The Short-Time Fourier Transform of Distributions of Exponential Type and Tauberian Theorems for Shift-Asymptotics

Sanja Kostadinova, Stevan Pilipović, Katerina Saneva, Jasson Vindas


We study the short-time Fourier transform on the space $\mathcal{K}_{1}'(\mathbb{R}^n)$ of distributions of exponential type. We give characterizations of  $\mathcal{K}_{1}'(\mathbb{R}^n)$ and some of its subspaces in terms of modulation spaces. We also obtain various Tauberian theorems for the short-time Fourier transform.

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