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Hierarchical structures were obtained applying two different nanotexturing surface treatments onto highly rough commercial pure titanium coatings by cold spray: (i) anodic oxidation and (ii) alkaline… (More)
Atualmente se sabe que o caminho para a sustentabilidade e a preservacao e conservacao dos recursos naturais, para isso e preciso conhecimento das leis ambientais. A Educacao Ambiental apesar de nao… (More)
This paper presents a reconfigurable digital design of filtering and decimation for a cascade 2-2 sigmadelta ( ) analog-to-digital converter (ADC). The ADC reconfigures its MASH… (More)
We derive simple approximate bit error rate (BER) expressions for half-duplex multiple-access wireless communications systems. The system model consists of <inline-formula> <tex-math… (More)
This paper presents the characterization and synthesis results for a hardware implementation of a reconfigurable digital logic cancellation circuit auxiliary for multi-mode Σ∆ modulator that is… (More)