Artigo em revista |
- Paulo A.C. Lopes; José A.B. Gerald. "Careful feedback active noise and vibration control algorithm robust to large secondary
path changes". European Journal of Control (2024): https://doi.org/10.1016/j.ejcon.2023.100905.
10.1016/j.ejcon.2023.100905
- Paulo A. C. Lopes. "The Predict and Invert Feedback Active Noise and Vibration Control Algorithm". Circuits, Systems, and
Signal Processing (2023): https://doi.org/10.1007/s00034-023-02471-7.
10.1007/s00034-023-02471-7
- Paulo Lopes. "Analysis of the LMS and NLMS algorithms using the misalignment norm". Signal, Image and Video Processing
17 7 (2023): 3623-3628. http://dx.doi.org/10.1007/s11760-023-02588-x.
10.1007/s11760-023-02588-x
- Paulo A. C. Lopes; José A. B. Gerald. "Careful least squares active noise control with no prior secondary path model". International
Journal of Adaptive Control and Signal Processing (2022): https://doi.org/10.1002/acs.3500.
10.1002/acs.3500
- Paulo A. C. Lopes. "Low-Delay and Low-Cost Sigma-Delta Adaptive Controller for Active Noise Control". Circuits, Systems,
and Signal Processing 41 5 (2022): 2988-2999. https://doi.org/10.1007/s00034-021-01913-4.
10.1007/s00034-021-01913-4
- Paulo A. C. Lopes; Jose Antonio Beltran Gerald. "Low Delay Short Word Length Sigma Delta Active Noise Control". IEEE Transactions
on Circuits and Systems I: Regular Papers 68 9 (2021): 3746-3757. https://doi.org/10.1109/TCSI.2021.3096180.
10.1109/TCSI.2021.3096180
- Paulo A. C. Lopes; José A. B. Gerald. "Frequency domain analysis of the mirror-modified filtered-x least mean squares algorithm
with low ambient noise". International Journal of Adaptive Control and Signal Processing 35 7 (2021): 1370-1387. https://doi.org/10.1002/acs.3246.
10.1002/acs.3246
- Paulo A. C. Lopes; José A. B. Gerald. "An FPGA Implementation of the Log-MAP Algorithm for a Dirty Paper Coding CODEC". Circuits,
Systems, and Signal Processing 40 4 (2021): 1905-1925. https://doi.org/10.1007/s00034-020-01567-8.
10.1007/s00034-020-01567-8
- Paulo A.C. Lopes. "Bayesian step least mean squares algorithm for Gaussian signals". IET Signal Processing 14 8 (2020):
506-512. https://doi.org/10.1049/iet-spr.2020.0058.
10.1049/iet-spr.2020.0058
- Paulo A.C. Lopes; Satyendra Singh Yadav; Aleksandar Ilic; Sarat Kumar Patra. "Fast block distributed CUDA implementation of
the Hungarian algorithm". Journal of Parallel and Distributed Computing 130 (2019): 50-62. https://doi.org/10.1016/j.jpdc.2019.03.014.
10.1016/j.jpdc.2019.03.014
- Paulo A. C. Lopes; José A. B. Gerald. "A narrowband active noise control system with reference synthesis". International
Journal of Adaptive Control and Signal Processing 33 7 (2019): 1118-1133. https://doi.org/10.1002/acs.3011.
10.1002/acs.3011
- Satyendra Singh Yadav; Paulo Alexandre Crisóstomo Lopes; Sarat Kumar Patra. "Parallel Resource Allocation and Subcarrier Assignment
for Downlink OFDMA". IETE Technical Review (2019): 1-16. https://doi.org/10.1080/02564602.2018.1498755.
10.1080/02564602.2018.1498755
- Paulo A.C. Lopes; José A.B. Gerald. "Leakage-based precoding algorithms for multiple streams per terminal MU-MIMO systems".
Digital Signal Processing 75 (2018): 38-44. https://doi.org/10.1016/j.dsp.2017.12.007.
10.1016/j.dsp.2017.12.007
- Paulo A. C. Lopes; Jose A. B. Gerald. "A Close to Optimal Adaptive Filter for Sudden System Changes". IEEE Signal Processing
Letters 24 11 (2017): 1734-1738. https://doi.org/10.1109/LSP.2017.2757147.
10.1109/LSP.2017.2757147
- Paulo A.C. Lopes; José A.B. Gerald. "Iterative MMSE/MAP impulsive noise reduction for OFDM". Digital Signal Processing
69 (2017): 252-258. https://doi.org/10.1016%2Fj.dsp.2017.07.002.
10.1016/j.dsp.2017.07.002
- Paulo A.C. Lopes; José A.B. Gerald; Moisés S. Piedade. "The MMFxLMS algorithm for active noise control with on-line secondary
path modelling". Digital Signal Processing 60 (2017): 75-80. https://doi.org/10.1016/j.dsp.2016.08.012.
10.1016/j.dsp.2016.08.012
- Paulo A.C. Lopes; José A.B. Gerald. "Improving bit error rate under burst noise in OFDM power line communications". Digital
Signal Processing 51 (2016): 47-53. https://doi.org/10.1016%2Fj.dsp.2015.12.018.
10.1016/j.dsp.2015.12.018
- Lopes, P.A.C.; Gerald, J.A.B.. "Auxiliary Noise Power Scheduling Algorithm for Active Noise Control with Online Secondary
Path Modeling and Sudden Changes". IEEE Signal Processing Letters 22 10 (2015): 1590-1594. http://www.scopus.com/inward/record.url?eid=2-s2.0-84926500215&partnerID=MN8TOARS.
10.1109/LSP.2015.2415875
- Lopes, P.A.C.; Gerald, J.A.B.; Piedade, M.S.. "The Random Walk Model Kalman Filter in Multichannel Active Noise Control".
IEEE Signal Processing Letters 22 12 (2015): 2244-2248. http://www.scopus.com/inward/record.url?eid=2-s2.0-84941106020&partnerID=MN8TOARS.
10.1109/LSP.2015.2475357
- Lopes, P.A.C.; Pinto, J.M.M.; Gerald, J.B.. "Dealing with unknown impedance and impulsive noise in the power-line communications
channel". IEEE Transactions on Power Delivery 28 1 (2013): 58-66. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871770327&partnerID=MN8TOARS.
10.1109/TPWRD.2012.2214065
- Lopes, P.A.C.; Pinto, J.M.M.; Gerald, J.B.. "Modeling and optimization of the access impedance of power line channels". IEEE
ISPLC 2010 - International Symposium on Power Line Communications and its Applications (2010): 142-147. http://www.scopus.com/inward/record.url?eid=2-s2.0-77954421847&partnerID=MN8TOARS.
10.1109/ISPLC.2010.5479930
- Lopes, P.A.C.; Germano, J.; De Almeida, T.M.; Sousa, L.A.; Piedade, M.S.; Cardoso, F.A.; Ferreira, H.A.; Freitas, P.P.. "Measuring
and extraction of biological information on new handheld biochip-based microsystem". IEEE Transactions on Instrumentation
and Measurement 59 1 (2010): 56-62. http://www.scopus.com/inward/record.url?eid=2-s2.0-72349085069&partnerID=MN8TOARS.
10.1109/TIM.2008.2003321
- De Almeida, T.M.; Piedade, M.S.; Sousa, L.A.; Germano, J.; Lopes, P.A.C.; Cardoso, F.A.; Freitas, P.P.. "On the modeling of
new tunnel junction magnetoresistive biosensors". IEEE Transactions on Instrumentation and Measurement 59 1 (2010):
92-100. http://www.scopus.com/inward/record.url?eid=2-s2.0-72349090416&partnerID=MN8TOARS.
10.1109/TIM.2009.2022100
- Lopes, P.A.C.. "Active noise control algorithms with reduced channel count and their stability analysis". Signal Processing
88 4 (2008): 811-821. http://www.scopus.com/inward/record.url?eid=2-s2.0-37649017692&partnerID=MN8TOARS.
10.1016/j.sigpro.2007.09.016
- Lopes, P.A.C.; Germano, J.; Almeida, T.M.; Sousa, L.; Piedade, M.S.; Cardoso, F.; Ferreira, H.A.; Freitas, P.P.. "A new handheld
biochip-based microsystem". Proceedings - IEEE International Symposium on Circuits and Systems (2007): 2379-2382. http://www.scopus.com/inward/record.url?eid=2-s2.0-34548818525&partnerID=MN8TOARS.
- Lopes, P.A.C.; Tavares, G.; Gerald, J.B.. "A new type of normalized LMS algorithm based on the Kalman filter". ICASSP,
IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 3 (2007): http://www.scopus.com/inward/record.url?eid=2-s2.0-34547502967&partnerID=MN8TOARS.
10.1109/ICASSP.2007.367094
- Sousa, L.; Piedade, M.; Germano, J.; Almeida, T.; Lopes, P.; Cardoso, F.; Freitas, P.. "Generic architecture designed for
biomedical embedded systems". IFIP International Federation for Information Processing 231 (2007): 353-362. http://www.scopus.com/inward/record.url?eid=2-s2.0-34248352245&partnerID=MN8TOARS.
10.1007/978-0-387-72258-0_30
- Lopes, P.A.C.; Gerald, J.B.. "New normalized LMS algorithms based on the Kalman filter". Proceedings - IEEE International
Symposium on Circuits and Systems (2007): 117-120. http://www.scopus.com/inward/record.url?eid=2-s2.0-34548828535&partnerID=MN8TOARS.
- Almeida, T.M.; Piedade, M.S.; Germano, J.; Lopes, P.C.; Sousa, L.; Cardoso, F.; Ferreira, H.; Freitas, P.. "Measurements and
modelling of a magnetoresistive biosensor". IEEE 2006 Biomedical Circuits and Systems Conference Healthcare Technology,
BioCAS 2006 (2006): 41-44. http://www.scopus.com/inward/record.url?eid=2-s2.0-52949142237&partnerID=MN8TOARS.
10.1109/BIOCAS.2006.4600303
- Lopes, P.A.C.; Piedade, M.S.. "Sensitivity to the secondary path modeling errors of the bandwidth limited modified fx-lms
algorithm". 13th International Congress on Sound and Vibration 2006, ICSV 2006 1 (2006): 145-152. http://www.scopus.com/inward/record.url?eid=2-s2.0-84883403523&partnerID=MN8TOARS.
- Lopes, P.A.C.; Germano, J.; Almeida, T.M.; Sousa, L.; Piedade, M.S.; Cardoso, F.; Ferreira, H.A.; Freitas, P.P.. "Determination
of biological expression signals on a new handheld biochip-based microsystem". IEEE 2006 Biomedical Circuits and Systems
Conference Healthcare Technology, BioCAS 2006 (2006): 57-60. http://www.scopus.com/inward/record.url?eid=2-s2.0-52949107593&partnerID=MN8TOARS.
10.1109/BIOCAS.2006.4600307
- Germano, J.; Piedade, M.S.; Sousa, L.; Almeida, T.M.; Lopes, P.; Cardoso, F.A.; Ferreira, H.A.; Freitas, P.P.. "Microsystem
for biological analysis based on magnetoresistive sensing". 18th IMEKO World Congress 2006: Metrology for a Sustainable
Development 2 (2006): 1107-1112. http://www.scopus.com/inward/record.url?eid=2-s2.0-84877732286&partnerID=MN8TOARS.
- Lopes, P.. "Preventing noise amplification through anti-noise band limiting in multi-channel active noise control systems".
12th International Congress on Sound and Vibration 2005, ICSV 2005 2 (2005): 980-987. http://www.scopus.com/inward/record.url?eid=2-s2.0-84881592762&partnerID=MN8TOARS.
- Lopes, P.A.C.. "The behavior of the modified FX-LMS algorithm with secondary path modeling errors". IEEE Signal Processing
Letters 11 2 PART II (2004): 148-151. http://www.scopus.com/inward/record.url?eid=2-s2.0-0442326790&partnerID=MN8TOARS.
10.1109/LSP.2003.821745
- Lopes, P.A.C.; Piedade, M.S.. "Effects of secondary path modeling errors on the Modified FX-LMS algorithm for active noise
control". ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 5 (2001):
3213-3216. http://www.scopus.com/inward/record.url?eid=2-s2.0-0034841761&partnerID=MN8TOARS.
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