Abstract
AbstractWavelet transform is a mathematical technique with many applications in signal processing. Anomaly and faults in signals can be detected using wavelet transform due to their sensitivity to local discontinuity and singularity. One of the most important applications in signal processing through wavelet transform is damage detection in structures. In this paper, a comprehensive literature review is performed on notable works about damage detection in structures by wavelet method to introduce various applications of the wavelet transforms for detecting damages in different structures. Depending on the type of signal acquired from the structures, two types of wavelet analysis can be performed: one-dimensional wavelet transform and two-dimensional wavelet transform. This paper describes one-dimensional wavelet transform analyses to clarify how the wavelet analysis may be helpful for damage detection in structures.KeywordsDamage detectionWavelet transformsSignal processingAnomaly detectionDamaged structures
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