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Projeto e análise de moduladores Sigma-delta em tempo contínuo em tecnologias CMOS
(2014-12-05)
This work presents the design of a continuous time sigma-delta modulator with a 0.2
MHz signal bandwidth and 78 dB signal-to-noise ratio (SNR), which are the specifications for
the GSM standard. Three single-loop, ...
Técnicas de algoritmos genéticos aplicadas à otimização do diagrama de radiação de arranjo de antenas
(Universidade Federal de Santa Maria, 2014-07-07)
Nowadays the search for optimization becomes stronger day by day. Furthermore,
genetic algorithms have been widely studied by researchers, since they act as stochastic optimization
process which can be applied in many ...
Acoplamento e validação funcional do sistema reconfigurável DIM
(Universidade Federal de Santa Maria, 2014-12-11)
Reconfigurable architectures have been widely employed to speedup applications by
exploiting instruction level parallelism, appearing as an alternative to replace the power-hungry circuits of superscalar processors. The ...
Explorando a união entre memória de contextos e de instruções de uma arquitetura reconfigurável visando a redução de área e consumo de potência em sistemas embarcados
(Universidade Federal de Santa Maria, 2014-01-17)
In this work, a new structure of memory for reconfigurable architectures, emerging solutions
for embedded systems, has been developed. The new memory, called Unified Memory,
try to merge reconfiguration contexts and ...
Técnicas de transmissão adaptativa para canal MIMO PLC
(Universidade Federal de Santa Maria, 2014-03-28)
Along the last years, it has been investigated the use of multiple-input multiple-output (MIMO) systems
to improve the performance of Power Line Communications (PLC). The high demand of broadband
services has pushed ...
Estimador de potência aparente utilizando sensor de corrente para aplicaçâo residencial
(Universidade Federal de Santa Maria, 2014)
In the current context, where much cares about sustainability and renewable and non-renewable energy, the trend over time will optimize the way in which this energy will be used. This work aims to develop an instrument who ...
Regulador de temperaturas para chuveiros elétricos
(2014-01-16)
The project consists in implementing a temperature regulator for eletric showers where
the user will choose the desired water temperature and the system will perform the power control
of the shower until the selected ...