Photo of Manuel D. Ortigueira
  • Portugal

Accepting PhD Students

  • 2010 Citations
  • 22 h-Index
1984 …2019

Research output per year

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Research Output at NOVA

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Conference contribution
2015

An alternative method for ARMA(p, q) model characterization of multipath fading channels

Mera, D., Tavares, G. & Ortigueira, M., 1 Jul 2015, 2015 IEEE 81st Vehicular Technology Conference, VTC Spring 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015. 7145681

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

New results on fractional linear prediction

Ortigueira, M. D. & Matos, C. J. C., 31 Mar 2015, 2001 European Control Conference, ECC 2001. Institute of Electrical and Electronics Engineers Inc., p. 1752-1757 6 p. 7076174

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2014

On the 'walking dead' derivatives: Riemann-Liouville and Caputo

Ortigueira, M. D., 25 Nov 2014, 2014 International Conference on Fractional Differentiation and Its Applications, ICFDA 2014. Institute of Electrical and Electronics Engineers Inc., 6967433

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)
2013

A New Look into the Discrete-Time Fractional Calculus: Derivatives and Exponentials

Ortigueira, M. D., 1 Jan 2013, Fractional Differentiation and its Applications. p. 629-634

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
6 Citations (Scopus)

A New Look into the Discrete-Time Fractional Calculus: Transform and Linear Systems

Coito, F. J. A. V. D. & Ortigueira, M. D., 1 Jan 2013, Workshop on Fractional Differentiation and its Applications. p. 635-640

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
4 Citations (Scopus)

ARMA Modelling for Sleep Disorders Diagnose

Batista, A. M. G. & Ortigueira, M. D., 1 Jan 2013, IFIP Advances in Information and Communication Technology. Vol. 394. p. 271-278

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

Observability and Controllability of Fractional Linear Dynamical Systems

Ortigueira, M. D., 1 Jan 2013, IFAC Joint Conference SSSC. p. 893-898

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
4 Citations (Scopus)
2012

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

Ortigueira, M. D. & DEE Group Author, 1 Jan 2012, IFIP Advances in Information and Communication Technology. Vol. 372. p. 251-258

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

A Relation Between the Fractional Derivative and the Hilbert Transform

Ortigueira, M. D. & DEE Group Author, 1 Jan 2012, Mathmod - International Conference on Mathematical Modelling. p. 597-599

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

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

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2012, IFIP Advances in Information and Communication Technology. Vol. 372. p. 267-272

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Threshold choice for automatic spindle detection

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2012, Proceedings of the 19th International Conference on Systems, Signals and Image Processing (IWSSIP 2012). p. 197-200

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Two-sided discrete fractional derivatives and systems

Ortigueira, M. D. & DEE Group Author, 1 Jan 2012, AIP Conference Proceedings. p. 1416-1419

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2 Citations (Scopus)
2011

ARMA Modelling of Sleep Spindles

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2011, IFIP Advances in Information and Communication Technology. p. 341-348

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
3 Citations (Scopus)

On a Unified Fractional Derivative

Ortigueira, M. D. & DEE Group Author, 1 Jan 2011, Proceedings of the 7th International ASME/IEEE Conference on Mechatronics & Embedded Systems and Applications. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

Sleep spindles: Decomposition, parameterization and applications

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2011, IEEE Conference on Signal Processing and Communications Applications (SIU). p. 1181-1184

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2010

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

Rodrigues, R. A. P., Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. p. 374-381

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

Are RL and C derivatives really useful?

Coito, F. J. A. V. D., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFAC-FDA. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fractional Filters: An Optimization Approach

Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. Vol. 314. p. 361-366

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
4 Citations (Scopus)

Fractional Lower Order Moments in NMR: A New Measure of Tissue Complexity

Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, International Symposium Mathematical Methods in Engineering. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Generalized GL, Caputo, and Riemann-Liouville derivatives for analytic functions

Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, International Conference on Nonlinear Science and Complexity. p. 28-31

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Generalized GL Fractional Derivative and its Laplace and Fourier Transform

Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, PROCEEDINGS OF ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE. p. 1227-1231

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

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

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. Vol. 314. p. 367-373

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

On a not so Fast Fourier Transform

Coito, F. J. A. V. D., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, -. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Railscan: A Tool for the Detection and Quantification of Rail Corrugation

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. Vol. 314. p. 401-408

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
6 Citations (Scopus)

The incremental ratio based causal Fractional Calculus for analytic functions

Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFAC-FDA. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2009

FILTERS: Fractional vs Integer order

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2009, -. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ON THE LINEAR SCALE FRACTIONAL SYSTEMS An Application of the Fractional Quantum Derivative

Ortigueira, M. D. & DEE Group Author, 1 Jan 2009, ICINCO 2009: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON INFORMATICS IN CONTROL, AUTOMATION AND ROBOTICS. p. 196-202

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2008

Identifying a transfer function from a frequency response

Ortigueira, M. D., Valério, D. & Da Costa, J. S., 2008, 2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007. Vol. 5 PART B. p. 1405-1414 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2007

Potential dementia biomarkers based on the time-varying micro structure of sleep EEG spindles

Ktonas, P. Y., Golemati, S., Xanthopoulos, P., Sakkalis, V., Ortigueira, M. D., Tsekou, H., Zervakis, M., Paparrigopoulos, T. & Soldates, C. R., 2007, 29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07. p. 2464-2467 4 p. 4352827

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Citations (Scopus)
2006

Fractional central differences and derivatives

Ortigueira, M. D., 2006, 2nd IFAC Workshop on Fractional Differentiation and its Applications, FDA 2006 - Final Program. PART 1 ed. Vol. 2. p. 58-63 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2004

Considerations about the choice of a differintegrator

Ortigueira, M. D., Machado, J. A. T. & Da Costa, J. S., 2004, ICCC 2004 - Second IEEE International Conference on Computational Cybernetics, Proceedings. Elmenreich, W., Haidinger, W. & Machado, J. A. T. (eds.). p. 385-389 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

New insights into pseudo-fractional ARMA modelling

Ortigueira, M. D. & Serralheiro, A. J., 2004, ICCC 2004 - Second IEEE International Conference on Computational Cybernetics, Proceedings. Elmenreich, W., Haidinger, W. & Machado, J. A. T. (eds.). p. 391-394 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution