Weyl-Heisenberg frames for subspaces of L^2(R)

Details Weyl-Heisenberg frames for subspaces of L^2(R) Weyl-Heisenberg frames for subspaces of L^2(R)

1998-11-24

arxiv.org/abs/math/9811146v1

Mathematics

Functional Analysis

13 pages

Scientific paper

We give sufficient conditions for translates and modulates of a function g in
L^2(R) to be a frame for its closed linear span. Even in the case where this
family spans all of L^2(R), wou conditions are significantly weaker than the
previous known conditions.

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