930 search results - page 2 / 186 » Adding Gaussian noise to |
FOCS
2004
IEEE
14 years 1 months ago
2004
IEEE
We show that finding small solutions to random modular linear equations is at least as hard as approximating several lattice problems in the worst case within a factor almost line...
TIP
2010
13 years 4 months ago
2010
Multiplicative noise (also known as speckle noise) models are central to the study of coherent imaging systems, such as synthetic aperture radar and sonar, and ultrasound and laser...
TSP
2008
13 years 9 months ago
2008
This paper derives new soft-decision metrics for coded orthogonal signaling in impulsive noise, more specifically symmetric -stable noise. For the case of a known channel amplitude...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In many applications non-stationary Gaussian or stationary nonGaussian noises can be observed. In this paper we present a maximum a posteriori estimation jointly of spectral ampli...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— The effect of noise on the maximum useful number of receiver antennas that can be deployed in a cochannel interference diversity system is examined. The long term signalpower-t...