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Introduction to Hilbert Space Frames
We present an introduction to Hilbert space frames. A frame is a generalization of a basis that is useful, for example, in signal processing. It allows us to expand Hilbert space vectors in terms of a set of other vectors that satisfy a certain “energy equivalence” condition. This condition guarantees that any vector in the Hilbert space can be reconstructed in a numerically stable way from its...
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ژورنال
عنوان ژورنال: The American Mathematical Monthly
سال: 1962
ISSN: 0002-9890
DOI: 10.2307/2310859