Abstract
Based on a circular arc scanning model and the formularizing of hysteresis curves of piezoelectric tubes, a three-dimensional scanning model of piezoelectric tubes is presented and used to compensate distortions of measured images scanned by a piezoelectric tube. This model-based compensation method can correct three-dimensional distortions simultaneously with two key parameters which are obtained just by measuring vertical deformation-voltage characteristics of the piezoelectric tube. Experiments showing the effectiveness of this method are also discussed in this article.
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