Papers in Conference Proceedings  [124] 

- Postolache, O.; Costa Freire, J.; Girão, P.M.; Dias Pereira, J. M.; "Smart Sensor Architecture for Vital Signs and Motor Activity Monitoring of Wheelchair’ Users ", Proc International Conf. on Sensing Technology - ICST, Kolkata, India, Vol. 1, pp. 1 - 6, December, 2012.
Abstract | BibTex

- Postolache, O.; Dias Pereira, J. M.; "Virtual Instrument for Water Quality Parameters Measurement ", Proc International Conf. and Exposition on Electrical and Power Engineering - EPE, Iasi, Romania, Vol. 1, pp. 1 - 4, October, 2012.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "GREENHOUSES MICROCLIMATE REAL-TIME MONITORING BASED ON A WIRELESS SENSOR NETWORK AND GIS", Proc IMEKO World Congress, Busan, Korea, South, Vol. I, pp. 1 - 5, September, 2012.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; G. Postolache; "Systems for Remote Monitoring of Indoor Air Quality and Respiration of Wheelchair Users", Proc IEEE International Conf. on Signals, Systems, Devices - SSD, Chemnitz, Germany, Vol. 1, pp. 1 - 6, March, 2012.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; G. Postolache; "Smart Walker for Pervasive HealthCare", Proc International Conf. on Sensing Technology - ICST, Palmerston North, New Zealand, Vol. 1, pp. 1 - 5, December, 2011.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Smart Conductivity Sensor with Temperature and Water Tide Level Compensation capabilities", Proc International Conf. on Sensing Technology - ICST, Palmerstone North, New Zealand, Vol. 1, pp. 99 - 99, November, 2011.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Multi-sensing node architecture for water quality monitoring", Proc UPC Workshop Internacial sobre Tecnologia Marina - 28) MARTECH 2007, Cadiz, Spain, Vol. 1, pp. 1 - 4, September, 2011.
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- Viegas, V.V.; Girão, P.M.; Dias Pereira, J. M.; "Service-Oriented Distributed Measurement and Control Systems: A Case Study", Proc International Workshop on Intelligent Data Acquisition and Advanced Computing Systems, Prague, Czech Republic, Vol. , pp. - , September, 2011.
Abstract | Full text (PDF 234KB) | BibTex

- Postolache, O.; Girão, P.M.; Pinheiro, E.C.; Dias Pereira, J. M.; R. Madeira; G. Postolache; J M Joaquim; "Multi-usage of Microwave Doppler Radar in Pervasive Healthcare Systems for Elderly ", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Hangzhou, China, Vol. I, pp. 10 - 15, May, 2011.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Microcontroller based multi-sensing system for water quality assessment", Proc IMEKO TC19 Symp, Kosice, Slovakia, Vol. I, pp. x - xx, September, 2010.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Smart Sensors and Intelligent Signal Processing in Water Quality Monitoring Context", Proc International Conf. on Sensing Technology - ICST, Lecce, Italy, Vol. 1, pp. x - xx, June, 2010.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Improving Celerity of Heavy Metals Measurements", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Austin, United States, Vol. -, pp. - - -, May, 2010.
Abstract | Full text (PDF 334KB) | BibTex

- Viegas, V.V.; Girão, P.M.; Dias Pereira, J. M.; "Performance Evaluation of a Web-Service-Based DMCS", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, AUSTIN, United States, Vol. -, pp. - - -, May, 2010.
Abstract | Full text (PDF 229KB) | BibTex

- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "An IEEE1451.x and RFID compatibility unit for water quality monitoring", Proc IMEKO World Congress, Lisbon, Portugal, Vol. 1, pp. 1 - 6, September, 2009.
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- M. Alves; Dias Pereira, J. M.; Ramos, H. G.; "CAN Protocol: A Laboratory Prototype for Fieldbus Applications", Proc IMEKO World Congress, Lisboa, Portugal, Vol. 1, pp. 454 - 457, September, 2009.
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- Viegas, V.V.; Girão, P.M.; Dias Pereira, J. M.; "Open Controller for Distributed Instrumentation Systems", Proc International Workshop on Intelligent Data Acquisition and Advanced Computing Systems, Rende, Cosenza, Italy, Vol. to be defined, pp. to be defined - to be defined, September, 2009.
Abstract | Full text (PDF 486KB) | BibTex

- Viegas, V.V.; Dias Pereira, J. M.; Girão, P.M.; "Smart Transducer Block Enables Plug & Play Transducers", Proc IMEKO World Congress, Lisbon, Portugal, Vol. to be defined, pp. to be defined - to be defined, September, 2009.
Abstract | Full text (PDF 263KB) | BibTex

- Postolache, O.; Girão, P.M.; G.F. Ferraria; N. Barroso; Dias Pereira, J. M.; G. Postolache; "Indoor Monitoring of Respiratory Distress Triggering Factors Using a Wireless Sensing Network and a Smart Phone", Proc IEEE Instrumentation and Measurement Technology Conf., Singapore, Singapore, Vol. 1, pp. 451 - 456, May, 2009.
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- Postolache, O.; Girão, P.M.; J.A. Apolonia; N.B. Beirante; P.M. Macedo; Dias Pereira, J. M.; "Dolphins’ Environment Assessment and Knowledge Management Using a Distributed Instrumentation and Geographic Information System", Proc IMEKO TC4 Symp., Florence, Italy, Vol. I, pp. 454 - 459, September, 2008.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Mobile Solutions for Remote Environmental Monitoring Systems", Proc IMEKO TC19 Symp, Budapest, Hungary, Vol. I, pp. 1 - 5, September, 2008.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Underwater Acoustic Signals Assessment Based On Advanced Signal Analysis and Neural Network Classification”", Proc IMEKO TC19 Symp, Budapest, Hungary, Vol. I, pp. 1 - 5, September, 2008.
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- Dias Pereira, J. M.; F. Deng-Chao; Z. Wang; J. Shi; "Research on Missing Value Estimation in Data Mining", Proc World Congress on Intelligent Control and Automation - WCICA, Chongquing, China, Vol. 99, pp. 99 - 99, June, 2008.
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- Postolache, O.; Girão, P.M.; G.P. Patricio; J.S. Sacramento; P.M. Macedo; Dias Pereira, J. M.; "Distributed Instrumentation and Geographic Information System for Dolphins’ Environment Assessment", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Victoria, Canada, Vol. I, pp. 1777 - 1782, May, 2008.
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- Postolache, O.; Dias Pereira, J. M.; Ramos, H. G.; Ribeiro, A. L.; "NDT on Aluminum Aircraft Plates based on Eddy Current Sensing and Image Processing", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Victoria, Canada, Vol. I, pp. 1803 - 1808, May, 2008.
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- Viegas, V.V.; Dias Pereira, J. M.; Girão, P.M.; "Next Generation Application Processor Based on the IEEE 1451.1 Standard and Web Services", Proc IEEE International Instrumentation and Technology Conf. - I2MTC, Victoria, Canada, Vol. I, pp. 405 - 410, May, 2008.
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- Postolache, O.; Ramos, H. G.; Girão, P.M.; Dias Pereira, J. M.; "A Practical Approach on Water Quality Monitoring Based on Distributed Measurement System and Intelligent Signal Processing", Proc UPC Workshop Internacial sobre Tecnologia Marina - 28) MARTECH 2007, Vilanova i la Geltru, Spain, Vol. I, pp. 1 - 5, November, 2007.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Intelligent Distributed Virtual System for Underwater Acoustic Source Localization and Sounds Classification", Proc International Workshop on Intelligent Data Acquisition and Advanced Computing Systems, Dortmund, Germany, Vol. I, pp. 132 - 135, September, 2007.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Optical Fiber Based Turbidity Sensing System", Proc IMEKO TC19 Symp, Iasi, Romania, Vol. II, pp. 71 - 75, September, 2007.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Voltammetry based Automated Instrument for In-Situ and Online Measurement of Heavy Metals Concentration in Water", Proc IMEKO TC4 Symp., Iasi, Romania, Vol. 1, pp. 85 - 90, September, 2007.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Wireless Embedded Air Multi-Parameter Measuring System ", Proc IMEKO TC19 Symp, Iasi, Romania, Vol. II, pp. 41 - 46, September, 2007.
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- Dias Pereira, J. M.; F. Deng-Chao; Postolache, O.; Viegas, V.V.; Girão, P.M.; "Advantages of PWM-A/D Conversion Techniques in Smart Sensing Applications", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Xi'An, China, Vol. 1, pp. 5 - 10, August, 2007.
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- Dias Pereira, J. M.; F. Deng-Chao; "Study on Information Fusion based on Wavelet Neural Network and Evidence Theory in Fault Diagnosis", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Xi'An, China, Vol. 3, pp. 522 - 526, August, 2007.
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- Pinheiro, E.C.; Postolache, O.; Dias Pereira, J. M.; "A Practical Approach Concerning Heart Rate Variability Measurement and Arrhythmia Detection Based on Virtual Instrumentation", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. I, pp. 112 - 115, May, 2007.
Abstract | Full text (PDF 143KB) | BibTex

- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Smart and Portable Solution for Heavy Metals Concentration Measurements ", Proc IEEE Instrumentation and Measurement Technology Conf., Warsow, Poland, Vol. CD, pp. 100 - 105, May, 2007.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Distributed Passive Sonar System for Performance Evaluation of Low Depth", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. I, pp. 251 - 254, May, 2007.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Underwater Acoustic Source Localization Based on Passive Sonar and Intelligent Processing", Proc IEEE Instrumentation and Measurement Technology Conf., Warsav, Poland, Vol. I, pp. 175 - 179, May, 2007.
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- Postolache, O.; Girão, P.M.; G. Postolache; Dias Pereira, J. M.; "Vital Signs Monitoring System Based on EMFi Sensors and Wavelet Analysis ", Proc IEEE Instrumentation and Measurement Technology Conf., Warsaw, Poland, Vol. I, pp. 3 - 7, May, 2007.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Improving Accelerometers Performance Using Smart Sensing Techniques", Proc IEEE Sensors, Daegu, Korea, South, Vol. 1, pp. 183 - 186, October, 2006.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "Smart Flexible Tubidity Sensing Based on Embedded Neural Network", Proc IEEE Sensors, Daegu, Korea, South, Vol. I, pp. 658 - 661, October, 2006.
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- Ribeiro, A. L.; Ramos, H. G.; Ramos, P.M.; Dias Pereira, J. M.; "Inductive Conductivity Cell for Water Salinity Monitoring", Proc IMEKO World Congress, Rio de Janeiro, Brazil, Vol. CDROM, pp. 1 - 4, September, 2006.
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- Ramos, H. G.; Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Water Quality Sensors Calibration System Based on Reconfigurable FPGA Technology", Proc IMEKO World Congress, Rio de Janeiro, Brazil, Vol. 00, pp. 00 - 00, September, 2006.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Embedded FPGA Solution for Water Quality Monitoring System", Proc International Conf. on Informatics in Control, Automation and Robotics - ICINCO, Setubal, Portugal, Vol. 1, pp. 154 - 160, August, 2006.
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- Ramos, H. G.; Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Embedding IEEE 1451.4 Smart Sensing Nodes in a Wireless Air Monitoring Network", Proc IEEE Midwest Symp. on Circuits and Systems, San Juan, Puerto Rico, Vol. CD, pp. 1 - 5, August, 2006.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Smart Wireless Tipping-Bucket Rain Gauge", Proc International Conf. on Informatics in Control, Automation and Robotics - ICINCO, Setubal, Portugal, Vol. 1, pp. 205 - 209, August, 2006.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Real-Time Sensing Channel Modelling Based on an FPGA and Real-Time Controller", Proc IEEE Instrumentation and Measurement Technology Conf., Sorrento, Italy, Vol. Vol I, pp. 557 - 562, May, 2006.
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- M. Komárek; M. Novotny; Ramos, P.M.; Dias Pereira, J. M.; "A DSP Based Prototype for Water Conductivity Measurements", Proc IEEE Instrumentation and Measurement Technology Conf., Sorrento, Italy, Vol. , pp. 2348 - 2353, April, 2006.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Low-Cost Tide Measurement System for Water Quality Assessment", Proc IEEE Instrumentation and Measurement Technology Conf., Sorrento, Italy, Vol. 1, pp. 2226 - 2230, April, 2006.
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- Viegas, V.V.; Dias Pereira, J. M.; Girão, P.M.; "IEEE 1451.1 Standard and XML Web Services: a Powerful Combination to Build Distributed Measurement and Control Systems", Proc IEEE Instrumentation and Measurement Technology Conf., Sorrento, Italy, Vol. , pp. - , April, 2006.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Self-Adaptable Method to Optimize the Performance of Frequency-to-Code Conversion Based Measurement Systems", Proc International Workshop on Intelligent Data Acquisition and Advanced Computing Systems, Sofia, Bulgaria, Vol. 1, pp. 295 - 298, September, 2005.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "Auto Calibration of Stand-alone Filed Operating Sensors for Distributed Water Quality Monitoring Systems", Proc IMEKO TC4 Symp., Gdynia/Jurata Poland, Poland, Vol. Vol I, pp. 75 - 80, September, 2005.
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- Dias Pereira, J. M.; "Hardware and Software based Solutions to obtain Flexible and Adaptive Flow Characteristics of Control Valves", Proc Congresso Luso Moçambicano de Engenharia - CLME , Maputo, Mozambique, Vol. 1, pp. 221 - 225, August, 2005.
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- Dias Pereira, J. M.; "The Application of Ultrasonic Sensors in Smart Flowmeters", Proc MultiConf. on Systemics, Cybernetics and Informatics, Orlando, United States, Vol. 9, pp. 297 - 301, July, 2005.
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- Girão, P.M.; Dias Pereira, J. M.; Postolache, O.; "Mulisensor Data Fusion and its Application to Decision Making", Proc Advanced Mathematical and Computational Tools in Metrology - AMCTM , Costa da Caparica, Portugal, Vol. 0, pp. 0 - 0, June, 2005.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Digitally Programmable A/D Converter for Smart Sensors Applications", Proc IEEE Instrumentation and Measurement Technology Conf., Ottawa, Canada, Vol. 1, pp. 156 - 159, May, 2005.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Adaptive Self-Calibration Algorithm for Smart Sensors Linearization", Proc IEEE Instrumentation and Measurement Technology Conf., Ottawa, Canada, Vol. 1, pp. 648 - 652, May, 2005.
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- Ramos, H. G.; Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "IEEE 1451 Correction Engine to Temperature Compensation of Magnetoresistive Sensors", Proc IEEE Instrumentation and Measurement Technology Conf., Ottawa, Canada, Vol. I, pp. 560 - 564, May, 2005.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Smart Sensor Network for Air Quality Monitoring", Proc IEEE Instrumentation and Measurement Technology Conf., Ottawa, Canada, Vol. 1, pp. 537 - 542, May, 2005.
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- Viegas, V.V.; Dias Pereira, J. M.; Girão, P.M.; "Using a Commercial Framework to Implement and Enhance the IEEE 1451.1 Standard", Proc IEEE Instrumentation and Measurement Technology Conf., Ottawa, Canada, Vol. , pp. - , May, 2005.
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- Gurriana, L.M.; Dias Pereira, J. M.; Ramos, H. G.; "Development and Characterization of a pH and Conductivity Measurement System for Water Quality Assessment", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. --, pp. -- - --, April, 2005.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Heavy Metal Concentration Measurement Based on Virtual Instrumentation", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. I, pp. 5 - 9, April, 2005.
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- Ramos, H. G.; Ramos, H. G.; Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Development and Characterization of a Conductivity Cell for Water Quality Monitoring", Proc IEEE International Conf. on Signals, Systems, Devices - SSD, Sousse, Tunisia, Vol. 1, pp. 00 - 00, March, 2005.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "Intelligent Processing of the Dynamic Response of Sensors for Water Quality Monitoring", Proc IEEE International Conf. on Signals, Systems, Devices - SSD, Sousse, Tunisia, Vol. I, pp. 00 - 00, March, 2005.
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- Dias Pereira, J. M.; Girão, P.M.; Postolache, O.; "Adaptive Analog-to-Digital Conversion Using Self-Dithering in Data Acquisition Systems", Proc IEEE International Conf. on Electronics, Circuits and Systems, Telaviv, Israel, Vol. 1, pp. 100 - 103, December, 2004.
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- Ramos, H. G.; Dias Pereira, J. M.; Viegas, V.V.; Postolache, O.; Girão, P.M.; "A Centronics Based Transducer Independent Interface (TII) Fully Compliant with 1451.2 Std.", Proc IMEKO TC4 Symp., Athens, Greece, Vol. 2, pp. 555 - 560, September, 2004.
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- Ramos, H. G.; Girão, P.M.; Postolache, O.; Dias Pereira, J. M.; "Distributed Water Quality Measurement System Based on SDI-12", Proc IEEE AFRICON Conf. in Africa, Gaborone, Botswana, Vol. 01, pp. 57 - 60, September, 2004.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "Smart Oil and Conductivity Sensor for Water Quality Monitoring", Proc IMEKO TC4 Symp., Athenas, Greece, Vol. 2, pp. 417 - 422, September, 2004.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "A Temperature Compensated Conductivity Sensor with Auto-Calibration Capabilities", Proc MultiConf. on Systemics, Cybernetics and Informatics, Orlando, United States, Vol. XIII, pp. 74 - 79, July, 2004.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "Matching Ion Selective Electrode Response Characteristics Using Fuzzy-Neural Network", Proc MultiConf. on Systemics, Cybernetics and Informatics, Orlando, United States, Vol. XV, pp. 135 - 139, July, 2004.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Improving Performance of Encoders Based Systems Using Wavelet Techniques", Proc IMEKO TC-7 Symp., S. Petersburg, Russia, Vol. 1, pp. 238 - 242, June, 2004.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "Water Quality Data Processing Using Fuzzy Neural Networks and Kohonen Self Organizing Maps", Proc IMEKO TC-7 Symp., St. Petersburg, Russia, Vol. 1, pp. 509 - 513, June, 2004.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "Dew Point and Relative Humidity Smart Measuring System", Proc IEEE Instrumentation and Measurement Technology Conf., Como, Italy, Vol. 1, pp. 82 - 86, May, 2004.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "SDI-12 Based Turbidity Measurement System With Field Calibration Capability", Proc IEEE Canadian Conf. on Electrical & Computer, Niagara Falls, Canada, Vol. IV, pp. 1975 - 1979, May, 2004.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "HART Protocol Analyzer Based in LabVIEW", Proc International Workshop on Intelligent Data Acquisition and Advanced Computing Systems, Lviv, Ukraine, Vol. 1, pp. 174 - 176, September, 2003.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "A Remote Measurement and Control Solution for Distributed Hart Systems", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Tayuan, China, Vol. Vol.1, pp. 799 - 802, August, 2003.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Ramos, H. G.; "Smart Wireless System for Pollution of Rivers and Estuaries", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Taiyuan, China, Vol. 2, pp. 1139 - 1143, August, 2003.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "A Practical Approach to Ion Selective Electrodes Performance in Static and Dynamic Conditions", Proc IMEKO World Congress, Dubrovnik, Croatia, Vol. 1, pp. 630 - 634, June, 2003.
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- Ramos, H. G.; Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "An Application of the IEEE 1451.2 Correction Engine in an Integrated Sensing Structure", Proc IMEKO World Congress, Dubrovnik, Croatia, Vol. 1, pp. 609 - 613, June, 2003.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "Replacing Hart Hand-Held Terminals by PC Based Virtual Instruments", Proc IMEKO World Congress, Dubrovnik, Croatia, Vol. Vol.1, pp. 100 - 1004, June, 2003.
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- Ramos, H. G.; Dias Pereira, J. M.; Viegas, V.V.; Postolache, O.; Girão, P.M.; "A Virtual Instrument to Test Smart Transducer Interface Modules (STIMs)", Proc IEEE Instrumentation and Measurement Technology Conf., Vail, United States, Vol. 1, pp. 772 - 775, May, 2003.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "Self Organizing Maps Aplication in Remote Water Quality Monitoring System", Proc IEEE Instrumentation and Measurement Technology Conf., Vail-Colorado, United States, Vol. 1, pp. 529 - 533, May, 2003.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "Wireless Water Quality Monitoring System Based on Field Point Technology and Kohonen Maps", Proc IEEE Canadian Conf. on Electrical & Computer, Montreal, Canada, Vol. 3, pp. 1873 - 1876, May, 2003.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "Colored Light-to-Voltage Converters Based Absorbance Meter", Proc IEEE Sensors for Industry Conf., Houston, United States, Vol. 1, pp. 2 - 7, November, 2002.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "Increasing Ion Selective Electrodes Performances Using Neural Networks", Proc IEEE Sensors for Industry Conf., Houston, United States, Vol. 1, pp. 127 - 132, November, 2002.
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- Girão, P.M.; Postolache, O.; Dias Pereira, J. M.; Ramos, H. G.; "Accuracy Increase of Multi-Sensor Measuring Systems Using Sensors Data Fusion", Proc IMEKO TC4 Symp., Zagreb, Croatia, Vol. Part 2, pp. 442 - 447, September, 2002.
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- C. Temneanu ; Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Fuzzy Modeling of Measurement Data in Water Quality Assessment", Proc IMEKO TC4 Symp., Zagreb, Croatia, Vol. 2, pp. 396 - 476, September, 2002.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Ramos, H. G.; "Minimising Errors due to Non-Simultaneous Sampling of Voltage and Current in Digital Power Measurement Systems", Proc IMEKO TC4 Symp., Zagreb, Croatia, Vol. 1, pp. 307 - 310, September, 2002.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "An Internet and Microcontroller Based Remote Operation Multisensor System for Water Quality Monitoring", Proc IEEE Sensors, Orlando, United States, Vol. 1, pp. 254 - 259, June, 2002.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "A Temperature Compensated Power Measurement System Based on a Hall Effect Sensor", Proc IEEE Canadian Conf. on Electrical & Computer, Wininipeg, Canada, Vol. 1, pp. 502 - 507, May, 2002.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "An Intelligent Turbidity and Temperature Sensing Unit for Water Quality Assesment", Proc IEEE Canadian Conf. on Electrical & Computer, Winnipeg, Canada, Vol. 1, pp. 494 - 499, May, 2002.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; Ramos, H. G.; "An IR Turbidity Sensor:Design and Application", Proc IEEE Instrumentation and Measurement Technology Conf., Anchorage, United States, Vol. Vol 1, pp. 535 - 539, May, 2002.
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- Postolache, O.; Girão, P.M.; Ramos, H. G.; Dias Pereira, J. M.; "A Distributed Virtual Instrument for Indoor Air Monitoring", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Guilin, China, Vol. 1, pp. 6 - 10, November, 2001.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Serra, A.C.; "A Smart Capacitive Transducer with Autocalibration Capabilities", Proc Conf. on Electronic Measurement & Instruments - ICEMI, Guilin, China, Vol. Vol.1, pp. 25 - 29, November, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Laser Based Smart Displacement Sensor", Proc IEEE Sensors for Industry Conf., Rosemont, Illinois, United States, Vol. 1, pp. 149 - 154, November, 2001.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "PWM-A/D Conversion: A Flexible and Low-Cost Solution for Transducer Linearization", Proc IEEE Sensors for Industry Conf., Rosemount, United States, Vol. Vol.1, pp. 258 - 263, November, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; M. Cretu; C. Fosalau; "Air Contaminants Measurement Based on Neural Processing and PIC16F877 Hardware Support", Proc International Metrology Congress, Saint-Louis, France, Vol. 1, pp. 68 - 72, October, 2001.
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- Dias Pereira, J. M.; Postolache, O.; Serra, A.C.; Girão, P.M.; "Extending Digital Input/Output Capabilities to Low-Cost and Non-Linear A/D Conversion", Proc IMEKO TC4 Symp., Lisbon, Portugal, Vol. Vol.1, pp. 101 - 105, September, 2001.
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- Girão, P.M.; Postolache, O.; Dias Pereira, J. M.; "LASER Based Optical Linear Displacement Transducer with Light Fluctuation Compensation", Proc Seminário Anual de Automática, Electrónica Industrial e Instrumentacion, Matanzas, Cuba, Vol. 01, pp. 0 - 0, September, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Microcontroller-based Data Processing for Non-Linear Measuring Sensors", Proc IMEKO TC4 Symp., Lisbon, Portugal, Vol. II, pp. 428 - 432, September, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "A Study of a Neural Processing Application in Multitransducer Systems", Proc Jornadas Luso Espanholas de Engenharia Electrotécnica, Madrid, Spain, Vol. 4, pp. 153 - 158, July, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "An Intelligent CO Sensor Using Neural Network", Proc Jornadas Luso Espanholas de Engenharia Electrotécnica, Madrid, Spain, Vol. 4, pp. 147 - 152, July, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Neural Network Application in a Carbon Monoxide Measurement system", Proc IEEE International Joint Conf. on Neural Networks , Washington DC, United States, Vol. 3-4, pp. 2310 - 2315, July, 2001.
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- Postolache, O.; Girão, P.M.; Dias Pereira, J. M.; "Neural Network in Automatic Measurement System: State of Art and New Research Trends", Proc IEEE International Joint Conf. on Neural Networks , Washington DC, United States, Vol. 3-4, pp. 2076 - 2081, July, 2001.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; Serra, A.C.; "A Discrete and Cost Effective ADC Solution Based on a Pulse-Width Modulation Technique", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. Vol.1, pp. 153 - 156, April, 2001.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "A Linear Displacement Tilt Self-Coorected Transducer based on a Discrete Position Detector ", Proc Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. I, pp. 153 - 156, April, 2001.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "An optical displacement meter based on light-to-frequency converter", Proc IMEKO World Congress, Wien, Austria, Vol. II, pp. 265 - 269, September, 2000.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Aplication of Neural Structures in Water Quality Measurements", Proc IMEKO World Congress, Wien, Austria, Vol. IX, pp. 353 - 358, September, 2000.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "Flexible ADC: A Dither and Oversampling Based Solution to Improve the Performance of ADC Systems", Proc IMEKO World Congress, Wien, Austria, Vol. Vol.II, pp. 103 - 108, September, 2000.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "ADC Resolution Enhancement based on RBF Neural Network", Proc IMEKO TC4 Symp., Bordeaux, France, Vol. I, pp. 128 - 132, September, 1999.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Application of RBF Neural Network in ADC Resolution Enhancement", Proc IMEKO World Congress, Osaka, Japan, Vol. 4, pp. 89 - 92, June, 1999.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "Dithering in Interleaved ADC Systems", Proc IMEKO World Congress, Osaka, Japan, Vol. Vol.4, pp. 81 - 84, June, 1999.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "Dithered ADC Systems in the Presence of Hysteresis Errors", Proc IEEE Instrumentation and Measurement Technology Conf., Veneza, Italy, Vol. Vol.2, pp. 1648 - 1652, May, 1999.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "Dithering in A/D converters: A Compromise between Resolution and Bandwidth", Proc Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. Vol.1, pp. 85 - 89, April, 1999.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "A Virtual Magnetometer based on Artificial Neural Network", Proc IMEKO TC4 Symp., Napoli, Italy, Vol. I, pp. 580 - 583, September, 1998.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "An Optical Temperature Transducer Based on a Bimetallic Sensor", Proc IMEKO TC4 Symp., Napoles, Italy, Vol. Vol.2, pp. 661 - 664, September, 1998.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; Serra, A.C.; "A New Virtual Instrument for Temperature Measurement based on a Photodiode Excited by a Laser Source", Proc IEEE Mediterranean Electr. Conf. - MELECON , Tel Aviv, Israel, Vol. I, pp. 1440 - 1444, May, 1998.
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- Postolache, O.; Girão, P.M.; Ramos, H. G.; Dias Pereira, J. M.; "A Temperature Sensor Fault Detector as an Artificial Neural Network Application", Proc IEEE Mediterranean Electr. Conf. - MELECON , Tel Aviv, Israel, Vol. I, pp. 678 - 682, May, 1998.
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- Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "An ANN Fault Detection Procedure Applied in Virtual Measurement Systems Case", Proc IEEE Instrumentation and Measurement Technology Conf., San Paul Minesota, United States, Vol. I, pp. 257 - 261, May, 1998.
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- Dias Pereira, J. M.; Postolache, O.; Girão, P.M.; "Minimising Temperature Drift Errors of Conditioning Circuits Using Artificial Neural Networks", Proc IEEE Instrumentation and Measurement Technology Conf., Minnesota, United States, Vol. Vol.1, pp. 276 - 279, May, 1998.
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- Postolache, O.; Dias Pereira, J. M.; M. Cretu; Girão, P.M.; "An ANN Method for Correction of Time Drift Error in Virtual Measurement Systems", Proc International Symp. on Signals, Circuits and Systems, Iasi, Romania, Vol. 2, pp. 595 - 598, October, 1997.
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- Postolache, O.; M. Cretu; Dias Pereira, J. M.; Girão, P.M.; "Aplication of LASER-photodiode Combination in Temperature Measurement", Proc International Conf. on Electromechanical Systems - SIELMEL, Chisinau, Moldova, Vol. I, pp. 163 - 166, October, 1997.
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- M. Cretu; Postolache, O.; Dias Pereira, J. M.; Girão, P.M.; "Magnetoresitive sensors characterization based on ANN", Proc International Conf. on Electromechanical Systems - SIELMEL, Chisinau, Moldova, Vol. 1, pp. 167 - 170, October, 1997.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "High Accuracy Data Acquisition of Periodic Signals", Proc IMEKO TC4 Symp., Glasgow, United Kingdom, Vol. Vol.1, pp. 141 - 144, September, 1997.
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- Dias Pereira, J. M.; Serra, A.C.; Girão, P.M.; "Minimising Truncation Errors in Digital Wattmeters", Proc IMEKO TC4 Symp., Glasgow, United Kingdom, Vol. Vol.1, pp. 113 - 116, September, 1997.
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- Dias Pereira, J. M.; Girão, P.M.; "Identification of Two and Four Ports Systems Using a Frequency Domain Technique", Proc IMEKO TC4 Symp., Praga, Czech Republic, Vol. Part 2, pp. 352 - 356, September, 1995.
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