Skip to content

Sociedade Brasileira de Telecomunicações


Close Approximations for Daublets and their Spectra

This paper offers a new regard on compactly supported wavelets derived from FIR filters. Although being continuous wavelets, analytical formulation are lac...

SBrT 2010


Fiber Bragg Grating Compression-based Tuning Device for Reconfigurable OADM

In this work a fast Bragg grating-based tuning device, working according to the mechanical compression of the fiber, is demonstrated. The device achieves a...

SBrT 2010


A Low-Cost Implementation of High-Order Square M-QAM Detection/Demodulation in a FPGA Device

This paper outlines a low-cost technique for detection/demodulation of high-order square M-ary quadrature amplitude modulation (M-QAM), M = 4, 16, 64, 256,...

SBrT 2010


Gunshot detection in noisy environments

Gunshot detection finds application in the fields of law enforcement, forensic science, and defense (military applications). The first task of a sniper det...

SBrT 2010


Analyzing the Propagation Features of the Texas eZ430-RF2500 Device

The Texas eZ430-RF2500 is a new device developed for wireless networking applications. This paper analyzes the propagation features of this device for the ...

SBrT 2010