Fast computation of static capacitance for periodic SAW transducers

Politi M.; Macchiarella G.

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Fast computation of static capacitance for periodic SAW transducers

机译：快速计算周期性SAW传感器的静态电容

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摘要

An efficient algorithm to compute the static capacitance of periodic SAW (surface acoustic wave) interdigital transducers is proposed. The method is based on a new formulation of the well-known relationship giving the capacitance as a linear combination of the charges induced on an infinite transducer for one-electrode excitation. Besides computational efficiency, an interesting physical interpretation of static capacitance results. The algorithm itself is also tailored to split-finger transducers.

机译：提出了一种有效的算法来计算周期声表面波（SAW）叉指式换能器的静态电容。该方法基于众所周知的关系的新公式，给出的电容是在无限换能器上感应到的单电极激发电荷的线性组合。除了计算效率外，还对静态电容产生了有趣的物理解释。该算法本身也针对手指分裂传感器进行了定制。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |1988年第6期|P.708-710|共3页
作者
Politi M.; Macchiarella G.;
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正文语种 eng
中图分类声学工程;
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Fast computation of static capacitance for periodic SAW transducers

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