","lineage":["https://openalex.org/I177933477"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuantao Li","raw_affiliation_strings":["Department of Aviation Physiological and Psychological, Naval Special Medical Center of PLA, Second Military Medical University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Aviation Physiological and Psychological, Naval Special Medical Center of PLA, Second Military Medical University, Shanghai, China","institution_ids":["https://openalex.org/I177933477"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101745591"],"corresponding_institution_ids":["https://openalex.org/I4210092839","https://openalex.org/I4210116929"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.0415,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.7537961,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"10","issue":null,"first_page":"97930","last_page":"97944"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9886000156402588,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7189317345619202},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.7163244485855103},{"id":"https://openalex.org/keywords/pesq","display_name":"PESQ","score":0.5668586492538452},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5564791560173035},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5311853885650635},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.5098406672477722},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.30089282989501953},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.27094152569770813},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19459697604179382}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7189317345619202},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.7163244485855103},{"id":"https://openalex.org/C103734657","wikidata":"https://www.wikidata.org/wiki/Q2739975","display_name":"PESQ","level":4,"score":0.5668586492538452},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5564791560173035},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5311853885650635},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.5098406672477722},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30089282989501953},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.27094152569770813},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19459697604179382},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3202971","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3202971","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09869839.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:5bde1136e6dc4090beadfdd98aabb38a","is_oa":true,"landing_page_url":"https://doaj.org/article/5bde1136e6dc4090beadfdd98aabb38a","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":"IEEE Access, Vol 10, Pp 97930-97944 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3202971","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3202971","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09869839.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.7400000095367432,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G4213236881","display_name":null,"funder_award_id":"61901515","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4293499210.pdf","grobid_xml":"https://content.openalex.org/works/W4293499210.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W1552314771","https://openalex.org/W1920741591","https://openalex.org/W1952824372","https://openalex.org/W1974387177","https://openalex.org/W1996487021","https://openalex.org/W2000982976","https://openalex.org/W2004971874","https://openalex.org/W2007221293","https://openalex.org/W2013476068","https://openalex.org/W2015405779","https://openalex.org/W2015987054","https://openalex.org/W2017866319","https://openalex.org/W2038804109","https://openalex.org/W2042439020","https://openalex.org/W2052081477","https://openalex.org/W2055274129","https://openalex.org/W2067411605","https://openalex.org/W2071117487","https://openalex.org/W2079543681","https://openalex.org/W2084478514","https://openalex.org/W2102661631","https://openalex.org/W2102950268","https://openalex.org/W2125628761","https://openalex.org/W2128653836","https://openalex.org/W2141358579","https://openalex.org/W2141998673","https://openalex.org/W2158409990","https://openalex.org/W2166333654","https://openalex.org/W2170982194","https://openalex.org/W2213420530","https://openalex.org/W2275970519","https://openalex.org/W2366427818","https://openalex.org/W2402305349","https://openalex.org/W2592917189","https://openalex.org/W2748088475","https://openalex.org/W2784928507","https://openalex.org/W2791125525","https://openalex.org/W2807838503","https://openalex.org/W2910272630","https://openalex.org/W2945319194","https://openalex.org/W2947239346","https://openalex.org/W2952979007","https://openalex.org/W3007292888","https://openalex.org/W3147539069","https://openalex.org/W3184703656","https://openalex.org/W3216905214","https://openalex.org/W4214806317","https://openalex.org/W4239092612","https://openalex.org/W4283589953","https://openalex.org/W6752450468","https://openalex.org/W6804521139"],"related_works":["https://openalex.org/W2058482658","https://openalex.org/W1823208675","https://openalex.org/W2342810974","https://openalex.org/W3016109656","https://openalex.org/W2513767140","https://openalex.org/W1973895194","https://openalex.org/W2546593254","https://openalex.org/W3135613579","https://openalex.org/W2037635165","https://openalex.org/W4200562864"],"abstract_inverted_index":{"To":[0],"further":[1],"improve":[2,204],"the":[3,24,37,42,67,72,84,100,108,123,164,189,199,205,210,216,219],"detection":[4],"distance":[5,195],"and":[6,39,55,69,89,106,114,128,180,198,207,234],"sensitivity":[7],"of":[8,41,71,86,102,125,163,172,209],"bio-radar,":[9],"a":[10,46,77,224],"94":[11],"GHz":[12],"asymmetric":[13],"antenna":[14],"radar":[15,25,73,130,190,211,232],"sensor":[16,191],"is":[17,27,60,76,119,132,145,167],"employed":[18,146],"to":[19,121,147,215,231],"detect":[20,193],"speech":[21,26,43,112,131,173,196,212,233,237],"signal.":[22,44,213],"However,":[23],"often":[28],"mixed":[29],"with":[30],"various":[31,228],"noise,":[32],"which":[33,82,153],"will":[34,222],"seriously":[35],"affect":[36],"quality":[38,68,174,206],"intelligibility":[40,70,113,178,208],"Therefore,":[45],"novel":[47,78],"method":[48,166,201,221],"based":[49],"on":[50],"variational":[51],"mode":[52,87,94,139],"decomposition":[53,80,95,126],"(VMD)":[54],"improved":[56],"threshold":[57,105],"strategy":[58],"(ITS)":[59],"proposed":[61,165,200,220],"in":[62,92],"this":[63],"paper":[64],"for":[65,227],"improving":[66],"speech.":[74],"VMD":[75],"adaptive":[79],"method,":[81],"overcomes":[83],"problem":[85],"aliasing":[88],"end":[90],"effect":[91],"empirical":[93],"(EMD).":[96],"ITS":[97,144],"can":[98,192,202],"overcome":[99],"limitation":[101],"traditional":[103,235],"wavelet":[104],"achieve":[107],"best":[109],"compromise":[110],"between":[111],"noise":[115,149],"reduction.":[116],"Firstly,":[117],"EMD":[118],"applied":[120],"determine":[122],"number":[124],"level,":[127],"then":[129],"decomposed":[133],"into":[134],"several":[135],"limited":[136],"bandwidth":[137],"intrinsic":[138],"functions":[140],"by":[141,156,169],"VMD.":[142],"Secondly,":[143],"remove":[148],"from":[150],"useful":[151],"modes":[152],"are":[154],"determined":[155],"Pearson":[157],"correlation":[158],"coefficient":[159],"(PCC).":[160],"The":[161,184],"performance":[162],"evaluated":[168],"perceptual":[170],"evaluation":[171],"(PESQ),":[175],"short-time":[176],"objective":[177],"(STOI)":[179],"composite":[181],"measures":[182],"(CMs).":[183],"experimental":[185],"results":[186],"show":[187],"that":[188],"long":[194],"signal":[197,238],"effectively":[203],"Due":[214],"good":[217],"performance,":[218],"provide":[223],"promising":[225],"alternative":[226],"applications":[229],"related":[230],"microphone":[236],"enhancement.":[239]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}
