{"id":"https://openalex.org/W2248706741","doi":"https://doi.org/10.1109/icnc.2015.7378056","title":"An application of the subspace approach on radar speech enhancement","display_name":"An application of the subspace approach on radar speech enhancement","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2248706741","doi":"https://doi.org/10.1109/icnc.2015.7378056","mag":"2248706741"},"language":"en","primary_location":{"id":"doi:10.1109/icnc.2015.7378056","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnc.2015.7378056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 11th International Conference on Natural Computation (ICNC)","raw_type":"proceedings-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/A5064869270","display_name":"Sheng Li","orcid":"https://orcid.org/0000-0003-1315-4730"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sheng Li","raw_affiliation_strings":["College of Control Engineering, Xijiing University, Xian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Control Engineering, Xijiing University, Xian, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018031663","display_name":"Heng Chen","orcid":"https://orcid.org/0000-0001-7675-8924"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Heng Chen","raw_affiliation_strings":["College of Control Engineering, Xijiing University, Xian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Control Engineering, Xijiing University, Xian, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039521532","display_name":"Lijun Qiu","orcid":"https://orcid.org/0000-0003-4377-8659"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lijun Qiu","raw_affiliation_strings":["College of Control Engineering, Xijiing University, Xian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Control Engineering, Xijiing University, Xian, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100402160","display_name":"Hongbo Li","orcid":"https://orcid.org/0000-0001-8173-234X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hongbo Li","raw_affiliation_strings":["College of Control Engineering, Xijiing University, Xian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Control Engineering, Xijiing University, Xian, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102175459","display_name":"Yajuan Nan","orcid":null},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yajuan Nan","raw_affiliation_strings":["Pengkang College, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pengkang College, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032861309","display_name":"Yingjie Tian","orcid":"https://orcid.org/0000-0002-4675-0398"},"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":"Ying Tian","raw_affiliation_strings":["College of Biomedical Engineering, Fourth Military Medical University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Biomedical Engineering, Fourth Military Medical University, Xi'an, China","institution_ids":["https://openalex.org/I9916479"]}]},{"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":["College of Biomedical Engineering, Fourth Military Medical University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Biomedical Engineering, Fourth Military Medical University, Xi'an, China","institution_ids":["https://openalex.org/I9916479"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113408108","display_name":"Boyuan Tian","orcid":null},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Boyuan Tian","raw_affiliation_strings":["School of electronics and information, Northwestern Poly technical University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of electronics and information, Northwestern Poly technical University, Xi'an, China","institution_ids":["https://openalex.org/I17145004"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13580827,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":null,"first_page":"594","last_page":"598"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"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":1.0,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9921000003814697,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.6717416644096375},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6565378308296204},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.6194071769714355},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.603740394115448},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5679887533187866},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.5305348634719849},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5013551712036133},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.4453575611114502},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.4203992784023285},{"id":"https://openalex.org/keywords/passive-radar","display_name":"Passive radar","score":0.4101800322532654},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4040170907974243},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.4023953378200531},{"id":"https://openalex.org/keywords/background-noise","display_name":"Background noise","score":0.35579589009284973},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.34340280294418335},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29267048835754395},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24177774786949158},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22768494486808777},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.19303163886070251},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15003260970115662},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13637447357177734}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6717416644096375},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6565378308296204},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.6194071769714355},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.603740394115448},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5679887533187866},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.5305348634719849},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5013551712036133},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.4453575611114502},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.4203992784023285},{"id":"https://openalex.org/C151120012","wikidata":"https://www.wikidata.org/wiki/Q2143008","display_name":"Passive radar","level":5,"score":0.4101800322532654},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4040170907974243},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.4023953378200531},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.35579589009284973},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34340280294418335},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29267048835754395},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24177774786949158},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22768494486808777},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.19303163886070251},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15003260970115662},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13637447357177734},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icnc.2015.7378056","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnc.2015.7378056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 11th International Conference on Natural Computation (ICNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.49000000953674316}],"awards":[],"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":16,"referenced_works":["https://openalex.org/W2003786573","https://openalex.org/W2013476068","https://openalex.org/W2042439020","https://openalex.org/W2071117487","https://openalex.org/W2077378990","https://openalex.org/W2096779346","https://openalex.org/W2107800990","https://openalex.org/W2128604088","https://openalex.org/W2131490607","https://openalex.org/W2134639649","https://openalex.org/W2141358579","https://openalex.org/W2141474838","https://openalex.org/W2145760110","https://openalex.org/W2149037753","https://openalex.org/W2158409990","https://openalex.org/W6679574509"],"related_works":["https://openalex.org/W2546425916","https://openalex.org/W2385432413","https://openalex.org/W2106793170","https://openalex.org/W3151367279","https://openalex.org/W2135485548","https://openalex.org/W2373767407","https://openalex.org/W2782782444","https://openalex.org/W2187949121","https://openalex.org/W4380451819","https://openalex.org/W2376606440"],"abstract_inverted_index":{"A":[0],"new":[1,28,51],"kind":[2],"of":[3,18,22,39,53,68,80,118,123,136],"94":[4,24,44,170],"GHz":[5,25,45,171],"bio-radar":[6,93],"was":[7,47],"developed":[8],"in":[9],"our":[10],"lab":[11],"for":[12],"non-acoustic":[13],"sensor":[14],"speech":[15,33,41,129,139,153],"detection.":[16],"Because":[17],"the":[19,23,37,40,61,65,75,78,81,92,103,109,115,124,134,137,147,158,167],"excellent":[20],"performance":[21],"radar,":[26],"this":[27,69,83],"equipment":[29],"provides":[30],"a":[31,86],"novel":[32],"Acquisition":[34],"method.":[35],"However,":[36],"quality":[38,79,130],"detected":[42,140],"by":[43,49,141,149],"radar":[46,142,174],"corrupted":[48],"some":[50],"kinds":[52],"noises,":[54],"such":[55],"as":[56,126,128],"electromagnetic-harmonic-noise,":[57],"radar-electro-circuit":[58],"noise,":[59],"and":[60,77],"environmental":[62],"noise.":[63,120],"Therefore,":[64],"main":[66],"topic":[67],"current":[70],"study":[71,84],"is":[72,101,106,143],"to":[73,97,113,165],"increase":[74],"intelligibility":[76],"millimeter-wave-radar-speech,":[82],"proposed":[85,159],"subspace":[87,160],"approach.":[88],"The":[89,121],"subspace-speech-enhancement-algorithm":[90],"decomposes":[91],"signal":[94],"vector":[95],"space":[96],"two":[98],"subspaces,":[99],"one":[100,105],"signal-with-noise-subspace,":[102],"other":[104,151],"noise-subspace,":[107],"so":[108],"algorithm":[110],"has":[111,162],"ability":[112,164],"reduce":[114,166],"unnatural":[116],"structure":[117],"residual":[119],"results":[122,148],"simulation,":[125],"well":[127],"evaluation":[131],"confirm":[132],"that":[133,157],"comprehensibility":[135],"enhanced":[138],"much":[144],"better":[145],"than":[146],"using":[150],"traditional":[152],"enhancement":[154],"algorithm,":[155],"suggest":[156],"approach":[161],"good":[163],"electromagnetic-noise":[168],"from":[169],"millimeter":[172],"wave":[173],"speech.":[175]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}