Raimundo Carlos Silvério Freire
Raimundo Carlos Silvério Freire
Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande
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Implementation of beam-steering front-ends at 2.45 GHz using modified Wilkinson power dividers, reflexion type phase shifters and C-shape monopole antennas: First results
TC Albuquerque, T Silva, AJR Serres, RCS Freire, J Walheim, F Podevin, ...
2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference …, 2015
Hot-wire anemometer with temperature compensation using only one sensor
RPC Ferreira, RCS Freire, CS Deep, JS de Rocha Neto, A Oliveira
IEEE Transactions on Instrumentation and Measurement 50 (4), 954-958, 2001
A hysteresis model for a vanadium dioxide transition-edge microbolometer
LAL de Almeida, GS Deep, AMN Lima, HF Neff, RCS Freire
IEEE Transactions on Instrumentation and Measurement 50 (4), 1030-1035, 2001
Breathing flow measurement with constant temperature hot-wire anemometer for forced oscillations technique
GAL Araujo, RCS Freire, JF Silva, A Oliveira, EF Jaguaribe
Proceedings of the 21st IEEE Instrumentation and Measurement Technology …, 2004
A feedback i/sup 2/-controlled constant temperature solar radiation meter
A Oliveira, GS Deep, AMN Lima, RCS Freire
IEEE transactions on instrumentation and measurement 47 (5), 1163-1167, 1998
Energy harvesting using magnetic induction considering different core materials
MP dos Santos, DA Vieira, YPM Rodriguez, CP de Souza, TO de Moraes, ...
2014 IEEE International Instrumentation and Measurement Technology …, 2014
Applications of thermoresistive sensors using the electric equivalence principle
RCS Freire, SYC Catunda, BA Luciano
IEEE Transactions on Instrumentation and Measurement 58 (6), 1823-1830, 2009
Wearable textile bioinspired antenna for 2G, 3G, and 4G systems
PF Silva Jr, RCS Freire, AJR Serres, PHF Silva, JC Silva
Microwave and Optical Technology Letters 58 (12), 2818-2823, 2016
FPGA architecture for static background subtraction in real time
J Oliveira, A Printes, RCS Freire, E Melcher, ISS Silva
Proceedings of the 19th annual symposium on Integrated circuits and systems …, 2006
Implementation of a Feedback I2-Controlled Constant Temperature Environment Temperature Meter
LS Palma, A Oliveira, AS Costa, AQ Andrade Jr, CVR Almeida, ...
Sensors 3 (10), 498-503, 2003
A highly linear single pn junction temperature sensor
RCS Freire, S Daher, GS Deep
IEEE Transactions on instrumentation and measurement 43 (2), 127-132, 1994
Bio-inspired printed monopole antenna applied to partial discharge detection
JN Cruz, AJR Serres, AC de Oliveira, GVR Xavier, CCR de Albuquerque, ...
Sensors 19 (3), 628, 2019
A passive capacitive soil moisture and environment temperature UHF RFID based sensor for low cost agricultural applications
NSSM Da Fonseca, RCS Freire, A Batista, G Fontgalland, S Tedjini
2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference …, 2017
Influence of low frequency noise in adaptive estimation using the LMS algorithm
DS Brito, E Aguiar, F Lucena, RCS Freire, Y Yasuda, AK Barros
Signal Processing 89 (5), 933-940, 2009
Thermoresistive radiation sensor response time employing electrical heating
GS Deep, JSR Neto, AMN Lima, RCS Freire, PC Lobo
IEEE transactions on instrumentation and measurement 45 (1), 332-335, 1996
Augmented RFID tags
S Tedjini, G Andia-Vera, M Zurita, RCS Freire, Y Duroc
2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet …, 2016
Analysis of multilayer amplifier structure by an efficient iterative technique
A Serres, GKF Serres, G Fontgalland, RCS Freire, H Baudrand
IEEE Transactions on Magnetics 50 (2), 185-188, 2014
Fast on-line measurement of the respiration rate in activated sludge systems
SYC Catunda, GS Deep, AC Van Haandel, RCS Freire
Quality Measurement: The Indispensable Bridge between Theory and Reality (No …, 1996
Double power-law viscoelastic relaxation of living cells encodes motility trends
JS De Sousa, RS Freire, FD Sousa, M Radmacher, AFB Silva, MV Ramos, ...
Scientific reports 10 (1), 1-10, 2020
A constant temperature operation thermoresistive sigma–delta solar radiometer
A Oliveira, LS Palma, AS Costa, RCS Freire, ACC Lima
Measurement 39 (4), 267-273, 2006
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