Computing the Instantaneous Frequency for AN ECG Signal

Autor: Ferenc – Emil MÓZES, János SZALAI
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Zdroj: Scientific Bulletin of the ''Petru Maior" University of Tîrgu Mureș, Vol 9 (XXVI), Iss 2, Pp 28-32 (2012)
Druh dokumentu: article
ISSN: 1841-9267
2285-438X
Popis: Physical phenomena have non-stationary nature that cannot be analyzed by conventional numerical methods. The Hilbert-Huang transform is a relatively new way to look at nonstationary signals by introducing the new concept of instantaneous frequency. This paper presents some remarks on how to compute the instantaneous frequency of a nonstationary signal, by the means of the Hilbert-Huang transform and with the empirical AM-FM decomposition.
Databáze: Directory of Open Access Journals