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Discretising and filtering with the S-TRANSFORM and its inverses

AuthorsSimon, Carine ; Ventosa, Sergio ; Dañobeitia, Juan José ; Schimmel, Martin ; Mànuel, Antoni
Time-Frequency Localization
Local Spectra
Time-Frequency Analysis
Inverse S-transforms
Issue Date2007
PublisherACTA Press
CitationProceedings of the Fourth IASTED International Conference: 146-151 (2007)
AbstractThe S-transform is a powerful tool for non stationary signals which allows the visualisation of local spectra. In this communication, we modify the definition of an inverse of the S-transform to make it exact. Then, we study the influence of discretising the S-transform and its inverses. Finally, one of the main interests of the S-transform is the possibility to filter in frequency and time at the same time. We show the different side effects generated by the two existing inverse S-transforms when filtering
DescriptionFourth IASTED International Conference on Signal Processing, Pattern Recognition, and Applications (SPPRA '07), 14-16 February 2007, Innsbruck, Austria.-- 6 pages, 10 figures
Identifiersisbn: 978-0-88986-646-1
isbn: 978-0-88986-647-8
Appears in Collections:(ICTJA) Libros y partes de libros
(UTM) Libros y partes de libros
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