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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Nguyen, H.Q. Unser, M. |
| Copyright Year | 2015 |
| Description | Author affiliation: Biomed. Imaging Group, Ecole Polytech. Fed. de Lausanne (EPFL), Lausanne, Switzerland (Nguyen, H.Q.; Unser, M.) |
| Abstract | The Poisson summation formula (PSF), which relates the sampling of an analog signal with the periodization of its Fourier transform, plays a key role in the classical sampling theory. In its current forms, the formula is only applicable to a limited class of signals in $L_{1}.$ However, this assumption on the signals is too strict for many applications in signal processing that require sampling of non-decaying signals. In this paper we generalize the PSF for functions living in weighted Sobolev spaces that do not impose any decay on the functions. The only requirement is that the signal to be sampled and its weak derivatives up to order 1/2+ ε for arbitrarily small ε > 0, grow slower than a polynomial in the $L_{2}$ sense. The generalized PSF will be interpreted in the language of distributions. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 291593 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781467373531 |
| DOI | 10.1109/SAMPTA.2015.7148838 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-05-25 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Presses Fourier transforms Convolution Polynomials Splines (mathematics) Kernel |
| Content Type | Text |
| Resource Type | Article |
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