Sparse recovery of the multimodal and dispersive characteristics of Lamb waves.

@article{Harley2013SparseRO,
  title={Sparse recovery of the multimodal and dispersive characteristics of Lamb waves.},
  author={Joel B. Harley and Jos{\'e} M. F. Moura},
  journal={The Journal of the Acoustical Society of America},
  year={2013},
  volume={133 5},
  pages={
          2732-45
        }
}
Guided waves in plates, known as Lamb waves, are characterized by complex, multimodal, and frequency dispersive wave propagation, which distort signals and make their analysis difficult. Estimating these multimodal and dispersive characteristics from experimental data becomes a difficult, underdetermined inverse problem. To accurately and robustly recover these multimodal and dispersive properties, this paper presents a methodology referred to as sparse wavenumber analysis based on sparse… CONTINUE READING
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