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Visualization of Mode Patterns of Piezoelectric Resonators Using Correlation Filter

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Copyright (c) 2002 The Japan Society of Applied Physics
, , Citation Yasuaki Watanabe et al 2002 Jpn. J. Appl. Phys. 41 3313 DOI 10.1143/JJAP.41.3313

1347-4065/41/5S/3313

Abstract

The application of a two-dimensional correlation filter to the mode shape visualization of piezoelectric devices is described. The filter extracts the vibrational patterns from two laser-speckle images of the driven and resting phases. The experimental results demonstrate clearly the feasibility of the proposed technique.

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10.1143/JJAP.41.3313