Method and system for high-resolution extraction of...

Details Method and system for high-resolution extraction of... Method and system for high-resolution extraction of...

G - Physics

01

R

G01R 29/00 (2006.01) A61B 5/0225 (2006.01) A61B 5/0295 (2006.01) A61B 5/0452 (2006.01) G01D 1/16 (2006.01)

Patent

CA 2624718

A quasi-periodic signal with high signal-to-noise ratio containing signal features that exhibit poor temporal localization is processed to identify waveform temporal reference points that are used to provide the temporal reference points for extracting a representative waveform of a signal feature having high temporal localization in a second, related, quasi-periodic signal that has low signal-to-noise ratio. The resulting representative waveform exhibits much improved signal-to-noise ratio while preserving the temporal detail contained in the second, related, quasi-periodic signal.

Selon l'invention, un signal quasi-périodique à rapport signal sur bruit élevé contenant des caractéristiques de signal qui présentent une mauvaise localisation temporelle est traité afin d'identifier des points de référence temporelle de forme d'onde qui sont utilisés comme points de référence temporelle pour extraire une forme d'onde représentative d'une caractéristique de signal présentant une localisation temporelle élevée dans un second signal quasi-périodique associé qui présente un rapport signal sur bruit faible. La forme d'onde représentative obtenue présente un rapport signal sur bruit considérablement amélioré tout en préservant le détail temporel contenu dans le second signal quasi-périodique associé.

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