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- W2950652004 abstract "Nonstationary Gabor frames were recently introduced in adaptive signal analysis. They represent a natural generalization of classical Gabor frames by allowing for adaptivity of windows and lattice in either time or frequency. In this paper we show a general existence result for this family of frames. We then give a perturbation result for nonstationary Gabor frames and construct nonstationary Gabor frames with non-compactly supported windows from a related painless nonorthogonal expansion. Finally, the theoretical results are illustrated by two examples of practical relevance." @default.
- W2950652004 created "2019-06-27" @default.
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- W2950652004 date "2011-12-22" @default.
- W2950652004 modified "2023-09-27" @default.
- W2950652004 title "Nonstationary Gabor Frames - Existence and Construction" @default.
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