Abstract
In this letter, we present a multichannel signal detection approach that is particularly advantageous in nonstationary noise environments. A beamformer is realistically assumed to have a steering error, a blocking matrix that is unable to block all of the desired signal components, and a noise canceler that is adapted to the pseudostationary noise, but not modified during transient interferences. Signal components are detected at the beamformer output based on a measure of their local nonstationarity, and discriminated from transient noise components based on the transient beam-to-reference ratio.
| Original language | English |
|---|---|
| Pages (from-to) | 259-262 |
| Number of pages | 4 |
| Journal | IEEE Signal Processing Letters |
| Volume | 10 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2003 |
Keywords
- Adaptive signal processing
- Array signal processing
- Interference suppression
- Signal detection
- Spectral analysis
ASJC Scopus subject areas
- Signal Processing
- Electrical and Electronic Engineering
- Applied Mathematics
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