Search Results - "Siqueira Dias, J. A."

Evaluation of the Thermoelectric Energy Harvesting Potential at Different Latitudes Using Solar Flat Panels Systems with Buried Heat Sink by Carvalhaes-Dias, Pedro, Cabot, Andreu, Siqueira Dias, J.

“…Thermoelectric generators (TEG) can harvest solar energy during the day using solar flat panels. They can also benefit from the use of a material that stores…”
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A Self-Powered and Autonomous Fringing Field Capacitive Sensor Integrated into a Micro Sprinkler Spinner to Measure Soil Water Content by da Costa, Eduardo Ferreira, de Oliveira, Nestor E, Morais, Flávio J O, Carvalhaes-Dias, Pedro, Duarte, Luis Fernando C, Cabot, Andreu, Siqueira Dias, J A

“…We present here the design and fabrication of a self-powered and autonomous fringing field capacitive sensor to measure soil water content. The sensor is…”
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Autonomous Soil Water Content Sensors Based on Bipolar Transistors Encapsulated in Porous Ceramic Blocks by Carvalhaes-Dias, Pedro, Morais, Flávio, Duarte, Luís, Cabot, Andreu, Siqueira Dias, J.

“…We present an autonomous sensor to measure soil water content that uses a single heat pulse probe based on a transistor encapsulated in a porous block. The…”
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Electronic technique for temperature compensation of fibre Bragg gratings sensors by Siqueira Dias, J.A., Leite, R.L., Ferreira, E.C.

“…Optical sensors composed of fibre Bragg gratings (FBG) are becoming a choice for a wide range of sensing applications. However, in order to manufacture…”
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High-precision PTAT current source based on the Meijer cell by Carvalhaes-Dias, P., Guimarães, H. L., Siqueira Dias, J. A.

“…Proportional to absolute temperature (PTAT) current sources are one of the most important building blocks in analogue circuit design. An important PTAT current…”
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Analogue control of the slew-rate in LIN bus digital transitions using translinear circuits by Terçariol, W. L., Ferreira, E. C., Dias, J. A. Siqueira

“…A novel technique to control the LIN (Local Interconnect Network) bus slew-rate transitions in automotive environment, where large fluctuations of the battery…”
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High resolution demodulation technique for Sagnac fibre optics gyroscopes using a low frequency quasi-synchronous clock by Fernandes, Alecio P., Ferreira, E.C., Siqueira Dias, J.A.

“…A simple technique which employs a low frequency quasi-synchronous clock was developed to measure duty-cycles with high resolution. For the same measurement…”
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A study of the electrical properties of ion implanted MnNiCuFeO ceramics by Binbin Li, Dias, J.A.S.

“…The structural and electrical properties of polycrystalline MnNiCuFeO implanted with B/sup +/, P/sup +/, and Si/sup +/ were studied. Measurements were realized…”
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