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- Francisco das Chagas de Souza, Orlando JosÃ© Tobias, Rui Seara, Dennis R. Morgan
- IEEE Transactions on Signal Processing
- 2010

This paper presents a proportionate normalized least-mean-square (PNLMS) algorithm using individual activation factors for each adaptive filter coefficient, instead of a global activation factor asâ€¦ (More)

- Francisco das Chagas de Souza, Orlando JosÃ© Tobias, Rui Seara, Dennis R. Morgan
- 2009 17th European Signal Processing Conference
- 2009

This paper presents a proportionate normalized least-mean-square (PNLMS) algorithm using an individual activation factor for each adaptive filter coefficient. Such strategy is used instead of aâ€¦ (More)

- Francisco das Chagas de Souza, Rui Seara, Dennis R. Morgan
- IEEE Transactions on Signal Processing
- 2012

This correspondence presents an individual-activation-factor proportionate normalized least-mean-square (IAF-PNLMS) algorithm that (during the adaptive process) uses a new gain distribution strategyâ€¦ (More)

- Francisco das Chagas de Souza, Orlando JosÃ© Tobias, Rui Seara, Dennis R. Morgan
- IEEE Transactions on Signal Processing
- 2010

This correspondence studies the adaptive weight evolution of the individual-activation-factor proportionate normalized least-mean-square (IAF-PNLMS) algorithm. For such, the modeling methodology usedâ€¦ (More)

- Eduardo Vinicius Kuhn, Francisco das Chagas de Souza, Rui Seara, Dennis R. Morgan
- Signal Processing
- 2014

- Marcio Eduardo G. Silva, JoÃ£o Viana da Fonseca Neto, Francisco das Chagas de Souza
- 2014 UKSim-AMSS 16th International Conference onâ€¦
- 2014

In the context of discrete multivariable optimal linear quadratic regulator and reinforcement learning, this paper is attained to an investigation on PNLMS algorithm for online approximated solutionâ€¦ (More)

- FÃ¡bio Luis Perez, Eduardo Vinicius Kuhn, Francisco das Chagas de Souza, Rui Seara
- Signal Processing
- 2017

This paper introduces a new gain distribution policy for proportionate normalized least-meansquare (PNLMS)-type algorithms. In the proposed approach, gains assigned to the coefficients that haveâ€¦ (More)

- Eduardo Vinicius Kuhn, Francisco das Chagas de Souza, Rui Seara, Dennis R. Morgan
- IEEE Signal Processing Letters
- 2014

This letter presents model expressions describing the steady-state behavior of proportionate normalized least-mean-square (PNLMS)-type algorithms, taking into account both complex- and real-valuedâ€¦ (More)

An improved mean-square weight deviation-proportionate gain algorithm based on error autocorrelation

- FÃ¡bio Luis Perez, Francisco das Chagas de Souza, Rui Seara
- Signal Processing
- 2014

This paper presents an alternative approach to the gain distribution policy used in the zproportionate algorithm. The gain policy of the z-proportionate uses a rule that combines the mean-squareâ€¦ (More)

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