Cross-spectrum and coherence function estimation using time-delayed Thomson multitapers

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Sammanfattning

An idea is presented where multitapers are extracted from a known cross-spectrum and applied for estimation of the co- herence function. An important property of the extracted win- dows are the time-delay between left and right tapers. There- fore, time-delayed Thomson multitapers are also proposed as an approximation. Simulations are performed using differ- ent linear filters as well as disturbing white noise and com- parisons are made with the results of the usual Thomson and Welch methods. An example of estimation of EEG coherence is also shown.
Originalspråkengelska
Titel på värdpublikationAcoustics, Speech and Signal Processing (ICASSP), 2011 IEEE International Conference on
FörlagIEEE - Institute of Electrical and Electronics Engineers Inc.
Sidor4240-4243
Antal sidor4
ISBN (tryckt)978-1-4577-0538-0 (online), 978-1-4577-0538-0 (print)
DOI
StatusPublished - 2011
Evenemang2011 International Conference on Acoustics, Speech and Signal Processing (ICASSP) - Prague
Varaktighet: 2011 maj 222011 maj 27

Publikationsserier

Namn
ISSN (tryckt)1520-6149

Konferens

Konferens2011 International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Period2011/05/222011/05/27

Ämnesklassifikation (UKÄ)

  • Sannolikhetsteori och statistik

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