Abstract
We discuss expansions of L 2-functions into {φmn; m,n∈Z}, where the φmn are generated from one function φ, either by translations in phase space, i.e. \(\phi _{mn} (x) = e^{imp_0 x} \phi (x - nq_0 )\), (p 0, q 0 fixed), or by translations and dilations, i.e. φmn(x)=a −m/20 φ(a −m0 x−nb 0). These expansions can be used for phase space localization.
This paper is partially supported by NSF grant MCS 8301662.
"Bevoegdverklaard Navorser" at the Belgian National Science Foundation; on leave from Vrije Universiteit Brussel, Belgium.
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© 1987 Springer-Verlag
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Daubechies, I. (1987). Discrete sets of coherent states and their use in signal analysis. In: Knowles, I.W., Saitō, Y. (eds) Differential Equations and Mathematical Physics. Lecture Notes in Mathematics, vol 1285. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0080582
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DOI: https://doi.org/10.1007/BFb0080582
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