Publications [#287128] of Ingrid Daubechies

Papers Published

  1. Daubechies, I; Paul, T, Time-frequency localisation operators-a geometric phase space approach: II. The use of dilations, Inverse Problems, vol. 4 no. 3 (December, 1988), pp. 661-680, IOP Publishing, ISSN 0266-5611
    (last updated on 2019/04/22)

    Operators which localise both in time and frequency are constructed. They restrict to a finite time interval and cut off low as well as high frequencies (band-pass filters). Explicit expressions for eigenvalues and eigenfunctions (Laguerre functions) are given.