An adaptive nonlinear prefilter for compensation of distortion in nonlinear systems

An adaptive nonlinear prefilter for compensation of distortion in nonlinear systems

This article concerns the linearization of a nonlinear system by connecting a nonlinear Volterra prefilter tandemly with the nonlinear system and by adaptively adjusting the coefficients of the prefilter. "A nonlinear filtered-x LMS algorithm" for updating the coefficients of a nonlinear p...

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Veröffentlicht in:IEEE transactions on signal processing 1998-06, Vol.46 (6), p.1726-1730
Hauptverfasser: Lim, Yong Hoon, Cho, Yong Soo, Cha, Il Whan, Youn, Dae Hee
Format: Artikel
Sprache:eng
Schlagworte:
Adaptive algorithm
Adaptive filters
Applied sciences
Detection, estimation, filtering, equalization, prediction
Exact sciences and technology
Filtering theory
Information, signal and communications theory
Joining processes
Least squares approximation
Nonlinear distortion
Nonlinear filters
Nonlinear systems
Performance analysis
Signal and communications theory
Signal processing algorithms
Signal, noise
Telecommunications and information theory
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Beschreibung
Zusammenfassung:This article concerns the linearization of a nonlinear system by connecting a nonlinear Volterra prefilter tandemly with the nonlinear system and by adaptively adjusting the coefficients of the prefilter. "A nonlinear filtered-x LMS algorithm" for updating the coefficients of a nonlinear prefilter, as proposed, is shown to be viewed as an extension of the well-known filtered-x LMS algorithm.
ISSN:1053-587X
1941-0476
DOI:10.1109/78.678508