8581 search results - page 1245 / 1717 » Digital Signal Processing |
195
click to vote
CORR
2008
Springer
15 years 7 months ago
2008
Springer
We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperati...
158
click to vote
IAJIT
2008
15 years 7 months ago
2008
: Many studies have focused on the nonlinear analysis of electroencephalography mainly for the characterization of epileptic brain states. The spatial and temporal dynamics of the ...
174
click to vote
CORR
2006
Springer
15 years 7 months ago
2006
Springer
Abstract-- In this paper, a downlink scenario in which a singleantenna base station communicates with K single antenna users, over a time-correlated fading channel, is considered. ...
168
click to vote
CSDA
2006
15 years 7 months ago
2006
Standard median filters preserve abrupt shifts (edges) and remove impulsive noise (outliers) from a constant signal but they deteriorate in trend periods. Finite impulse response ...
191
click to vote
IJON
2008
15 years 6 months ago
2008
We consider the problem of convolutive blind source separation of stereo mixtures. This is often tackled using frequency-domain independent component analysis (FDICA), or time-fre...