Discrete Subspace Multiwindow Gabor Frames and Their Duals
Discrete Subspace Multiwindow Gabor Frames and Their Duals
This paper addresses discrete subspace multiwindow Gabor analysis. Such a scenario can model many practical signals and has potential applications in signal processing. In this paper, using a suitable Zak transform matrix we characterize discrete subspace mixed multi-window Gabor frames (Riesz bases and orthonormal bases) and their duals with Gabor …