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In order the automatic gain control null optical fiber gyroscope of the decisive theory control
In order the automatic gain control null optical fiber gyroscope of the decisive theory control
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机译:为了自动增益控制的决定性理论控制空光纤陀螺
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摘要
PROBLEM TO BE SOLVED: To provide automatic gain control for a fiber optic gyroscope control loop (13) including an adjustable gain (24) applied to a gyro output signal.;SOLUTION: A calibration signal is injected into the fiber optic gyroscope control loop (13). A compensation loop (42) receives signals output from the control loop (13) and also receives calibration signals. The compensation loop (42) processes the calibration signal to produce a compensation signal that is combined with signals output from the control loop (13) to provide a compensated fiber optic gyroscope output signal. An automatic gain control loop (51) is connected between the compensation loop (42) and the adjustable gain applied to FOG output signal. The automatic gain control loop includes a gain error demodulator (50) that multiplies the compensated FOG output signal and the compensation signal together to produce a gain error signal used to control the adjustable gain (24) to stabilize the gyro control loop gain.;COPYRIGHT: (C)2010,JPO&INPIT
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