Measurement of the multi-frequency resonator of a Coriolis vibration gyroscope using the standing wave rotation method

The possibility of determining the frequency split of a resonator in a Coriolis vibratory gyroscope by altering the position of the standing wave is considered. This method is proposed for diagnosing frequency split at various stages of gyroscope production and operation. The effect of stepwise changes in the standing wave angle and it continuous standing wave rotation on the resonator's excitation frequency are demonstrated. The examples of frequency split calculation based on measurements are presented. The advantages of the proposed frequency split measurement method are highlighted.