Effective support, Dirac combs, and signal recovery

G. Garza, K. Gurevich, A. Iosevich +3

Let $f:{\mathbb{Z}}_N^d\to \mathbb{C}$ be a signal with the Fourier transform $\hat{f}:{\mathbb{Z}}_N^d\to \mathbb{C}$. A classical result due to Matolcsi and Szucs (\cite{MS73}), and…