2017 - XXXV Simpósio Brasileiro de Telecomunicações e Processamento de Sinais
Modeling and Simulation of Underwater Acoustic Communication Systems
This work describes a simple model for underwater acoustic (UWA) channels, taking into account Doppler effects. The performance of orthogonal frequency-di...
- Rafael S. Chaves
- Wallace A. Martins
- Paulo S. R. Diniz
- OFDM
- Underwater Acoustic Channel
- Doppler Effect
SBrT 2017
Graph Fourier Transform for Light Field Compression
This work proposes the use of graph Fourier transform (GFT) for light field data compression. GFT is a tool developed for the emerging field of digital sign...
- Vitor Rosa Meireles Elias
- Wallace Alves Martins
- Signal Processing on Graphs
- Graph Fourier Transform
- Compression
- Light Field
- Discrete Cosine Transform
SBrT 2017
A Computational Platform for Visible Light Communications
This paper proposes a computational platform for simulations of visible light communication (VLC) systems. Special emphasis is placed on the modeling of lig...
- Felipe Barboza da Silva
- Wallace Alves Martins
- Visible light communication
- light-emitting diode
- adaptive filters
- Volterra series
- decision-feedback equalizer
SBrT 2017
Algoritmo de Otimização por Colônia de Formigas aplicado em Imagens de Tomografia Computadorizada para Detecção de AVC Hemorrágico
This paper presents an use of Ant Colony Optimization (ACO) algorithm for detection of hemorrhagic stroke (CVA) in computed tomography (CT) brain images. AC...
- Cecília Burle
- Walisson Soares
- Danilo Regis
- Hemorrhagic Stroke
- ACO
- Computed Tomography
- Image processing
SBrT 2017
Sistema Automático de Apontamento de Antena para Receptores Satelitais nas Bandas C e Ku
Currently, satellite TV services present great co- verage and allow the transmission of audio and video infor- mation to distant locations, with the advant...
- Anderson S. de Jesus
- Rebeca N. Rodrigues
- Adolpho N. G. Ferreira
- Eddie B. L. Filho
- Waldir S. S. Júnior
- Victor H. Valente
- Wheidima C. Melo
- Digital Television
- Satellite Communications
- An- tenna Alignment
- DTH
SBrT 2017