Accuracy of a fiber optic gyro

G - Physics – 01 – C

Patent

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G01C 19/72 (2006.01)

Patent

CA 2274891

In a fiber optic gyro (FOG) with a photo-diode phase detector that produces a detector signal that is supplied to an A/D converter to generate a FOG information signal for use in a signal processor to produce a FOG control signal based on FOG controller equations, the photo-diode out is summed with a feedback signal from the signal processor to reduce a DC offset in the input to the A/D converter.

Dans un gyromètre à fibre optique (GFO), un détecteur de phase à photodiode génère un signal qui est envoyé à un convertisseur A/N de façon à générer un signal d'informations GFO destiné à être utilisé dans un processeur de signaux pour produire un signal de commande GFO sur la base des équations du contrôleur GFO, la sortie de la photodiode étant additionnée à un signal de réaction provenant du processeur de signaux de façon à réduire l'erreur due au décalage à l'entrée du convertisseur A/N.

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