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MEDES
2010
ACM
14 years 6 months ago
2010
ACM
This work presents a case of an innovative Brazilian experience of use of free software in public administration as an emergent ecosystem, and the attempt to establish a quality f...
SIGARCH
2010
14 years 6 months ago
2010
SIGSPATIAL
2010
14 years 6 months ago
2010
TASLP
2010
14 years 6 months ago
2010
We consider the problem of extracting the source signals from an under-determined convolutive mixture assuming known mixing filters. State-of-the-art methods operate in the time-fr...
TIT
2010
14 years 6 months ago
2010
Wideband analog signals push contemporary analog-to-digital conversion systems to their performance limits. In many applications, however, sampling at the Nyquist rate is inefficie...