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Sociedade Brasileira de Telecomunicações


Estimation and Analysis of Differential Code Biases Based on GPS Data from Brazilian Network

The uncertainty of differential code bias (DCB) is one of the main error sources in ionospheric delay of the signal GPS based total electron content (TEC). I...

SBrT 2019


Redes Sem Fio Heterogêneas com Dispositivos Móveis de Múltiplas Interfaces para Conexões Simultâneas utilizando Sistema Fuzzy

Com o aumento exponencial das redes sem fio heterogêneas na atualidade, houve um crescente interesse pela comunidade acadêmica por questões voltadas a proble...

SBrT 2019


A semblance based TDOA algorithm for sound source localization

In this paper we propose a new time difference delay of arrival technique based on the semblance multichannel coherency function for the problem of sound sou...

SBrT 2019


Contribuição ao estudo da medida de desigualdades - análise conjunta dos índices de Gini e Theil

In this paper, the Gini, , and the Theil, , indices, which are used to measure inequality in a population, are jointly analyzed. The Theil index is a measure...

SBrT 2019


Pré-processamento com SVD para Interfaces Cérebro-Computador com paradigma SSVEP

Brain-computer interfaces are systems capable of generating control signals directly from brain activity. This study presents a filtering method that uses Si...

SBrT 2019