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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Application of synchronous two-port resonators for measurement of SAW parameters in piezoelectric crystals
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Application of synchronous two-port resonators for measurement of SAW parameters in piezoelectric crystals

机译:同步二端口谐振器在压电晶体声表面波参数测量中的应用

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摘要

The synchronous two-port resonator can be used for the determination of SAW parameters, including velocity, electromechanical coupling coefficient, and reflection coefficient of one strip. These parameters can be determined from a comparison between the measured and calculated transfer functions of the resonator. Using this technique, the SAW free surface velocity of the 45/spl deg/XZ-cut of lithium tetraborate (Li/sub 2/B/sub 4/O/sub 7/) crystal was found to be equal to 3436 m/s. The other measured parameters agree well with the values found in the literature.
机译:同步二端口谐振器可用于确定声表面波参数,包括速度,机电耦合系数和一条带的反射系数。这些参数可以通过比较谐振器的测量传递函数和计算传递函数来确定。使用该技术,发现四硼酸锂(Li / sub 2 / B / sub 4 / O / sub 7 /)晶体的45 / spl deg / XZ切角的SAW自由表面速度等于3436 m / s 。其他测得的参数与文献中的值非常吻合。

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