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SYSTEM AND METHOD FOR GYROSCOPE ZERO-RATE-OFFSET DRIFT REDUCTION THROUGH DEMODULATION PHASE ERROR CORRECTION
SYSTEM AND METHOD FOR GYROSCOPE ZERO-RATE-OFFSET DRIFT REDUCTION THROUGH DEMODULATION PHASE ERROR CORRECTION
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机译:通过解调相位误差校正陀螺仪零速率偏移漂移的系统和方法
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摘要
A circuit for processing signals from a gyroscope includes a first that generates an in-phase demodulated signal and a second demodulator that generates a quadrature-phase demodulated signal with reference to in-phase and quadrature-phase modulated signals, respectively, from the gyroscope. The circuit includes a digital processor that receives the demodulated in-phase and quadrature phase signals from the demodulators and generates an output signal corresponding to a rotation of the gyroscope along a predetermined axis with reference to the in-phase demodulated signal and the quadrature-phase demodulated signal to remove a portion of the quadrature-phase signal from the in-phase signal.
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