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Frequency Response of Laser Gyroscopes in a Wide Range of Rotation Velocities

机译：激光陀螺仪在大范围旋转速度下的频率响应

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摘要

The laser gyro frequency response is studied by means of numerical simulation using a phase equation. The calculation results are compared to the results of experimental measurements on a precision dynamic test-bench. Quantitative relationship between the threshold value of static lock-in zone and frequency response distortions is established. Numerical methods helped to obtain and experimentally confirm the quantitative dependence of frequency response distortion on the amplitude and frequency of meander-shaped dither. It is shown that the dither shape significantly affects the frequency response form. Furthermore, it is demonstrated that frequency-response distortions depend on conditions of its measurement, in particular, on the time. The conducted research allows dither parameters to be optimized with a view to increase the accuracy of measurements using laser gyroscopes.
机译：通过使用相位方程的数值模拟，研究了激光陀螺仪的频率响应。将计算结果与精密动态测试台上的实验测量结果进行比较。建立了静态锁定区阈值与频率响应畸变之间的定量关系。数值方法有助于获得并通过实验确定频率响应失真对曲折形抖动幅度和频率的定量依赖性。结果表明，抖动形状显着影响频率响应形式。此外，证明了频率响应失真取决于其测量条件，特别是时间。进行的研究可以优化抖动参数，以提高使用激光陀螺仪的测量精度。

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