SPUDTs的封闭解

Proceedings of the 2005 IEEE International Frequency Control Symposium and Exposition, 2005. Pub Date : 2005-08-31 DOI:10.1109/FREQ.2005.1573918

E. Danicki, F. Hickernell, I. Mateescu

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引用次数: 2

摘要

通过摄动分析，提出并扩展了单相数字间换能器的严格的全场理论，以解释带钢的力学性能。该理论及其封闭表达式具有普遍性，适用于任何窄带换能器;它们已准备好在工程实践中用于设计和优化窄带SAW滤波器。推导出的等效方案提供了一种简单的方法来评估施加任意电压的非周期换能器的电性能。进一步的推广讨论了该频谱理论推广到任何伪表面波和宽频带器件。

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Closed-form solution for SPUDTs

Rigorous, full-field theory of single-phase interdigital transducers is presented and extended, by perturbation analysis, to account for the mechanical properties of strips. The theory and its resulting closed-form expressions are general and applicable to any narrow-band transducers; they are ready for use in engineering practice for designing and optimizing narrowband SAW filters. The derived equivalent scheme brings a simple method for evaluation of the electrical properties of aperiodic transducers with arbitrary voltages applied to the transducer fingers. Further generalization is discussed extending this spectral theory to any pseudo-surface waves and wide-band devices.

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Proceedings of the 2005 IEEE International Frequency Control Symposium and Exposition, 2005.

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