???global.info.a_carregar???
Fernando Manuel Tim Tim Janeiro. Published 29 articles in journals. Has 4 section(s) of books and 4 book(s).
Identification

Personal identification

Full name
Fernando Manuel Tim Tim Janeiro

Citation names

  • Janeiro, Fernando M.

Author identifiers

Ciência ID
2F1B-B9E9-2B5B
ORCID iD
0000-0002-6005-2844

Websites

  • https://it.pt/Members/Index/427 (Scholar)

Knowledge fields

  • Engineering and Technology - Electrotechnical Engineering, Electronics and Informatics

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
Education
Degree Classification
2004/01/19
Concluded
Engenharia Electrotécnica e de Computadores (Doutoramento)
Universidade de Lisboa Instituto Superior Técnico, Portugal
"Quiralidade e Não-Linearidade em Fibras Ópticas" (THESIS/DISSERTATION)
1997/07/10
Concluded
Engenharia Electrotécnica e de Computadores (Licenciatura)
Universidade de Lisboa Instituto Superior Técnico, Portugal
Affiliation

Science

1997/10/01 - Current Researcher (Research)
Instituto de Telecomunicações, Portugal

Teaching in Higher Education

2001/10/01 - Current Assistant Professor (University Teacher)
Universidade de Évora, Portugal
Projects

Grant

Designation Funders
2011 - 2014/09 Atmospheric visibility and cloud height determination in aerodromes using stereo imaging and image processing algorithms
Provided by PTCRIS: 115833
115833
Fundação para a Ciência e a Tecnologia, I.P.
2007 - 2010/11 Development and implementation of an impedance analyzer based on analog to digital conversion and powerful signal processing algorithms
Provided by PTCRIS: 72875
72875
Fundação para a Ciência e a Tecnologia, I.P.
2007 - 2008/12 Fast and accurate power quality measurements using analog to digital converters and digital signal processing techniques
Provided by PTCRIS: 57708
57708
Fundação para a Ciência e a Tecnologia, I.P.
2007 - 2008/12 Observation and modelling of the atmospheres of Titan, Saturn and Venus
Provided by PTCRIS: 82085
82085
Fundação para a Ciência e a Tecnologia, I.P.
2005 - 2007/12 Observation and modelling of the atmospheres of Titan, Saturn and Venus
Provided by PTCRIS: 57655
57655
Fundação para a Ciência e a Tecnologia, I.P.
Outputs

Publications

Book
  1. Janeiro, F. M.; Wagner, F.; Ramos, P. M.; Silva, A. M.; Imeko,. CLOUD BASE HEIGHT ESTIMATION USING A LOW-COST DIGITAL CAMERA. 2009.
  2. Ramos, P. M.; Janeiro, F. M.; Radil, T.; Imeko,. PERFORMANCE COMPARISON OF THREE ALGORITHMS FOR TWO-CHANNEL SINEWAVE PARAMETER ESTIMATION: SEVEN PARAMETER SINE FIT, ELLIPSE FIT, SPECTRAL SINC FIT. 2009.
  3. Ramos, P. M.; Janeiro, F. M.; Ieee,. IMPLEMENTATION OF DSP BASED ALGORITHMS FOR IMPEDANCE MEASUREMENTS. 2007.
  4. Radil, T.; Matz, V.; Janeiro, F. M.; Ramos, P.; Serra, A. C.; Ieee,; Radii, T.; Janeiro, F.M.; Serra, A.C.. On-line detection and classification of power quality disturbances in a single-phase power system. 2007.
    10.1109/POWERENG.2007.4380155
Book chapter
  1. Janeiro, F. M.; Ramos, P. M.; Fareleira, Jmna; Diogo, J. C. F.; Maximo, D. R. C.; Caetano, F. J. P.; Ieee,. "Impedance Spectroscopy of a Vibrating Wire for Viscosity Measurements". 2010.
  2. Janeiro, F. M.; Ramos, P. M.; Ieee,. "Application of Genetic Algorithms for Estimation of Impedance Parameters of Two-Terminal Networks". 578-582. 2009.
  3. Ramos, P. M.; Janeiro, F. M.; Tlemcani, M.; Serra, A. C.; Ieee,. "Uncertainty Analysis of Impedance Measurements Using DSP Implemented Ellipse Fitting Algorithms". 463-467. 2008.
    10.1109/imtc.2008.4547080
  4. Janeiro, F. M.; Ramos, P. M.; Ieee,; Janeiro, F.M.; Ramos, P.M.. "Multiharmonic waveform fitting of periodic signals using genetic algorithms". 1096-1101. 2007.
Conference paper
  1. Rodrigues, N.M.; Ramos, P.M.; Janeiro, F.M.. "Comparison of harmonic estimation methods for power quality assessment". 2018.
    10.1088/1742-6596/1065/5/052036
  2. Rodrigues, N.M.; Janeiro, F.M.; Ramos, P.M.. "Digital filter performance for zero crossing detection in power quality embedded measurement systems". 2018.
    10.1109/I2MTC.2018.8409701
  3. Rodrigues, N.M.; Janeiro, F.M.; Ramos, P.M.. "Low pass digital filter delay compensation for accurate zero cross detection in power quality". 2017.
  4. Hu, Y.; Ramos, P.M.; Janeiro, F.M.. "Artificial bee colony algorithm for peak-to-peak factor minimization in periodic signals". 2017.
  5. Janeiro, F.M.; Ramos, P.M.; Carretas, F.; Wagner, F.. "Cloud base height measurement system based on stereo vision with automatic calibration". 2016.
    10.1109/I2MTC.2016.7520454
  6. Janeiro, F.M.; Ramos, P.M.. "A comparative analysis between genetic algorithms and complex nonlinear least squares on electrical impedance characterization". 2016.
    10.1109/I2MTC.2016.7520552
  7. Ramos, P.M.; Janeiro, F.M.. "Vector fitting based automatic circuit identification". 2016.
    10.1109/I2MTC.2016.7520553
  8. Ramos, P.M.; Janeiro, F.M.; Girão, P.S.. "Evaluation of the uncertainty of electrical impedance measurements: The GUM and its Supplement 2". 2015.
    10.1088/1742-6596/588/1/012045
  9. Janeiro, F.M.; Ramos, P.M.. "Performance comparison between complex non-linear least squares and genetic algorithms in impedance circuit parameter estimation". 2015.
  10. Janeiro, F.M.; Fernandes, C.A.; Costa, J.R.; Ramos, P.M.. "RFID chip characterization through S-parameter measurements and gene expression programming". 2014.
    10.1109/I2MTC.2014.6860736
  11. Janeiro, F.M.; Costa, J.R.; Fernandes, C.A.; Ramos, P.M.. "Ultra high frequency circuit identification through gene expression programming". 2014.
  12. Santos, J.; Janeiro, F.M.; Ramos, P.M.. "Embedded viscosity measurement system using a vibrating-wire sensor". 2014.
    10.1109/I2MTC.2014.6860858
  13. Santos, J.; Janeiro, F.M.; Ramos, P.M.. "Measurement Time Optimization of Impedance Spectroscopy Techniques Applied to a Vibrating Wire Viscosity Sensor". 2014.
  14. Ramos, P.M.; Janeiro, F.M.. "Improving the convergence of gene expression programming in impedance spectroscopy". 2013.
  15. Janeiro, F.M.; Ramos, P.M.. "Threshold estimation in least-squares error functions: Application to impedance spectroscopy". 2013.
  16. Janeiro, F.M.; Carretas, F.; Kandler, K.; Ramos, P.M.; Wagner, F.. "Automated cloud base height and wind speed measurement using consumer digital cameras". 2012.
  17. Ramos, P.M.; Janeiro, F.M.. "Performance evaluation of gene expression programming in impedance spectroscopy for sensor modelling". 2012.
  18. Rosado, L.; Ramos, P.M.; Janeiro, F.M.; Piedade, M.. "Eddy currents testing defect characterization based on non-linear regressions and artificial neural networks". 2012.
    10.1109/I2MTC.2012.6229696
  19. Carretas, F.; Martins, J.F.; Pires, V.F.; Pires, A.J.; Ramos, P.M.; Janeiro, F.M.. "Online detection of rotor eccentricity in squirrel cage indunction motors". 2011.
  20. Janeiro, F.M.; Ramos, P.M.. "Impedance circuit identification through evolutionary algorithms". 2011.
  21. Xavier, P.E.; Janeiro, F.M.; Ramos, P.M.. "Efficient implementation of multiharmonic least-squares fitting algorithms". 2011.
  22. Ramos, P.M.; Radil, T.; Janeiro, F.M.. "Sine-fitting algorithms implemented in 32-bit floating point systems". 2010.
  23. Janeiro, F.M.; Wagner, F.; Ramos, P.M.; Silva, A.M.. "Uncertainty analysis of a cloud base height measurement system based on digital photography". 2010.
  24. Janeiro, F.M.; Ramos, P.M.; Fareleira, J.M.N.A.; Diogo, J.C.F.; Máximo, D.R.C.; Caetano, F.J.P.. "Impedance spectroscopy of a vibrating wire for viscosity measurements". 2010.
    10.1109/IMTC.2010.5488112
  25. Janeiro, F.M.; Wagner, F.; Ramos, P.M.; Silva, A.M.. "Cloud base height estimation using a low-cost digital camera". 2009.
  26. Ramos, P.M.; Janeiro, F.M.; Radil, T.. "Performance comparison of three algorithms for two-channel sinewave parameter estimation: Seven parameter sine fit, ellipse fit, spectral sinc fit". 2009.
  27. Janeiro, F.M.; Ramos, P.M.. "Application of genetic algorithms for estimation of impedance parameters of two-terminal networks". 2009.
    10.1109/IMTC.2009.5168521
  28. Janeiro, F.M.; Martins, J.F.; Pires, V.F.; Ramos, P.M.; Pires, A.J.; Janeiro, F. M.; Martins, J. F.; et al. "Induction motor broken bars online detection". 2008.
    10.1109/IMTC.2008.4547401
  29. Ramos, P.M.; Janeiro, F.M.; Tlemanii, M.; Serra, A.C.. "Uncertainty analysis of impedance measurements using DSP implemented ellipse fitting algorithms". 2008.
    10.1109/IMTC.2008.4547080
  30. Ramos, P.M.; Radil, T.; Janeiro, F.M.; Serra, A.C.; Cruz Serra, A.. "DSP based power quality analyzer using new signal processing algorithms for detection and classification of disturbances in a single-phase power system". 2007.
  31. Janeiro, F.M.; Wagner, F.; Ramos, P.M.; Silva, A.M.. "Automated atmospheric visibibility measurements using a digital camera and image registration". 2007.
  32. Ramos, P.M.; Janeiro, F.M.; Tlemçani, M.; Cruz Serra, A.; Serra, A.C.. "Implementation of a DSP based impedance measurement instrument using ellipse fitting algorithms". 2007.
  33. Ramos, P.M.; Janeiro, F.M.. "Implementation of DSP based algorithms for impedance measurements". 2007.
    10.1109/ICSPC.2007.4728444
  34. Janeiro, F.M.; Ramos, P.M.; Tlemcani, M.; Serra, A.C.. "Analysis of a non-iterative algorithm for the amplitude and phase difference estimation of two acquired sinewaves". 2006.
  35. Janeiro, F.M.; Topa, A.L.; Paiva, C.R.; Janeiro, F. M.; Topa, A. L.; Paiva, C. R.; Ieee,. "Semi-leaky modes in chiral optical fibers". 2001.
  36. Pereira, Jose L.; Janeiro, Fernando M.; Paiva, Carlos R.. "Polarization division multiplexing with subpicosecond solitons". 1997.
Journal article
  1. Janeiro, F.M.; Hu, Y.; Ramos, P.M.. "Peak factor optimization of multi-harmonic signals using artificial bee colony algorithm". Measurement: Journal of the International Measurement Confederation 150 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85072565342&partnerID=MN8TOARS.
    10.1016/j.measurement.2019.107040
  2. Fernando M. Janeiro; Pedro M. Ramos. "Threshold Estimation for Least-Squares Fitting in Impedance Spectroscopy". Measurement (2018): https://doi.org/10.1016/j.measurement.2018.04.071.
    10.1016/j.measurement.2018.04.071
  3. Pedro M. Ramos; Fernando Janeiro; Pedro Silva Girão. "Uncertainty evaluation of multivariate quantities: A case study on electrical impedance". Measurement: Journal of the International Measurement Confederation 78 1 (2016): 397-411. http://www.it.pt/Publications/PaperJournal/17656.
    10.1016/j.measurement.2015.08.043
  4. José Carlos Sequeira Martins dos Santos; Fernando Janeiro; Pedro M. Ramos. "Development, implementation, and characterization of a standalone embedded viscosity measurement system based on the impedance spectroscopy of a vibrating wire sensor". Measurement Science & Technology 26 10 (2015): 105903-1-105903-14-105903-1-105903-14. http://www.it.pt/Publications/PaperJournal/17533.
    10.1088/0957-0233/26/10/105903
  5. Filipe Lagarto Carretas; Frank Stephan Wagner; Fernando Janeiro. "Atmospheric Visibility and Angström Exponent Measurements through Digital Photography". Measurement: Journal of the International Measurement Confederation 64 - (2015): 147-156. http://www.it.pt/Publications/PaperJournal/10149.
    10.1016/j.measurement.2014.12.041
  6. Santos, J.; Janeiro, F.M.; Ramos, P.M.. "Impedance frequency response measurements with multiharmonic stimulus and estimation algorithms in embedded systems". Measurement: Journal of the International Measurement Confederation 48 1 (2014): 173-182. http://www.scopus.com/inward/record.url?eid=2-s2.0-84888358570&partnerID=MN8TOARS.
    10.1016/j.measurement.2013.11.004
  7. Santos, J.; Janeiro, F.M.; Ramos, P.M.. "Impedance frequency characterization of a vibrating wire viscosity sensor with multiharmonic signals". Measurement: Journal of the International Measurement Confederation 55 (2014): 276-287. http://www.scopus.com/inward/record.url?eid=2-s2.0-84902269907&partnerID=MN8TOARS.
    10.1016/j.measurement.2014.05.004
  8. Janeiro, F.M.; Carretas, F.; Kandler, K.; Wagner, F.; Ramos, P.M.. "Advances in cloud base height and wind speed measurement through stereophotogrammetry with low cost consumer cameras". Measurement: Journal of the International Measurement Confederation 51 1 (2014): 429-440. http://www.scopus.com/inward/record.url?eid=2-s2.0-84899440457&partnerID=MN8TOARS.
    10.1016/j.measurement.2014.02.001
  9. Rosado, Luis S.; Janeiro, Fernando M.; Ramos, Pedro M.; Piedade, Moises. "Defect Characterization With Eddy Current Testing Using Nonlinear-Regression Feature Extraction and Artificial Neural Networks". Ieee Transactions on Instrumentation and Measurement 62 5 (2013): 1207-1214.
    10.1109/TIM.2012.2236729
  10. Janeiro, Fernando M.; Santos, Jose; Ramos, Pedro M.. "Gene Expression Programming in Sensor Characterization: Numerical Results and Experimental Validation". Ieee Transactions on Instrumentation and Measurement 62 5 (2013): 1373-1381.
    10.1109/TIM.2012.2224275
  11. Ramos, P.M.; Janeiro, F.M.. "Gene expression programming for automatic circuit model identification in impedance spectroscopy: Performance evaluation". Measurement: Journal of the International Measurement Confederation 46 10 (2013): 4379-4387. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887034428&partnerID=MN8TOARS.
    10.1016/j.measurement.2013.05.011
  12. Fernando Janeiro; Pedro M. Ramos. "Gene expression programming and genetic algorithms in impedance circuit identification". ACTA IMEKO 1 1 (2012): 19-25. http://www.it.pt/Publications/PaperJournal/10150.
    10.21014/acta_imeko.v1i1.16
  13. Rosado, Luis; Ramos, Pedro M.; Janeiro, Fernando M.; Piedade, Moises; IEEE. "Eddy Currents Testing Defect Characterization based on Non-Linear Regressions and Artificial Neural Networks". 2012 Ieee International Instrumentation and Measurement Technology Conference (I2mtc) (2012): 2419-2424. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000309449100462&KeyUID=WOS:000309449100462.
  14. Ramos, P.M.; Janeiro, F.M.; Radil, T.. "On the use of multi-harmonic least-squares fitting for THD estimation in power quality analysis". Metrology and Measurement Systems 19 2 (2012): 295-306. http://www.scopus.com/inward/record.url?eid=2-s2.0-84861417971&partnerID=MN8TOARS.
  15. Ramos, Pedro M.; Janeiro, Fernando M.; Radil, Tomas. "ON THE USE OF MULTI-HARMONIC LEAST-SQUARES FITTING FOR THD ESTIMATION IN POWER QUALITY ANALYSIS". Metrology and Measurement Systems 19 2 (2012): 295-306.
    10.2478/v10178-012-0025-8
  16. Ramos, P. M.; Radil, T.; Janeiro, F. M.. "Implementation of sine-fitting algorithms in systems with 32-bit floating point representation". Measurement 45 2 (2012): 155-163.
    10.1016/j.measurement.2011.05.011
  17. Pedro M. Ramos; Fernando Janeiro; Tomás Radil; Ramos, P.M.; Janeiro, F.M.; Radil, T.. "Comparative analysis of three algorithms for two-channel common frequency sinewave parameter estimation: ellipse fit, seven parameter sine fit and spectral sinc fit". Metrology and Measurement Systems XVII 2 (2010): 255-270. http://www.it.pt/Publications/PaperJournal/4920.
  18. Janeiro, F. M.; Ramos, P. M.; Wagner, F.; Silva, A. M.. "Developments of low-cost procedure to estimate cloud base height based on a digital camera". Measurement 43 5 (2010): 684-689.
    10.1016/j.measurement.2010.01.007
  19. Ramos, Pedro M.; Janeiro, Fernando M.; Radil, Tomas. "COMPARATIVE ANALYSIS OF THREE ALGORITHMS FOR TWO-CHANNEL COMMON FREQUENCY SINEWAVE PARAMETER ESTIMATION: ELLIPSE FIT, SEVEN PARAMETER SINE FIT AND SPECTRAL SINC FIT". Metrology and Measurement Systems 17 2 (2010): 255-270.
    10.2478/v10178-010-0022-8
  20. Ramos, P. M.; Janeiro, F. M.; Radil, T.. "Comparison of impedance measurements in a DSP using ellipse-fit and seven-parameter sine-fit algorithms". Measurement 42 9 (2009): 1370-1379.
    10.1016/j.measurement.2009.05.005
  21. Janeiro, F.M.; Ramos, P.M.. "Impedance measurements using genetic algorithms and multiharmonic signals". IEEE Transactions on Instrumentation and Measurement 58 2 (2009): 383-388. http://www.scopus.com/inward/record.url?eid=2-s2.0-60149101210&partnerID=MN8TOARS.
    10.1109/TIM.2008.2005077
  22. Ramos, P. M.; Janeiro, F. M.; Tlemcani, M.; Serra, A. C.. "Recent Developments on Impedance Measurements With DSP-Based Ellipse-Fitting Algorithms". Ieee Transactions on Instrumentation and Measurement 58 5 (2009): 1680-1689.
    10.1109/tim.2009.2014512
  23. Janeiro, F. M.; Ramos, P. M.. "Impedance Measurements Using Genetic Algorithms and Multiharmonic Signals". Ieee Transactions on Instrumentation and Measurement 58 2 (2009): 383-388.
    10.1109/tim.2008.2005077
  24. Ramos, P.M.; Janeiro, F.M.; Tlemçani, M.; Cruz Serra, A.. "Recent developments on impedance measurements with DSP-based ellipse-fitting algorithms". IEEE Transactions on Instrumentation and Measurement 58 5 (2009): 1680-1689. http://www.scopus.com/inward/record.url?eid=2-s2.0-65549129036&partnerID=MN8TOARS.
    10.1109/TIM.2009.2014512
  25. Radil, T.; Janeiro, F. M.; Ramos, P. M.; Serra, A. C.. "An efficient approach to detect and classify power quality disturbances". Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering 27 5 (2008): 1178-1191.
    10.1108/03321640810890843
  26. Radil, T.; Ramos, P. M.; Janeiro, F. M.; Serra, A. C.; Ramos, P.M.; Janeiro, F.M.; Cruz Serra, A.. "PQ monitoring system for real-time detection and classification of disturbances in a single-phase power system". Ieee Transactions on Instrumentation and Measurement 57 8 (2008): 1725-1733. http://www.scopus.com/inward/record.url?eid=2-s2.0-48749133177&partnerID=MN8TOARS.
    10.1109/tim.2008.925345
  27. Tomás Radil; Pedro M. Ramos; Fernando Janeiro; António Manuel Cruz Serra. "DSP Based Power Quality Analyzer for Detection and Classification of Disturbances in a Single-phase Power System". Metrology and Measurement Systems XIV 4 (2007): 483-494. http://www.it.pt/Publications/PaperJournal/2731.
  28. Janeiro, F.M.; Paiva, C.R.; Topa, A.L.; Janeiro, F. M.; Paiva, C. R.; Topa, A. L.; Fernando Janeiro; Carlos Manuel dos Reis Paiva; António Topa. "Guidance and leakage properties of chiral optical fibers". Journal of the Optical Society of America B: Optical Physics 19 11 (2002): 2558-2566. http://www.scopus.com/inward/record.url?eid=2-s2.0-0141788054&partnerID=MN8TOARS.
    10.1364/josab.19.002558
  29. Fernando Janeiro; Pedro M. Ramos; Carlos Manuel dos Reis Paiva; Janeiro, F. M.; Ramos, P. M.; Paiva, C. R.; Janeiro, F.M.; Ramos, P.M.; Paiva, C.R.. "Hamiltonian Formulation for Dispersion-Managed WDM Soliton Communication Systems". Microwave and Optical Tech. Letters 21 1 (1999): 72-77. http://www.it.pt/Publications/PaperJournal/170.
    10.1002/(sici)1098-2760(19990405)21:1<72::aid-mop20>3.0.co;2-o