A new reduced-order model of SAW interdigital transducers

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 computat...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2001-10, Vol.49 (10), p.1785-1791
Main Authors: Peverini, O.A., Orta, R., Tascone, R.
Format: Article
Language:English
Subjects:
Accuracy
Algorithm design and analysis
Complexity
Computation
Computational complexity
Computational efficiency
Decomposition
Design automation
Design engineering
Design optimization
Interdigital transducers
Linear systems
Mathematical models
Microwaves
Reduced order systems
Singular value decomposition
Surface acoustic waves
Transducers
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Summary: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.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.954785