Search results for: MULTIFREQUENCY WIDEBAND SONAR (MWA) - Bridge of Knowledge

Search results for: MULTIFREQUENCY WIDEBAND SONAR (MWA)

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Multifrequency Wideband Sonar Array
Publication
- A. Eliminowicz
- W. Lis
- L. Zajączkowski
- HYDROACOUSTICS - Year 2012
This paper describes of new approach to Multifrequency Wideband Arrays (MWA),applied piezocomposite technologies of the array elements. MWA operating in transmitting(Tx) and receiving (Rx) mode on two or three bands, requires state-of-the-art technology andefficient array designing than conventional array in which separate arrays for every band oreven separate Tx and Rx transducers/arrays are used. The new piezocomposite elements...

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Multifrequency self-optimizing narrowband interference canceller
Publication
- M. Niedźwiecki
- M. Meller
- Year 2010
The problem of cancellation of a nonstationary sinusoidal interference, acting at the output of a linear stable plant, is considered. It is assumed that disturbance is a multifrequency narrowband signal, and that system output is contaminated with wideband noise. It is not assumed that the reference signal is available. Two disturbance cancelling schemes are proposed, one for disturbances with unrelated frequency components, and...