{"id":"https://openalex.org/W2125740617","doi":"https://doi.org/10.1109/icassp.2004.1326366","title":"Instantaneous frequency estimation using double-sided exponentially forgetting transform","display_name":"Instantaneous frequency estimation using double-sided exponentially forgetting transform","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2125740617","doi":"https://doi.org/10.1109/icassp.2004.1326366","mag":"2125740617"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326366","is_oa":false,"landing_page_url":"http://doi.org/10.1109/icassp.2004.1326366","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5108515500","display_name":"Tao Li","orcid":"https://orcid.org/0000-0001-6114-8461"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Li Tao","raw_affiliation_strings":["Sch. of Electron. Eng., Xidian Univ, Xiangtan, China"],"affiliations":[{"raw_affiliation_string":"Sch. of Electron. Eng., Xidian Univ, Xiangtan, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045740692","display_name":"Yang Shao-quan","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Shao-quan","raw_affiliation_strings":["Sch. of Electron. Eng., Xidian Univ, Xiangtan, China"],"affiliations":[{"raw_affiliation_string":"Sch. of Electron. Eng., Xidian Univ, Xiangtan, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031415022","display_name":"Tang Jian-long","orcid":"https://orcid.org/0000-0002-7962-0135"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tang Jian-long","raw_affiliation_strings":["Sch. of Electron. Eng., Xidian Univ, Xiangtan, China"],"affiliations":[{"raw_affiliation_string":"Sch. of Electron. Eng., Xidian Univ, Xiangtan, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5108515500"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.192428,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":null,"first_page":"ii","last_page":"749"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9986000061035156,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9986000061035156,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9970999956130981,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9968000054359436,"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/forgetting","display_name":"Forgetting","score":0.6553986668586731},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.564795970916748},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5144803524017334},{"id":"https://openalex.org/keywords/exponential-growth","display_name":"Exponential growth","score":0.44211870431900024},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33702537417411804},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.32375040650367737},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3071962594985962},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.16337206959724426},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14442792534828186},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.12221133708953857},{"id":"https://openalex.org/keywords/cognitive-psychology","display_name":"Cognitive psychology","score":0.06615003943443298}],"concepts":[{"id":"https://openalex.org/C7149132","wikidata":"https://www.wikidata.org/wiki/Q1377840","display_name":"Forgetting","level":2,"score":0.6553986668586731},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.564795970916748},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5144803524017334},{"id":"https://openalex.org/C75235859","wikidata":"https://www.wikidata.org/wiki/Q582659","display_name":"Exponential growth","level":2,"score":0.44211870431900024},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33702537417411804},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.32375040650367737},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3071962594985962},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.16337206959724426},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14442792534828186},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.12221133708953857},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.06615003943443298},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2004.1326366","is_oa":false,"landing_page_url":"http://doi.org/10.1109/icassp.2004.1326366","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1985510941","https://openalex.org/W2025934813","https://openalex.org/W2079938542","https://openalex.org/W2123063325","https://openalex.org/W2164549078","https://openalex.org/W2235053952"],"related_works":["https://openalex.org/W4289718052","https://openalex.org/W2164121020","https://openalex.org/W2145559838","https://openalex.org/W3116498279","https://openalex.org/W4287549553","https://openalex.org/W3183027292","https://openalex.org/W4310285384","https://openalex.org/W2794885965","https://openalex.org/W2104218666","https://openalex.org/W2959635497"],"abstract_inverted_index":{"In":[0,17],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,44],"new":[6],"type":[7],"of":[8,43,48,57,94],"time-frequency":[9,37,58],"distribution,":[10],"named":[11],"double-sided":[12],"exponentially":[13],"forgetting":[14,80],"transform":[15,81],"(DSEFT).":[16],"addition,":[18],"an":[19,83],"algorithm":[20],"for":[21],"instantaneous":[22,84],"frequency":[23,85],"estimation":[24],"using":[25],"DSEFT":[26,34,50,60,74],"is":[27,30,51,61,75,102],"presented.":[28],"It":[29],"shown":[31],"that":[32,40,73],"the":[33,49,78,90,95],"offers":[35],"good":[36],"resolution":[38],"and":[39,89,99],"stable":[41],"reconstruction":[42],"signal":[45],"from":[46],"samples":[47],"possible.":[52],"Compared":[53],"with":[54],"other":[55],"forms":[56],"representation,":[59],"highly":[62],"computational":[63],"efficient,":[64],"since":[65],"iterative":[66],"computation":[67],"can":[68],"be":[69],"used.":[70],"Analysis":[71],"shows":[72],"superior":[76],"to":[77],"exponential":[79],"as":[82],"estimator.":[86],"The":[87],"bias":[88],"mean":[91],"square":[92],"deviation":[93],"estimator":[96],"are":[97],"discussed":[98],"its":[100],"validness":[101],"verified":[103],"by":[104],"simulations.":[105]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
