Search Results - "Dias Fernandes, Ricardo"

Resonant Electrical Coupling: Circuit Model and First Experimental Results by Dias Fernandes, Ricardo, Matos, Joao Nuno, Borges Carvalho, Nuno

“…In this paper, the feasibility of resonant electrical coupling as a wireless power transfer technique is studied. A detailed comparison between this technique…”
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Air-substrate compact high gain rectennas for low RF power harvesting by Momenroodaki, Parisa, Dias Fernandes, Ricardo, Popovic, Zoya

“…In this paper, we present two integrated rectifier-antennas (rectennas) which maximize received DC power for 1μW/cm 2 incident power density at 2.45 GHz. One…”
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Wireless power transmission based on resonant electrical coupling by Dias Fernandes, Ricardo, Matos, Joao Nuno, Carvalho, Nuno Borges

“…A novel technique for wirelessly transferring power over non-negligible distances is proposed and discussed in this document. In this technique the transfer of…”
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Constructive combination of resonant magnetic coupling and resonant electrical coupling by Dias Fernandes, Ricardo, Matos, Joao Nuno, Borges Carvalho, Nuno

“…In this paper the possibility of combining resonant magnetic coupling and resonant electrical coupling is proposed and discussed. Equivalent circuit models are…”
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Behavior of resonant electrical coupling in terms of range and relative orientation by Dias Fernandes, Ricardo, Matos, Joao Nuno, Borges Carvalho, Nuno

“…The subjects addressed in this document fall under the topic of wireless power transmission (WPT). Power is transferred using a novel coupling technique based…”
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Resonant wireless power transmission based on resonant electrical coupling by Fernandes, Ricardo Dias

“…Contained in this document are theoretical and experimental results related to the feasibility of resonant electrical coupling as a method of wirelessly…”
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Resonant wireless power transmission based on resonant electrical coupling: Transmissao de energia sem fios baseada em acoplamento eletrico ressonante by Fernandes, Ricardo Dias

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Equity Research: Sport Lisboa e Benfica - Futebol, SAD by Ferreira, Ricardo João Dias Fernandes Lopes

“…O presente estudo efetua uma análise detalhada da Sport Lisboa e Benfica SAD (SLBEN). A necessidade da realização deste estudo prende-se com o constante…”
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Projecto de Um Sensor Sem Fios Passivo by Fernandes, Ricardo Dias

“…Redes de sensores sem fios são hoje em dia utilizadas numa grande variedade de aplicações, o que justifica o facto de que os sensores que as constituem sejam…”
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Increasing the range of wireless passive sensor nodes using multisines by Fernandes, R. D., Boaventura, A. S., Carvalho, N. B., Matos, J. N.

“…Wireless Sensor Networks (WSNs) usually consist of battery-powered nodes. Therefore, once the batteries deplete, the networks collapse. Passive sensor nodes…”
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Design of a battery-free wireless sensor node by Fernandes, R. D., Carvalho, N. B., Matos, J. N.

“…In this paper, a battery-free wireless sensor designed to harvest energy from electromagnetic waves at 866.6MHz and its detachable antenna system are…”
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O Som e o Ruído Nos Jardins Urbanos do Porto by Dias, Ricardo André Cleto Fernandes

“…Nos grandes centros urbanos de hoje, o ruido é um problema real. O ruido, um subproduto da urbanização e da industrialização, é cada vez mais reconhecido como…”
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