Experimental evidence for mode shape influence on acceleration-induced frequency shifts in quartz resonators

EerNisse E.P.; Ward R.W.

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Experimental evidence for mode shape influence on acceleration-induced frequency shifts in quartz resonators

机译：模式形状对石英谐振器中加速度引起的频移影响的实验证据

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Experimental results are presented to support the hypothesis that the shape and location of the active region of vibration in a thickness shear mode quartz resonator are the dominant factors in determining the acceleration sensitivity of the resonator. The shape and location of the mode in a real world resonator vary sufficiently from unit to unit (due to material and processing variations) that all other considerations are overwhelmed. It is shown experimentally that the mode shape and/or location can be trimmed with energy trapping by judicious addition or subtraction of mass to produce resonators with improved acceleration sensitivity.

机译：提出实验结果以支持这样的假设：厚度剪切模式石英谐振器中振动有效区域的形状和位置是确定谐振器加速度灵敏度的主要因素。现实世界中谐振器中模式的形状和位置因单元而异（由于材料和工艺的变化）而有很大差异，以至于所有其他考虑都被淹没了。实验表明，通过明智地增加或减少质量，可以通过能量俘获来修整模式形状和/或位置，以制造出具有改进的加速度灵敏度的谐振器。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |1990年第6期|P.566-570|共5页
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EerNisse E.P.; Ward R.W.;
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正文语种 eng
中图分类声学工程;
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3. Frequency shift of a crystal quartz resonator in thickness-shear modes induced by an array of hemispherical material units [J] . Yuantai Hu, Huiliang Hu, Bin Luo, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 2013,第8期

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4. Acceleration-induced frequency-shifts in quartz resonators [C] . EerNisse E.P., Ward R.W., Wood O.L. Frequency Control, 1989., Proceedings of the 43rd Annual Symposium on . 1989

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Experimental evidence for mode shape influence on acceleration-induced frequency shifts in quartz resonators

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