Experimental testing of the noise-canceling processor
Signal-processing techniques for localizing an acoustic source buried in noise are tested in a tank experiment. Noise is generated using a discrete source, a bubble generator, and a sprinkler. The experiment has essential elements of a realistic scenario in matched-field processing, including comple...
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Veröffentlicht in: | The Journal of the Acoustical Society of America 2011-09, Vol.130 (3), p.1217-1221 |
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Hauptverfasser: | , , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | Signal-processing techniques for localizing an acoustic source buried in noise are tested in a tank experiment. Noise is generated using a discrete source, a bubble generator, and a sprinkler. The experiment has essential elements of a realistic scenario in matched-field processing, including complex source and noise time series in a waveguide with water, sediment, and multipath propagation. The noise-canceling processor is found to outperform the Bartlett processor and provide the correct source range for signal-to-noise ratios below −10 dB. The multivalued Bartlett processor is found to outperform the Bartlett processor but not the noise-canceling processor. |
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ISSN: | 0001-4966 1520-8524 |
DOI: | 10.1121/1.3621059 |