Este artigo apresenta uma investigação prática da modelagem estatística de canais sem fio utilizando a faixa de frequência de 450 MHz com aplicação em futura...

• Carolina Azevedo Guedes Ferreira
• Ugo Silva Dias

• Canal sem fio
• Caracterização estatística
• Medições de campo
• LTE 450

SBrT 2015

To Know the usage of the communication circuits used by the Air Traffic Services can aid the development of a statistical network able to carry out the cri...

• Denniel S. Z. Rossi
• Mauro Fonseca
• Anelise Munaretto

• Air Traffic Controller
• Voice model
• Distribution probability

SBrT 2015

The fractional Fourier transform over finite fields (GFrFT) based on the matrix function approach is used to design an image encryption scheme. The approa...

• Paulo H. E. S. Lima
• Juliano B. Lima
• Ricardo M. Campello de Souza

• Fractional Fourier transforms Finite fields
• Image encryption

SBrT 2015

This paper is concerned with perfect codes in the ∞ -Lee metric. A complete classification and description of all (linear and non-linear) two-dimensional ...

• Claudio M. Qureshi
• Sueli I. R. Costa

• Perfect codes
• Lee metric
• p -Lee metric
• group isomorphism

SBrT 2015

Many continuous wavelets are defined in the frequency domain and do not have analytical expressions in the time domain. Meyer wavelet is ordinarily defined...

• Victor Vermehren Valenzuela
• Hélio Magalhães de Oliveira

• Meyer wavelets
• multiresolution analysis
• scale function

SBrT 2015