{"id":"https://openalex.org/W1985321735","doi":"https://doi.org/10.2478/v10065-012-0001-7","title":"Time\u2013frequency Analysis of the EMG Digital Signals","display_name":"Time\u2013frequency Analysis of the EMG Digital Signals","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W1985321735","doi":"https://doi.org/10.2478/v10065-012-0001-7","mag":"1985321735"},"language":"en","primary_location":{"id":"doi:10.2478/v10065-012-0001-7","is_oa":true,"landing_page_url":"https://doi.org/10.2478/v10065-012-0001-7","pdf_url":"https://journals.umcs.pl/ai/article/download/3345/2539","source":{"id":"https://openalex.org/S4210184648","display_name":"Annales Universitatis Mariae Curie-Sklodowska sectio AI \u2013 Informatica","issn_l":"1732-1360","issn":["1732-1360","2083-3628"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annales UMCS, Informatica","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://journals.umcs.pl/ai/article/download/3345/2539","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029519663","display_name":"Wies\u0142awa Kuniszyk\u2013J\u00f3\u017akowiak","orcid":"https://orcid.org/0000-0001-5871-2455"},"institutions":[{"id":"https://openalex.org/I80810150","display_name":"J\u00f3zef Pi\u0142sudski University of Physical Education in Warsaw","ror":"https://ror.org/043k6re07","country_code":"PL","type":"education","lineage":["https://openalex.org/I80810150"]},{"id":"https://openalex.org/I174183983","display_name":"Maria Curie-Sk\u0142odowska University","ror":"https://ror.org/015h0qg34","country_code":"PL","type":"education","lineage":["https://openalex.org/I174183983"]},{"id":"https://openalex.org/I4210087266","display_name":"Institute of Computer Science","ror":"https://ror.org/003fvp964","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210087266","https://openalex.org/I99542240"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Wies\u0142awa Kuniszyk-J\u00f3\u017akowiak","raw_affiliation_strings":["Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw","Institute of Computer Science, Maria Curie-Sk\u0142odowska University pl. M. Curie-Sk\u0142odowskiej 1, 20-036 Lublin, Poland"],"affiliations":[{"raw_affiliation_string":"Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw","institution_ids":["https://openalex.org/I80810150"]},{"raw_affiliation_string":"Institute of Computer Science, Maria Curie-Sk\u0142odowska University pl. M. Curie-Sk\u0142odowskiej 1, 20-036 Lublin, Poland","institution_ids":["https://openalex.org/I174183983","https://openalex.org/I4210087266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026992110","display_name":"Janusz Jaszczuk","orcid":"https://orcid.org/0000-0002-0747-3754"},"institutions":[{"id":"https://openalex.org/I80810150","display_name":"J\u00f3zef Pi\u0142sudski University of Physical Education in Warsaw","ror":"https://ror.org/043k6re07","country_code":"PL","type":"education","lineage":["https://openalex.org/I80810150"]},{"id":"https://openalex.org/I227774917","display_name":"University School of Physical Education in Krak\u00f3w","ror":"https://ror.org/05vy8np18","country_code":"PL","type":"education","lineage":["https://openalex.org/I227774917"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Janusz Jaszczuk","raw_affiliation_strings":["Department of Biomechanics and Computer Science, External Faculty of Physical Education in Biaa Podlaska Academy of Physical Education in Warsaw","Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw"],"affiliations":[{"raw_affiliation_string":"Department of Biomechanics and Computer Science, External Faculty of Physical Education in Biaa Podlaska Academy of Physical Education in Warsaw","institution_ids":["https://openalex.org/I227774917"]},{"raw_affiliation_string":"Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw","institution_ids":["https://openalex.org/I80810150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045336834","display_name":"Tomasz Sacewicz","orcid":"https://orcid.org/0000-0002-4417-9220"},"institutions":[{"id":"https://openalex.org/I227774917","display_name":"University School of Physical Education in Krak\u00f3w","ror":"https://ror.org/05vy8np18","country_code":"PL","type":"education","lineage":["https://openalex.org/I227774917"]},{"id":"https://openalex.org/I80810150","display_name":"J\u00f3zef Pi\u0142sudski University of Physical Education in Warsaw","ror":"https://ror.org/043k6re07","country_code":"PL","type":"education","lineage":["https://openalex.org/I80810150"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Tomasz Sacewicz","raw_affiliation_strings":["Department of Biomechanics and Computer Science, External Faculty of Physical Education in Biaa Podlaska Academy of Physical Education in Warsaw","Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw"],"affiliations":[{"raw_affiliation_string":"Department of Biomechanics and Computer Science, External Faculty of Physical Education in Biaa Podlaska Academy of Physical Education in Warsaw","institution_ids":["https://openalex.org/I227774917"]},{"raw_affiliation_string":"Department of Biomechanics and Computer Science, External Faculty of Physical Education in Bia\u0142a Podlaska Academy of Physical Education in Warsaw","institution_ids":["https://openalex.org/I80810150"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047832079","display_name":"Ireneusz Codello","orcid":null},"institutions":[{"id":"https://openalex.org/I174183983","display_name":"Maria Curie-Sk\u0142odowska University","ror":"https://ror.org/015h0qg34","country_code":"PL","type":"education","lineage":["https://openalex.org/I174183983"]},{"id":"https://openalex.org/I4210087266","display_name":"Institute of Computer Science","ror":"https://ror.org/003fvp964","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210087266","https://openalex.org/I99542240"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Ireneusz Codello","raw_affiliation_strings":["Institute of Computer Science, Maria Curie-Skodowska University pl. M. Curie-Skodowskiej 1, 20-036 Lublin, Poland","Institute of Computer Science, Maria Curie-Sk\u0142odowska University pl. M. Curie-Sk\u0142odowskiej 1, 20-036 Lublin, Poland"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science, Maria Curie-Skodowska University pl. M. Curie-Skodowskiej 1, 20-036 Lublin, Poland","institution_ids":["https://openalex.org/I174183983"]},{"raw_affiliation_string":"Institute of Computer Science, Maria Curie-Sk\u0142odowska University pl. M. Curie-Sk\u0142odowskiej 1, 20-036 Lublin, Poland","institution_ids":["https://openalex.org/I174183983","https://openalex.org/I4210087266"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5029519663"],"corresponding_institution_ids":["https://openalex.org/I174183983","https://openalex.org/I4210087266","https://openalex.org/I80810150"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.07511214,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"12","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9857000112533569,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9857000112533569,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9771000146865845,"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/T10784","display_name":"Muscle activation and electromyography studies","score":0.9758999943733215,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/morlet-wavelet","display_name":"Morlet wavelet","score":0.9011482000350952},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.7638876438140869},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.6127141118049622},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.5868591070175171},{"id":"https://openalex.org/keywords/continuous-wavelet-transform","display_name":"Continuous wavelet transform","score":0.55728679895401},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.554449737071991},{"id":"https://openalex.org/keywords/constant-q-transform","display_name":"Constant Q transform","score":0.535521388053894},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.4680328667163849},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.46071135997772217},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45303523540496826},{"id":"https://openalex.org/keywords/scale-analysis","display_name":"Scale analysis (mathematics)","score":0.44203710556030273},{"id":"https://openalex.org/keywords/frequency-analysis","display_name":"Frequency analysis","score":0.43999454379081726},{"id":"https://openalex.org/keywords/harmonic-wavelet-transform","display_name":"Harmonic wavelet transform","score":0.4344090521335602},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.42020711302757263},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41380536556243896},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4117475748062134},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4046960771083832},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.3908792734146118},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3236057162284851},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.23378512263298035},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2209905982017517},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.187394380569458},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.14423158764839172}],"concepts":[{"id":"https://openalex.org/C2778280487","wikidata":"https://www.wikidata.org/wiki/Q3505077","display_name":"Morlet wavelet","level":5,"score":0.9011482000350952},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.7638876438140869},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.6127141118049622},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.5868591070175171},{"id":"https://openalex.org/C95722684","wikidata":"https://www.wikidata.org/wiki/Q2622756","display_name":"Continuous wavelet transform","level":5,"score":0.55728679895401},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.554449737071991},{"id":"https://openalex.org/C153705960","wikidata":"https://www.wikidata.org/wiki/Q5163634","display_name":"Constant Q transform","level":5,"score":0.535521388053894},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.4680328667163849},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.46071135997772217},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45303523540496826},{"id":"https://openalex.org/C2775879016","wikidata":"https://www.wikidata.org/wiki/Q2845204","display_name":"Scale analysis (mathematics)","level":2,"score":0.44203710556030273},{"id":"https://openalex.org/C97118885","wikidata":"https://www.wikidata.org/wiki/Q565636","display_name":"Frequency analysis","level":2,"score":0.43999454379081726},{"id":"https://openalex.org/C1109138","wikidata":"https://www.wikidata.org/wiki/Q3280930","display_name":"Harmonic wavelet transform","level":5,"score":0.4344090521335602},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.42020711302757263},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41380536556243896},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4117475748062134},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4046960771083832},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.3908792734146118},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3236057162284851},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.23378512263298035},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2209905982017517},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.187394380569458},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.14423158764839172},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2478/v10065-012-0001-7","is_oa":true,"landing_page_url":"https://doi.org/10.2478/v10065-012-0001-7","pdf_url":"https://journals.umcs.pl/ai/article/download/3345/2539","source":{"id":"https://openalex.org/S4210184648","display_name":"Annales Universitatis Mariae Curie-Sklodowska sectio AI \u2013 Informatica","issn_l":"1732-1360","issn":["1732-1360","2083-3628"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annales UMCS, Informatica","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2478/v10065-012-0001-7","is_oa":true,"landing_page_url":"https://doi.org/10.2478/v10065-012-0001-7","pdf_url":"https://journals.umcs.pl/ai/article/download/3345/2539","source":{"id":"https://openalex.org/S4210184648","display_name":"Annales Universitatis Mariae Curie-Sklodowska sectio AI \u2013 Informatica","issn_l":"1732-1360","issn":["1732-1360","2083-3628"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annales UMCS, Informatica","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1985321735.pdf","grobid_xml":"https://content.openalex.org/works/W1985321735.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W1993226248","https://openalex.org/W1999298231","https://openalex.org/W2032796561","https://openalex.org/W2050449034","https://openalex.org/W2059618327","https://openalex.org/W2094955644","https://openalex.org/W2395383684","https://openalex.org/W3094114204","https://openalex.org/W4233705760","https://openalex.org/W4248511430"],"related_works":["https://openalex.org/W2120691196","https://openalex.org/W2038084771","https://openalex.org/W2754589921","https://openalex.org/W1975324298","https://openalex.org/W2098866314","https://openalex.org/W2895422859","https://openalex.org/W2356127505","https://openalex.org/W2100682151","https://openalex.org/W2027981231","https://openalex.org/W1985321735"],"abstract_inverted_index":{"In":[0],"the":[1,12,45,55,59,74,78,93,105,116,124,127,130,137,151],"article":[2],"comparison":[3],"of":[4,7,28,44,54,77,87,95,100,107,126,136],"time-frequency":[5],"spectra":[6,27,56],"EMG":[8,26,152],"signals":[9,102],"obtained":[10],"by":[11],"following":[13],"methods:":[14],"Fast":[15],"Fourier":[16],"Transform,":[17],"predictive":[18,46],"analysis":[19,22,47,84,121,141],"and":[20,30,57,85,149],"wavelet":[21,112,120],"is":[23],"presented.":[24],"The":[25,42,64,109,119],"biceps":[29],"triceps":[31],"while":[32,147],"an":[33,82],"adult":[34],"man":[35],"was":[36,69,113],"flexing":[37],"his":[38],"arm":[39],"were":[40,48],"analysed.":[41],"advantages":[43],"shown":[49],"as":[50,52,90,92,115],"far":[51],"averaging":[53,150],"determining":[58],"main":[60],"maxima":[61,89],"are":[62,98],"concerned.":[63],"Continuous":[65],"Wavelet":[66],"Transform":[67],"method":[68],"applied,":[70],"which":[71,97],"allows":[72,122],"for":[73,123],"proper":[75],"distribution":[76],"scales,":[79],"aiming":[80],"at":[81],"accurate":[83],"localisation":[86],"frequency":[88,131],"well":[91],"identification":[94],"impulses":[96],"characteristic":[99],"such":[101],"(bursts)":[103],"in":[104,129,133,155],"scale":[106],"time.":[108,156],"modified":[110],"Morlet":[111],"suggested":[114],"mother":[117],"wavelet.":[118],"examination":[125],"changes":[128],"spectrum":[132,154],"particular":[134],"stages":[135],"muscle":[138],"contraction.":[139],"Predictive":[140],"may":[142],"also":[143],"be":[144],"very":[145],"useful":[146],"smoothing":[148],"signal":[153]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}