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COMMON POLE ESTIMATION WITH AN ORTHOGONAL VECTOR METHOD

Abstract : In some applications as in biomedical analysis, we encounter the problem of estimating the common poles (angularfrequency and damping-factor) in a multi-channel set-up composed as the sum of Exponentially Damped Sinusoids. In this contribution, we propose a new subspace algorithm belonging to the family of the Orthogonal Vector Methods which solves the considered estimation problem. In particular, we expose a root-MUSIC algorithm which deals with damped components for an algorithmic cost comparable to the root- MUSIC for constant modulus components. Finally, we show by means of an example, that the proposed method is efficient, especially for low SNRs.
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https://hal.archives-ouvertes.fr/hal-00577275
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Submitted on : Thursday, March 17, 2011 - 2:01:38 AM
Last modification on : Sunday, June 26, 2022 - 11:53:35 AM
Long-term archiving on: : Saturday, June 18, 2011 - 2:30:41 AM

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  • HAL Id : hal-00577275, version 1

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Remy Boyer, Guillaume Bouleux, Karim Abed-Meraim. COMMON POLE ESTIMATION WITH AN ORTHOGONAL VECTOR METHOD. European Signal Processing Conference (EUSIPCO 2006), 2006, Florence, Italy. ⟨hal-00577275⟩

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