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Sparse multi-time wavenumber analysis method based on incomplete guided wavefield data
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DOI：10.1016/j.apacoust.2025.111028.png)
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Abstract
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• Sparse multi-time wavenumber analysis method is proposed for damage imaging and quantitative detection using incomplete guided wavefield data. • Using compressed sensing reconstructs multi-time guided wavefield snapshots from sparsely sampled data, preserving structural information. • Validated on aluminum and carbon fibre composite plates, the method slashes data need while preserving imaging quality and accuracy.
Keywords:
sparse multi-time wavenumber analysis
compressed sensing
guided wavefield reconstruction
damage imaging
quantitative detection
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