为了在无陀螺捷联惯导系统中应用旋转矢量算法，如何获得载体的相对角位移、并保证载体相对角位移的精度和更新频率是非常重要的问题。

It is very important to apply rotation vector algorithm to the GFSINS that how to attain the relative angular displacement and meet its precision and updating frequency.

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对采用方波频率调制数字闭环谐振型光纤陀螺中克尔效应的影响进行了深入的理论分析。

The influence of Kerr effect to close-loop digital resonator fiber optic gyroscope based on square-wave frequency modulation was analyzed in theory.

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并用此方法测量了双线性振动陀螺的固有频率、品质因子、—阶模态振型和杨氏模量。

The natural frequency, quality factor, first mode of fold beam and Young's modulus of the double linear vibratory gyroscope were measured by the new setup.

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