METHOD AND SYSTEM FOR MEASURING G-SENSITIVITY OF QUARTZ OSCILLATORS

A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequency of the quartz oscillator at a predetermined rate as a function of time during rotation, and estimating an integral g-sensitivity vector while the quartz oscillator is rotated. Estimation can be performed utilizing a data fitting and estimation model, e.g., a Least Square Method (LSM) in one example, using the frequency measurements obtained while the quartz oscillator is in rotation around the axes. The method and system are especially useful for measuring g-sensitivity of quartz oscillators that are incorporated in high-precision systems, such as navigation receivers, which operate in environments that are subjected to vibrational effects and other mechanical forces. 提供一种用于对石英振荡器的g灵敏度进行估计的方法和系统，其包括使石英振荡器围绕构成满秩系统的多个轴中的每个轴连续地旋转，在旋转期间以预定速率作为时间的函数来对石英振荡器的频率进行测量，并且在石英振荡器旋转时对积分g灵