Fiber optic gyroscope with reduced non-linearity at low...

Details Fiber optic gyroscope with reduced non-linearity at low... Fiber optic gyroscope with reduced non-linearity at low...

G - Physics

01

C

G01C 19/72 (2006.01)

Patent

CA 2256602

The linearity of a fiber optic gyroscope can be improved by dithering the gyroscope's feedback signal. Any undesirable effects introduced by the dithering signal are removed by processing the gyroscope data over an entire cycle of the dithering signal. A further improvement in linearity can be achieved by introducing a compensation signal.

La linéarité d'un gyroscope à fibres optiques peut être améliorée par tremblement du signal de réaction du gyroscope. Tout effet indésirable introduit par le signal de tremblement est supprimé par traitement des données du gyroscope sur la totalité d'un cycle du signal de tremblement. Une autre amélioration de la linéarité peut être obtenue par introduction d'un signal de compensation.

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