47 search results - page 3 / 10 » Spreading Signals in the Wideband Limit |
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
Artificial bandwidth extension (ABWE) of speech signals aims to estimate wideband speech (50 Hz – 7 kHz) from narrowband signals (300 Hz – 3.4 kHz). Applying the source-filt...
IEICET
2006
13 years 5 months ago
2006
Ultra wideband (UWB) signal propagation was measured and characterized in comparison with narrowband in a passenger-car compartment, to accommodate a design of new wireless devices...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
The theoretical foundations of data hiding have been revealed by formulating the problem as message communication over a noisy channel, i.e. the host document. In light of this de...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
— In contrast to the prevalent assumption of rich multipath in information theoretic analysis of wireless channels, physical channels exhibit sparse multipath, especially at larg...
ICASSP
2008
IEEE
14 years 7 days ago
2008
IEEE
Loudspeaker arrays usually are used in professional sound reinforcement systems to provide uniform sound coverage of the listening area. They can also be used for focusing the sou...