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Sparse Dual Frames and Dual Gabor Functions of Minimal Time and Frequency Supports

✍ Scribed by Shidong Li, Yulong Liu, Tiebin Mi


Book ID
120896745
Publisher
SP Birkhäuser Verlag Boston
Year
2012
Tongue
English
Weight
879 KB
Volume
19
Category
Article
ISSN
1069-5869

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Gabor Frames and Time-Frequency Analysis
✍ Hans G. Feichtinger; K Gröchenig 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 503 KB

This paper lays the foundation for a quantitative theory of Gabor expansions f (x)= k, n c k, n e 2?in:x g(x&k;). In analogy to wavelet expansions of Besov Triebel Lizorkin spaces, we show that the correct class of spaces which can be characterized by the magnitude of the coefficients c k, n is the