An improvement of the discriminating capability of the active sonar by optimization of a criterion based on the Cramer-Rao lower bound

An improvement of the discriminating capability of the active sonar by optimization of a criterion based on the Cramer-Rao lower bound

This study is a contribution within the framework of detection of underwater targets using active sonar. This paper aims at proposing an original method allowing a great improvement of the sonar performances. This technique uses a filter, determined by optimizing a criterion based on the Cramer-Rao...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Fraschini, C., Chaillan, F., Courmontagne, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Delay effects
Delay estimation
Demodulation
Filtering
Matched filters
Maximum likelihood estimation
Signal resolution
Signal to noise ratio
Sonar detection
Stochastic resonance
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Beschreibung
Zusammenfassung:This study is a contribution within the framework of detection of underwater targets using active sonar. This paper aims at proposing an original method allowing a great improvement of the sonar performances. This technique uses a filter, determined by optimizing a criterion based on the Cramer-Rao lower bound. Experimental results are proposed and compared with other approaches.
DOI:10.1109/OCEANSE.2005.1513159