{"title":"Variable time-frequency tiling using block transforms","authors":"J. Horng, R. Haddad","doi":"10.1109/DSPWS.1996.555451","DOIUrl":null,"url":null,"abstract":"It is well known that block transforms have fixed resolution in the time-frequency plane and lack flexibility in dealing with signals possessing a time-varying spectrum. We introduce new orthonormal transforms which are constructed from any block transform yet have variable time-frequency-localizability feature and fast computing capability. A framework is created for constructing time localizable block transform (TLBT) and an algorithm is developed to achieve a desired time-frequency tiling pattern.","PeriodicalId":131323,"journal":{"name":"1996 IEEE Digital Signal Processing Workshop Proceedings","volume":" 24","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1996 IEEE Digital Signal Processing Workshop Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DSPWS.1996.555451","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
It is well known that block transforms have fixed resolution in the time-frequency plane and lack flexibility in dealing with signals possessing a time-varying spectrum. We introduce new orthonormal transforms which are constructed from any block transform yet have variable time-frequency-localizability feature and fast computing capability. A framework is created for constructing time localizable block transform (TLBT) and an algorithm is developed to achieve a desired time-frequency tiling pattern.
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