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Averaging Frames and Least-Energy Representation of a Signal

Sh. Banaei, H. Vaezi, K. Farajeyan


In this paper we show that the least-energy representation of a signal f is reduced by averaging frames, with respect to any other frames and we find the best approximation in the averaging frames. Furthermore, we show that every Riesz basis is invariant under the isomorphism.


frame, best approximation, Riesz basis, averaging frame.

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