Sufficient conditions are derived for sums of Weyl-Heisenberg frames to form frames for L2(R), including infinite sums under convergence of square-root upper bounds, and these are applied to accelerate the frame algorithm.
K.: Matrix-valued nonstationary frames associated with Weyl-Heisenberg group and extended affine group
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Sums of Frames from the Weyl--Heisenberg Group and Applications to Frame Algorithm
Sufficient conditions are derived for sums of Weyl-Heisenberg frames to form frames for L2(R), including infinite sums under convergence of square-root upper bounds, and these are applied to accelerate the frame algorithm.