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A new reduced-order model of SAW interdigital transducers

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3 Author(s)
Peverini, O.A. ; Dept. of Electron., Politecnico di Torino, Italy ; Orta, R. ; Tascone, R.

The Green's function method is generally agreed to be the most satisfactory technique for the rigorous analysis of surface-acoustic-wave interdigital transducers (IDTs). However, its direct application to response investigations or optimization-based design activities is limited by its computational complexity. In this paper, we present a new reduced-order model of IDTs based on a moment-matching technique and on the singular value decomposition. Several numerical and experimental examples demonstrate the accuracy and the efficiency of the method

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 10 )