The automatic classification (or identification) of modulation schemes and radio access technologies (RAT) find several applications in military and cognit...

• Ingrid Nascimento
• Flavio Mendes
• Marcus Dias
• Andrey Silva
• Aldebaro Klautau

• Deep learning
• Radio Access Technology Classification
• Automatic Modulation Classification

SBrT 2018

Viaturas táticas são um recurso usual em sistemas de comando e controle. Para o adequado estabelecimento dos enlaces de comunicações, é importante conhecer...

• Maurício H. C. Dias
• Arnaud C. Silveira
• Márcio B. T. Dantas

• Antenas monopolo
• antenas HF
• comando e controle
• comunicações HF
• rádio definido por software

SBrT 2018

In this work, a formulation was developed for parabolic equations in the time domain (TDPE), considering nonhomogeneous atmosphere and disregarding backscatt...

• Hugo Daniel Melo Ferreira
• Cássio Gonçalves do Rego
• Gláucio Lopes Ramos

• Parabolic Equation
• Nonhomogeneous Atmosphere
• Cranck-Nicolson Method
• Damping Windows

SBrT 2018

This work describes the implementation of a satellite tracking technique in a real antenna control system. The technique uses least squares estimation to se...

• Thiago Sarmento
• Andrey Nakamura
• Itelo Filho
• Adalbery Castro
• Aldebaro Klautau
• Lucas Correa
• Marcos Takeda

• Satellite tracking technique
• Real antenna control system
• Least squares.

SBrT 2018

Diagonal loading imparts robustness to adaptive beamformers. With it, the algorithm improves both its capacity of sidelobes attenuation and the signal-to-i...

• Filipe de C. B. da Silveira
• Ricardo Zelenovsky
• Mylène C. Q. de Farias

• Adaptive beamforming
• uniform linear array (ULA)
• sample-matrix inversion (SMI)
• loaded SMI (LSMI)
• minimum variance distortionless response (MVDR) beamformer and loading factor

SBrT 2018