8581 search results - page 233 / 1717 » Digital Signal Processing |
179
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
Compressive sensing (CS) has been proposed for signals with sparsity in a linear transform domain. We explore a signal dependent unknown linear transform, namely the impulse respo...
188
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper is devoted to the subspace DoA estimation using a large antennas array when the number of available snapshots is of the same order of magnitude than the number of senso...
160
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Classical sampling records the signal level at pre-determined time instances, usually uniformly spaced. An alternative implicit sampling model is to record the timing of pre-deter...
223
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We consider distributed linearly constrained minimum variance (LCMV) beamforming in a wireless sensor network. Each node computes an LCMV beamformer with node-specific constraint...
152
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
—In this paper we investigate the local probability density function (pdf) of natural signals in sparse domains. The statistical properties of natural signals are characterized m...