Universal narrow band signal conditioner

Details Universal narrow band signal conditioner Universal narrow band signal conditioner

G - Physics

06

F

G06F 17/14 (2006.01)

Patent

CA 2200940

A system for processing a signal made up of at least one spectral component. The system includes a sampling circuit for periodically sampling the signal to obtain a sequence of discrete data samples representing the signal; and a computational circuit for computing a fast Fourier transform (FFT)of the sequence of discrete data samples to an extent which the FFT is computed using substantially exclusively non-complex arithmetic operations, and for using a resultant portion of the FFT to obtain a phase and amplitude of the at least one spectral component making up the signal.

Système de traitement d'un signal comportant au moins une composante spectrale. Ce système comprend un circuit d'échantillonnage servant à échantillonner périodiquement le signal pour obtenir une succession d'échantillons de données discrètes représentant le signal; et un circuit de calcul servant à calculer une transformée de Fourier rapide (FFT) de la succession d'échantillons de données discrètes, et ce de telle façon que cette FFT soit calculée à peu près exclusivement au moyen d'opérations arithmétiques non complexes. Ce circuit sert également à utiliser une partie résultante de la FFT pour obtenir la phase et l'amplitude d'au moins l'une des composantes spectrales constituant le signal.

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