Weyl-Heisenberg frames for subspaces of L^2(R)
Functional Analysis
2007-05-23 v1
Abstract
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.
Keywords
Cite
@article{arxiv.math/9811146,
title = {Weyl-Heisenberg frames for subspaces of L^2(R)},
author = {Peter G. Casazza and Ole Christensen},
journal= {arXiv preprint arXiv:math/9811146},
year = {2007}
}
Comments
13 pages