Uncertainty principle for Gabor systems and the Zak transform
Journal Article
·
· Journal of Mathematical Physics
- Institute of Mathematics, University of Wrodaw, Plac Grunwaldzki 2/4, 50-384 Wrodaw (Poland)
We show that if g(set-membership sign)L{sup 2}(R) is a generator of a Gabor orthonormal basis with the lattice ZxZ, then its Zak transform Z(g) satisfies {nabla}Z(g)(negated-set-membership sign)L{sup 2}([0,1){sup 2}). This is a generalization and extension of the Balian-Low uncertainty principle.
- OSTI ID:
- 20861566
- Journal Information:
- Journal of Mathematical Physics, Vol. 47, Issue 12; Other Information: DOI: 10.1063/1.2393146; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-2488
- Country of Publication:
- United States
- Language:
- English
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