The randomization of the fiber optic gyroscope for the stable system with the fiber optic gyroscope as the sensitive device, the ARW error will cause a large platform angle deviation in a short time, which is the main factor of the platform angle error, and cannot be corrected by the calibration of the error parameter. According to the different uses of the stable platform system, other navigation errors, such as alignment errors, navigation position errors, etc., can be calculated from ARW errors. Therefore, a rate-type inertial angle sensor similar to fiber optic gyro is used to form a stable platform system. Random walk is an error term that cannot be ignored. Fiber optic gyroscopes with appropriate accuracy must be selected according to technical requirements. Influence of migration coefficient on stable platform system.
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