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Sociedade Brasileira de Telecomunicações


Sobre a Parametrização do Dicionário de Bateman na Compressão de Sinais de Atividade Eletrodérmica via Decomposições Atômicas

The growth in the supply and use of wearable devices with embedded biomedical signal sensors, including electrodermal activity (EDA), requires and demands to...

SBrT 2020


A Modified Pilot-Aided Multi-Peak Search Frame Synchronization Algorithm for DVB-S2

This work presents a modified version of an existing frame synchronization algorithm for DVB-S2 based satellite systems. The previous method uses pilot and h...

SBrT 2020


All-digital AFSK modem with Viterbi detection for TT&C CubeSat transceiver

Audio-Frequency Shift Keying (AFSK) with continuous phase modulation and non-coherent demodulation is widely used on the telecommand channel of the most TT&C...

SBrT 2020


Codificação de imagens usando sinais caóticos

Chaos-based communication systems (CBCSs) can be used in applications that require security, such as image coding. In this paper, we code an image using a CB...

SBrT 2020


Realce de Imagens TCFC do Tipo DICOM Usando o Software MATLAB

This article presents the implementation of some filters commonly used in the analysis of DICOM (Digital Imaging and Communications in Medicine) computed tom...

SBrT 2020