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Psi_B-energy operator and cross-power spectral density

Article dans une revue avec comité de lecture
Auteur
BOUDRAA, Abdel-Ouahab
13094 Institut de Recherche de l'Ecole Navale [IRENAV]
CHONAVEL, Thierry
265401 Telecom Bretagne, Lab-STIC, Brest
CEXUS, Jean-Christophe
265401 Telecom Bretagne, Lab-STIC, Brest

URI
http://hdl.handle.net/10985/8999
DOI
10.1016/j.sigpro.2013.05.022
Date
2014
Journal
Signal Processing

Résumé

In this paper we consider the hermitian extension of the cross-Psi_B-energy operator that we will denote by Psi_H. In addition, cross energy terms are formalized through multivariate signals representation. We investigate the connection between the interaction energy function of Psi_H and the cross-power spectral density (CPSD)of two complex valued signals. In particular, this link permits to use this operator for estimating the CPSD. We illustrate the interest of Psi_H as a similarity between a pair of signals in frequency domain on synthetic and real data.

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  • Institut de Recherche de l’École navale (IRENAV)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Analysis of multicomponent LFM signals by Teager-Huang-Hough Transform 
    Article dans une revue avec comité de lecture
    BOUCHIKHI, Abdelkhalek; BOUDRAA, Abdel-Ouahab; CEXUS, Jean-Christophe; CHONAVEL, Thierry (Institute of Electrical and Electronics Engineers, 2014)
    A novel detection approach of linear FM (LFM) signals, with single or multiple components, in the time-frequency plane of Teager-Huang (TH) transform is presented. The detection scheme that combines TH transform and Hough ...
  • A New class of multi-dimensional Teager Kaiser and higher order operators based on directional derivatives 
    Article dans une revue avec comité de lecture
    SALZENSTEIN, Fabien; BOUDRAA, Abdel-Ouahab; CHONAVEL, Thierry (Springer Verlag, 2013)
    This work aims at introducing some energy operators linked to Teager-Kaiser energy operator and its associated higher order versions and expand them to multidimensional signals. These operators are very useful for analyzing ...
  • On signals compression by EMD 
    Article dans une revue avec comité de lecture
    KHALDI, Kais; BOUDRAA, Abdel-Ouahab (IET, 2012)
    In this letter a new signals coding framework based on the Empirical Mode Decomposition (EMD) is introduced. The EMD breaks down any signal into a reduced number of oscillating components called Intrinsic Modes Decomposition ...
  • Passive stochastic matched filter for Antarctic blue whale call detection 
    Article dans une revue avec comité de lecture
    BOUFFAUT, Léa; DRÉO, Richard; LABAT, Valérie; BOUDRAA, Abdel-Ouahab; BARRUOL, Guilhem (Acoustical Society of America, 2018)
    As a first step to Antarctic blue whale (ABW) monitoring using passive acoustics, a method based on the stochastic matched filter (SMF) is proposed. Derived from the matched filter (MF), this filter-based denoising method ...
  • Antarctic Blue Whale Calls Detection Based on an Improved Version of the Stochastic Matched Filter 
    Communication avec acte
    BOUFFAUT, Léa; DREO, Richard; LABAT, Valérie; BOUDRAA, Abdel-Ouahab; BARRUOL, Guilhem (2017)
    As a first step to Antarctic Blue Whale monitoring, a new method based on a passive application of the Stochastic Matched Filter (SMF) is developed. To perform Z-call detection in noisy environment, improvements on the ...

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