{"id":"https://openalex.org/W4396629979","doi":"https://doi.org/10.1145/3654446.3654490","title":"Time-frequency analysis of non-stationary signals based on short-time Fourier transform","display_name":"Time-frequency analysis of non-stationary signals based on short-time Fourier transform","publication_year":2023,"publication_date":"2023-12-08","ids":{"openalex":"https://openalex.org/W4396629979","doi":"https://doi.org/10.1145/3654446.3654490"},"language":"en","primary_location":{"id":"doi:10.1145/3654446.3654490","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3654446.3654490","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd International Conference on Signal Processing, Computer Networks and Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5102749317","display_name":"Bo Zhou","orcid":"https://orcid.org/0009-0009-2690-4431"},"institutions":[{"id":"https://openalex.org/I4401200389","display_name":"Dalian Naval Academy","ror":"https://ror.org/014c1mf08","country_code":null,"type":"education","lineage":["https://openalex.org/I4401200389"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Zhou","raw_affiliation_strings":["Dep. of Basic Sciences, Dalian Naval Academy, China"],"raw_orcid":"https://orcid.org/0009-0009-2690-4431","affiliations":[{"raw_affiliation_string":"Dep. of Basic Sciences, Dalian Naval Academy, China","institution_ids":["https://openalex.org/I4401200389"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103038321","display_name":"Yang Song","orcid":null},"institutions":[{"id":"https://openalex.org/I4401200389","display_name":"Dalian Naval Academy","ror":"https://ror.org/014c1mf08","country_code":null,"type":"education","lineage":["https://openalex.org/I4401200389"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Song","raw_affiliation_strings":["Dep. of Basic Sciences, Dalian Naval Academy, China"],"raw_orcid":"https://orcid.org/0009-0007-8902-4752","affiliations":[{"raw_affiliation_string":"Dep. of Basic Sciences, Dalian Naval Academy, China","institution_ids":["https://openalex.org/I4401200389"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5096293764","display_name":"Jie Ai","orcid":null},"institutions":[{"id":"https://openalex.org/I4401200389","display_name":"Dalian Naval Academy","ror":"https://ror.org/014c1mf08","country_code":null,"type":"education","lineage":["https://openalex.org/I4401200389"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Ai","raw_affiliation_strings":["Dep. of Basic Sciences, Dalian Naval Academy, China"],"raw_orcid":"https://orcid.org/0009-0007-2726-964X","affiliations":[{"raw_affiliation_string":"Dep. of Basic Sciences, Dalian Naval Academy, China","institution_ids":["https://openalex.org/I4401200389"]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4401200389"],"apc_list":null,"apc_paid":null,"fwci":0.5851,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.69546532,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"245","last_page":"248"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9571999907493591,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9571999907493591,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T14225","display_name":"Advanced Sensor and Control Systems","score":0.940500020980835,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T13717","display_name":"Advanced Algorithms and Applications","score":0.9138000011444092,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.8072022199630737},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.7958264350891113},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.6728277206420898},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5756264328956604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.555806577205658},{"id":"https://openalex.org/keywords/non-uniform-discrete-fourier-transform","display_name":"Non-uniform discrete Fourier transform","score":0.523432731628418},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5154460072517395},{"id":"https://openalex.org/keywords/constant-q-transform","display_name":"Constant Q transform","score":0.4958516061306},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.4850148856639862},{"id":"https://openalex.org/keywords/s-transform","display_name":"S transform","score":0.4668463170528412},{"id":"https://openalex.org/keywords/spectral-density-estimation","display_name":"Spectral density estimation","score":0.4456525146961212},{"id":"https://openalex.org/keywords/harmonic-wavelet-transform","display_name":"Harmonic wavelet transform","score":0.4407649636268616},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42409029603004456},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.422929584980011},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32187390327453613},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20695915818214417},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16618123650550842},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.150547593832016},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.09326538443565369}],"concepts":[{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.8072022199630737},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.7958264350891113},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.6728277206420898},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5756264328956604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.555806577205658},{"id":"https://openalex.org/C62058723","wikidata":"https://www.wikidata.org/wiki/Q7049066","display_name":"Non-uniform discrete Fourier transform","level":5,"score":0.523432731628418},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5154460072517395},{"id":"https://openalex.org/C153705960","wikidata":"https://www.wikidata.org/wiki/Q5163634","display_name":"Constant Q transform","level":5,"score":0.4958516061306},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.4850148856639862},{"id":"https://openalex.org/C99234102","wikidata":"https://www.wikidata.org/wiki/Q7395403","display_name":"S transform","level":5,"score":0.4668463170528412},{"id":"https://openalex.org/C30049272","wikidata":"https://www.wikidata.org/wiki/Q6555326","display_name":"Spectral density estimation","level":3,"score":0.4456525146961212},{"id":"https://openalex.org/C1109138","wikidata":"https://www.wikidata.org/wiki/Q3280930","display_name":"Harmonic wavelet transform","level":5,"score":0.4407649636268616},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42409029603004456},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.422929584980011},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32187390327453613},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20695915818214417},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16618123650550842},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.150547593832016},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.09326538443565369},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.0},{"id":"https://openalex.org/C155777637","wikidata":"https://www.wikidata.org/wiki/Q2736187","display_name":"Wavelet packet decomposition","level":4,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3654446.3654490","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3654446.3654490","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd International Conference on Signal Processing, Computer Networks and Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2222331773","https://openalex.org/W237185286","https://openalex.org/W2551275593","https://openalex.org/W2900642428","https://openalex.org/W2376125734","https://openalex.org/W19668000","https://openalex.org/W4232826315","https://openalex.org/W1661381303","https://openalex.org/W3021127325","https://openalex.org/W3198155670"],"abstract_inverted_index":{"Time-frequency":[0],"analysis":[1,23],"of":[2,13,22,39,48,56,61,68,77],"non-stationary":[3],"signals":[4],"is":[5,38,64],"an":[6],"important":[7],"tool":[8],"to":[9,25,42],"reveal":[10,74],"the":[11,31,34,44,49,53,57,75],"characteristics":[12,47,55],"signals.":[14,71],"Short-time":[15],"Fourier":[16,28],"transform":[17,29],"uses":[18],"a":[19],"certain":[20],"length":[21],"window":[24],"perform":[26],"piecewise":[27],"on":[30],"signal":[32,50],"in":[33],"window.":[35],"This":[36],"method":[37,63],"great":[40],"significance":[41],"capture":[43],"time-varying":[45],"frequency":[46,78],"and":[51],"find":[52],"essential":[54],"signal.":[58],"The":[59,72],"practicability":[60],"this":[62],"verified":[65],"by":[66],"simulation":[67],"different":[69],"typical":[70],"results":[73],"law":[76],"changing":[79],"with":[80],"time":[81]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
