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Karoline Holand

As seen in: Frontiers in Marine Science
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Articles

Recovery of directional wave spectrum from sparse data with compressed sensing

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By Qingyu Jiang, Henrik Kalisch, Michel Benoît, Patrick Sprenger, Karoline Holand
| Frontiers in Marine Science
Abstract Compressed sensing provides an efficient framework for reconstructing wave signals from reduced measurements. For multi-channel buoy data, the three displacement components exhibit intrinsic correlations, as wave motion contributes simultaneously to all directions according to linear wave theory. Meanwhile, conventional compressed sensing methods based on ℓ1-shrinkage tend to underestimate signal energy when sparsity is not strictly satisfied, leading to biased spectral estimation.
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