Abstract
This paper describes the sensitivity of vibratory rate gyro as a sensor of angular velocity, which is detected by phase difference method. In a vibratory rate gyro, subvibration occurs due to the Coriolis' force, when the gyro is rotated around its longitudinal axis. The sensitivity depends on the angle between a straight line connecting the position of detector for subvibration to center of the gyro and the direction of mainvibration, and increases as the angle increases up to 90 degrees. Also the sensitivity depends on the difference between the two resonance frequencies of main- and subvibration, and increases as the difference becomes smaller.
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