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Nonlinear filtering of multiplied and convolved signals

Oppenheim, A.V. ; Schafer, R.W. ; Stockham, T.G.

Proceedings of the IEEE, 1968-01, Vol.56 (8), p.1264-1291 [Periódico revisado por pares]

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Título:
Nonlinear filtering of multiplied and convolved signals
Autor: Oppenheim, A.V. ; Schafer, R.W. ; Stockham, T.G.
Assuntos: Application software ; Convolution ; Deconvolution ; Filtering ; Laboratories ; Linear systems ; Maximum likelihood detection ; Nonlinear filters ; Nonlinear systems ; Signal synthesis
É parte de: Proceedings of the IEEE, 1968-01, Vol.56 (8), p.1264-1291
Descrição: An approach to some nonlinear filtering problems through a generalized notion of superposition has proven useful. In this paper this approach is investigated for the nonlinear filtering of signals which can be expressed as products or as convolutions of components. The applications of this approach in audio dynamic range compression and expansion, image enhancement with applications to bandwidth reduction, echo removal, and speech waveform processing are presented.
Editor: IEEE
Idioma: Inglês

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