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SCHÉMA DE MODULATION DE PHASE OPTIQUE D'UNE MIOC D'UN GYROSCOPE À FIBRE OPTIQUE DE TYPE INTERFÉROMÈTRE
SCHÉMA DE MODULATION DE PHASE OPTIQUE D'UNE MIOC D'UN GYROSCOPE À FIBRE OPTIQUE DE TYPE INTERFÉROMÈTRE
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摘要
This invention relates the inertial navigation and position systems sector, and specifically relates an optical phase modulation scheme for an interferometric fiber optic gyroscope (I-FOG), with closed-loop feedback control equipped with a digital mod/demod approach by allowing said modulation scheme to double the feedback processing speed and obtain a more accurate and linear dynamic response of the sensor when measuring rotation rate profiles characterized by high variations.
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