1993
DOI: 10.1137/0524080
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Time-Frequency Localization via the Weyl Correspondence

Abstract: Public reporting burden for this collection of information is estimated to average I houri per resOpnse. including the time for reviewing Instructions. searching existing data sources,. gathering and maintaining the data needed, and completing and reviewing the collection of information Send comments rearding this burden estimate or any other aspect of this Approved for public release; distribution unlimited A ABSTRACT (Maximum 200 word)A technique of producing signals whose energy is concentrated in a given r… Show more

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Cited by 84 publications
(24 citation statements)
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“…Others have: done work to further generalize energy concentration to arbitrarily shaped regions of the TF plane [55] rather than just parallelograms. It would therefore be possible to use these results to define more general parameterizable transforms based on families of multiple analysis primitives acting collectively in the TF plane.…”
Section: ) Pyramidal (Multiresolution) True-rectangular Tf Tilingmentioning
confidence: 99%
“…Others have: done work to further generalize energy concentration to arbitrarily shaped regions of the TF plane [55] rather than just parallelograms. It would therefore be possible to use these results to define more general parameterizable transforms based on families of multiple analysis primitives acting collectively in the TF plane.…”
Section: ) Pyramidal (Multiresolution) True-rectangular Tf Tilingmentioning
confidence: 99%
“…The role of these operators to localize a signal simultaneously in time and frequency domains, this can be seen as the uncertainty principle. The localization operators were introduced and studied by Daubechies [9][10][11], Ramanathan and Topiwala [30], and extensively investigated in [16,33,35]. This class of operators occurs in various branches of pure and applied mathematics and has been studied by many authors.…”
Section: Introductionmentioning
confidence: 99%
“…This class of operators occurs in various branches of pure and applied mathematics and has been studied by many authors. Localization operators are recognized as an important new mathematical tool and have found many applications to time-frequency analysis, quantum mechanics, the theory of differential equations, and signal processing (see [7,18,22,23,30,35]). They are also known as anti-Wick operators, wave packets, Toeplitz operators, or Gabor multipliers (see [5,8,16,23]).…”
Section: Introductionmentioning
confidence: 99%
“…The localization problem, i.e., estimating the integral of the Wigner distribution over a subregion of the phase space, and the closely related problem of the optimal simultaneous concentration of ψ and its Fourier transform ψ, have received much attention in the literature both in quantum mechanics, mathematical time-frequency analysis, and signal processing (see e.g. [1,2,3,4,5,6,9,10,12,13,11], and the references within). Bounds on the L p norms were found in [7].…”
Section: Introductionmentioning
confidence: 99%