耦合振动对切向极化条纹电极压电圆柱（L）参数的影响。
Effects of coupled vibrations on the parameters of tangentially polarized stripe-electroded piezoelectric cylinders (L).
机构信息
BTech Acoustics LLC, Advanced Technology and Manufacturing Center, University of Massachusetts, 151 Martine Street, Fall River, Massachusetts 02723, USA.
出版信息
J Acoust Soc Am. 2011 Feb;129(2):582-4. doi: 10.1121/1.3518757.
The effects of coupled vibrations on the piezoelectric properties and electroacoustic transducer performance of radially polarized hollow cylindrical elements as a function of the choice of height-to-diameter ratio have been well documented [J. Acoust. Soc. Am. 120(3), 1374-1380 (2006); J. Acoust. Soc. Am. 122(6), 3419-3427 (2007)]. This letter presents experimental work on the effects of coupled (circumferential, axial, and flexural) vibrations on the resonance frequencies, effective electromechanical coupling coefficient, and acoustical performance of tangentially polarized piezoceramic cylindrical elements. Comparisons are made with analytical predictions of the properties of uniformly circumferentially polarized cylinders.
空心圆柱径向极化元件的耦合振动对其压电性能和电声换能器性能的影响，以及高度与直径比的选择的关系，已有相关文献进行了详细记载[J. 声学学会杂志 120(3), 1374-1380 (2006); J. 声学学会杂志 122(6), 3419-3427 (2007)]。本信函介绍了关于切向极化压电陶瓷圆柱元件的共振频率、有效机电耦合系数和声学性能的耦合（周向、轴向和弯曲）振动影响的实验工作，并与均匀周向极化圆柱的特性的分析预测进行了比较。
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