Manuel Duarte Ortigueira

Axioms, August, 2024

A Factory of Fractional Derivatives.

[BibT_eX]

[DOI]

Symmetry, July, 2024

The causal <i>α</i> -exponential and the solution of fractional linear time-invariant systems.

[BibT_eX]

[DOI]

Luis Verde-Star

Int. J. Syst. Sci., July, 2024

Principles of fractional signal processing.

[BibT_eX]

[DOI]

Digit. Signal Process., 2024

2023

Trans-Boolean Cyber Physical Systems.

[BibT_eX]

[DOI]

Francisco Neves

Proceedings of the Technological Innovation for Connected Cyber Physical Spaces, 2023

2022

Fractional derivative of power type functions.

[BibT_eX]

[DOI]

Comput. Appl. Math., December, 2022

Peak Detection and HRV Feature Evaluation on ECG and PPG Signals.

[BibT_eX]

[DOI]

Symmetry, 2022

A Preliminary Exploration of the Placental Position Influence on Uterine Electromyography Using Fractional Modelling.

[BibT_eX]

[DOI]

Sensors, 2022

Adaptive Filtering for the Maternal Respiration Signal Attenuation in the Uterine Electromyogram.

[BibT_eX]

[DOI]

Sensors, 2022

On the Feasibility of Real-Time HRV Estimation Using Overly Noisy PPG Signals.

[BibT_eX]

[DOI]

Filipa Esgalhado

Comput., 2022

Electrohysterography extracted features dependency on anthropometric and pregnancy factors.

[BibT_eX]

[DOI]

Biomed. Signal Process. Control., 2022

Real-Time PPG-Based HRV Implementation Using Deep Learning and Simulink.

[BibT_eX]

[DOI]

Filipa Esgalhado

Proceedings of the Technological Innovation for Digitalization and Virtualization, 2022

2021

Bilateral Tempered Fractional Derivatives.

[BibT_eX]

[DOI]

Symmetry, 2021

The contractiongram: A method for the visualization of uterine contraction evolution using the electrohysterogram.

[BibT_eX]

[DOI]

Biomed. Signal Process. Control., 2021

Improvements on Signal Processing Algorithm for the VOPITB Equipment.

[BibT_eX]

[DOI]

Proceedings of the Technological Innovation for Applied AI Systems, 2021

2020

On the properties of some operators under the perspective of fractional system theory.

[BibT_eX]

[DOI]

Commun. Nonlinear Sci. Numer. Simul., 2020

Uterine contractions clustering based on electrohysterography.

[BibT_eX]

[DOI]

Comput. Biol. Medicine, 2020

Idle Tone Detection in Biomedical Signals Using Time-Frequency Techniques.

[BibT_eX]

[DOI]

Proceedings of the Technological Innovation for Life Improvement, 2020

2019

Variable order fractional systems.

[BibT_eX]

[DOI]

Duarte Valério

Commun. Nonlinear Sci. Numer. Simul., 2019

2018

A critical analysis of the Caputo-Fabrizio operator.

[BibT_eX]

[DOI]

Commun. Nonlinear Sci. Numer. Simul., 2018

Corrigendum to "On the computation of the multidimensional Mittag-Leffler function" [Commun. Nonlinear Sci. Numer. Simulat. 53 (2017) 278-287].

[BibT_eX]

[DOI]

António M. Lopes

Commun. Nonlinear Sci. Numer. Simul., 2018

Reducing bias in fractional order impedance estimation for lung function evaluation.

[BibT_eX]

[DOI]

Dana Copot

Robin De Keyser

Eric Derom

Clara M. Ionescu

Biomed. Signal Process. Control., 2018

2017

On the computation of the multidimensional Mittag-Leffler function.

[BibT_eX]

[DOI]

António M. Lopes

Commun. Nonlinear Sci. Numer. Simul., 2017

2016

Exponentials and Laplace transforms on nonuniform time scales.

[BibT_eX]

[DOI]

Delfim F. M. Torres

Commun. Nonlinear Sci. Numer. Simul., 2016

A multichannel time-frequency and multi-wavelet toolbox for uterine electromyography processing and visualisation.

[BibT_eX]

[DOI]

Comput. Biol. Medicine, 2016

2015

A generalized power series and its application in the inversion of transfer functions.

[BibT_eX]

[DOI]

Valery I. Martynyuk

Fernando J. V. Coito

Signal Process., 2015

Integer/fractional decomposition of the impulse response of fractional linear systems.

[BibT_eX]

[DOI]

Margarita Rivero

Signal Process., 2015

Fractional signal processing and applications.

[BibT_eX]

[DOI]

Clara M. Ionescu

Signal Process., 2015

Discrete-time differential systems.

[BibT_eX]

[DOI]

Fernando J. V. Coito

Signal Process., 2015

Fractional model of an electrochemical capacitor.

[BibT_eX]

[DOI]

Valeriy Martynyuk

Signal Process., 2015

What is a fractional derivative?

[BibT_eX]

[DOI]

J. Comput. Phys., 2015

From a generalised Helmholtz decomposition theorem to fractional Maxwell equations.

[BibT_eX]

[DOI]

Margarita Rivero

Commun. Nonlinear Sci. Numer. Simul., 2015

Comments on "Discretization of fractional order differentiator over Paley-Wiener space".

[BibT_eX]

[DOI]

Appl. Math. Comput., 2015

2014

On the Recursive Solution to the Normal Equations: Some Other Results [Lecture Notes].

[BibT_eX]

[DOI]

IEEE Signal Process. Mag., 2014

Comments on "The fractional Laplace transform".

[BibT_eX]

[DOI]

Signal Image Video Process., 2014

On the particular solution of constant coefficient fractional differential equations.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2014

A simple approach to the particular solution of constant coefficient ordinary differential equations.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2014

2013

ARMA Modelling for Sleep Disorders Diagnose.

[BibT_eX]

[DOI]

João Caldas da Costa

Teresa Paiva

Proceedings of the Technological Innovation for the Internet of Things, 2013

2012

A real regularised fractional derivative.

[BibT_eX]

[DOI]

Richard L. Magin

M. Pilar Velasco

Signal Image Video Process., 2012

The Incremental Ratio Based Causal fractional Calculus.

[BibT_eX]

[DOI]

Margarita Rivero

Int. J. Bifurc. Chaos, 2012

A New Approach to Rational Discrete-Time Approximations to Continuous-Time Fractional-Order Systems.

[BibT_eX]

[DOI]

Carlos J. C. Matos

Proceedings of the Technological Innovation for Value Creation, 2012

Short Time Fourier Transform and Automatic Visual Scoring for the Detection of Sleep Spindles.

[BibT_eX]

[DOI]

João Caldas da Costa

Proceedings of the Technological Innovation for Value Creation, 2012

2011

Fractional Calculus for Scientists and Engineers

[BibT_eX]

[DOI]

Lecture Notes in Electrical Engineering 84, Springer, ISBN: 978-94-007-0746-7, 2011

Fractional signals and systems.

[BibT_eX]

[DOI]

Blas M. Vinagre

Signal Process., 2011

On the fractional signals and systems.

[BibT_eX]

[DOI]

Richard L. Magin

Igor Podlubny

Signal Process., 2011

ARMA Modelling of Sleep Spindles.

[BibT_eX]

[DOI]

João Caldas da Costa

Proceedings of the Technological Innovation for Sustainability, 2011

2010

On the Fractional Linear Scale Invariant Systems.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2010

System initial conditions vs derivative initial conditions.

[BibT_eX]

[DOI]

Fernando J. V. Coito

Comput. Math. Appl., 2010

MicroECG: An Integrated Platform for the Cardiac Arrythmia Detection and Characterization.

[BibT_eX]

[DOI]

Bruno Nascimento

Luis Brandão Alves

Proceedings of the Emerging Trends in Technological Innovation, 2010

Fractional Filters: An Optimization Approach.

[BibT_eX]

[DOI]

Carlos J. C. Matos

Proceedings of the Emerging Trends in Technological Innovation, 2010

<i> Railscan</i>: A Tool for the Detection and Quantification of Rail Corrugation.

[BibT_eX]

[DOI]

Rui Gomes

Marco Baldeiras

Proceedings of the Emerging Trends in Technological Innovation, 2010

A Contribution for the Automatic Sleep Classification Based on the Itakura-Saito Spectral Distance.

[BibT_eX]

[DOI]

Eduardo Cardoso

Rui Rodrigues

Cristina Bárbara

Cristina Martinho

Proceedings of the Emerging Trends in Technological Innovation, 2010

2009

On the Linear Scale Fractional Systems - An Application of the Fractional Quantum Derivative.

[BibT_eX]

Proceedings of the ICINCO 2009, Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics, 2009

2007

Wireless Systems New quasi-orthogonal BCH-derived sequences for CDMA applications.

[BibT_eX]

[DOI]

Cesaltina N. E. Ricardo

José António Beltran Gerald

Eur. Trans. Telecommun., 2007

2006

A new least-squares approach to differintegration modeling.

[BibT_eX]

[DOI]

António Joaquim Serralheiro

Signal Process., 2006

Fractional calculus applications in signals and systems.

[BibT_eX]

[DOI]

José António Tenreiro Machado

Signal Process., 2006

A coherent approach to non-integer order derivatives.

[BibT_eX]

[DOI]

Signal Process., 2006

Riesz potential operators and inverses via fractional centred derivatives.

[BibT_eX]

[DOI]

José António Beltran Gerald

Int. J. Math. Math. Sci., 2006

2005

New PN Even Balanced Sequences for Spread-Spectrum Systems.

[BibT_eX]

[DOI]

José A. L. Inácio

EURASIP J. Wirel. Commun. Netw., 2005

2003

Fractional signal processing and applications.

[BibT_eX]

[DOI]

José António Tenreiro Machado

Signal Process., 2003

A new symmetric fractional B-spline.

[BibT_eX]

[DOI]

Signal Process., 2003

On the initial conditions in continuous-time fractional linear systems.

[BibT_eX]

[DOI]

Signal Process., 2003

Efficient digital self-calibration of video-rate pipeline ADCs using white Gaussian noise.

[BibT_eX]

[DOI]

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

Low-voltage low-power CMOS analogue circuits for Gaussian and uniform noise generation.

[BibT_eX]

[DOI]

Guiomar Evans

João Goes

Adolfo Steiger-Garção

Nuno F. Paulino

Jilseph Lopes Silva

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

2001

The comb signal and its Fourier transform.

[BibT_eX]

[DOI]

Signal Process., 2001

New results on fractional linear prediction.

[BibT_eX]

[DOI]

Carlos J. C. Matos

Proceedings of the 6th European Control Conference, 2001

A signal processing view of differintegration.

[BibT_eX]

[DOI]

Arnaldo G. Batista

Proceedings of the 6th European Control Conference, 2001

1997

Fractional discrete-time linear systems.

[BibT_eX]

[DOI]

Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996

A new algorithm for the factorization and inversion of recursively generated matrices.

[BibT_eX]

[DOI]

Signal Process., 1996

1993

ARMA realization from the reflection coefficient sequence.

[BibT_eX]

[DOI]

Signal Process., 1993

1991

Eigendecomposition versus singular value decomposition in adaptive array signal processing.

[BibT_eX]

[DOI]

Miguel Angel Lagunas

Signal Process., 1991

1990

A weighted min-norm method with a recursive implementation.

[BibT_eX]

[DOI]

Miguel Angel Lagunas

Proceedings of the 1990 International Conference on Acoustics, 1990

1984

A framework for the evaluation of spectral analysis techniques.

[BibT_eX]

[DOI]

José M. Tribolet

Proceedings of the IEEE International Conference on Acoustics, 1984

1983

On the double Levinson recursion formulation of ARMA spectral estimation.

[BibT_eX]

[DOI]