2012
DOI: 10.1007/s00034-012-9445-7
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Numeric Variable Forgetting Factor RLS Algorithm for Second-Order Volterra Filtering

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Cited by 30 publications
(8 citation statements)
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“…Some alternative approaches for the scale factor adaptation can be found in the literature [ 15 , 16 , 24 ]. Moreover, the application of the EPE-based VFF for solving different practical problems is also discussed in the literature [ 12 , 17 – 20 , 29 , 30 ]. However, similarly to sample mean and sample variance, the standard EPE approach is non-robust towards outliers [ 21 23 ].…”
Section: Problem Formulationmentioning
confidence: 99%
“…Some alternative approaches for the scale factor adaptation can be found in the literature [ 15 , 16 , 24 ]. Moreover, the application of the EPE-based VFF for solving different practical problems is also discussed in the literature [ 12 , 17 – 20 , 29 , 30 ]. However, similarly to sample mean and sample variance, the standard EPE approach is non-robust towards outliers [ 21 23 ].…”
Section: Problem Formulationmentioning
confidence: 99%
“…At this point, the forgetting factor λ plays an important role in the behavior of the RLS algorithm in terms of convergence, misalignment, and stability. λ is fixed in the classical FFRLS algorithm, usually called the fixed forgetting factor (FFF), and its value ranges from 0 to 1 [13]. It is known that if λ is close to 1, then the algorithm achieves faster convergence but with reduced tracking ability.…”
Section: Recursive Least Squares Methods With Fixed Forgettingmentioning
confidence: 99%
“…e zeroorder keeper uses constant extrapolation and holds the sampling value u(kT) at the moment kT to the moment (k + 1)T. Meanwhile, the sample value changes from u(kT) to u[(k + 1)T] and obtains a stepped output signal that contains higher harmonics. With increasing frequency, the amplitude of the zero-order keeper decays; thus, the zeroorder keeper possesses the characteristics of low-pass filtering [13]. Discretizing the combined integrating process of type (a),…”
Section: Discretization Of Combined Integrating Processmentioning
confidence: 99%
“…In the field of parameter identification for time-varying systems, identification methods with recursive least squares algorithms with a forgetting factor are common [18,21,31]. For example, Paleologu et al [35] proposed a variable forgetting factor RLS algorithm for time-varying systems identification, and Leung et al [19] presented a new variable forgetting factor RLS adaptive algorithm based on the mean square error.…”
Section: Introductionmentioning
confidence: 99%