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Dilation-Covariant Hankel Pencils for Multiscale Recovery of Sparse Mellin Spectra

Deng, Zhiliang et al.
arXiv (All) · Papers
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42c40numerical-analysis
We study sparse Mellin spectral recovery from geometric samples. Dilation covariance is shown to generate the Hankel structure directly, rather than only after reduction to a classical exponential-sum model. For complex exponents, incommensurate sampling scales remove the logarithmic aliasing that p
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