Clutter suppression and classification using twin inverted pulse sonar in ship wakes
Clutter suppression and classification using twin inverted pulse sonar in ship wakes
Twin inverted pulse sonar (TWIPS) is here deployed in the wake of a moored rigid inflatable boat (RIB) with propeller turning, and then in the wake of a moving tanker of 4580 dry weight tonnage (the Whitchallenger). This is done first to test its ability to distinguish between scatter from the wake and scatter from the seabed, and second to test its ability to improve detectability of the seabed through the wake, compared to conventional sonar processing techniques. TWIPS does this by distinguishing between linear and nonlinear scatterers and has the further property of distinguishing those nonlinear targets which scatter energy at the even-powered harmonics from those which scatter in the odd-powered harmonics. TWIPS can also, in some manifestations, require no range correction (and therefore does not require the a priori environment knowledge necessary for most remote detection technologies).
3431-3437
Leighton, T.G.
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Finfer, D.C.
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Chua, Gim Hwa
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White, P.R.
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Dix, J.K.
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2011
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Finfer, D.C.
c2aa2745-6348-4149-904c-0dfcfe3da7a8
Chua, Gim Hwa
88fb5c26-2ad9-4bf8-b947-707243de8f49
White, P.R.
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Dix, J.K.
efbb0b6e-7dfd-47e1-ae96-92412bd45628
Leighton, T.G., Finfer, D.C., Chua, Gim Hwa, White, P.R. and Dix, J.K.
(2011)
Clutter suppression and classification using twin inverted pulse sonar in ship wakes.
Journal of the Acoustical Society of America, 130 (5), .
(doi:10.1121/1.3626131).
Abstract
Twin inverted pulse sonar (TWIPS) is here deployed in the wake of a moored rigid inflatable boat (RIB) with propeller turning, and then in the wake of a moving tanker of 4580 dry weight tonnage (the Whitchallenger). This is done first to test its ability to distinguish between scatter from the wake and scatter from the seabed, and second to test its ability to improve detectability of the seabed through the wake, compared to conventional sonar processing techniques. TWIPS does this by distinguishing between linear and nonlinear scatterers and has the further property of distinguishing those nonlinear targets which scatter energy at the even-powered harmonics from those which scatter in the odd-powered harmonics. TWIPS can also, in some manifestations, require no range correction (and therefore does not require the a priori environment knowledge necessary for most remote detection technologies).
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Published date: 2011
Organisations:
Acoustics Group, Coastal & Shelf Research
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Local EPrints ID: 203917
URI: http://eprints.soton.ac.uk/id/eprint/203917
ISSN: 0001-4966
PURE UUID: 0f12dee0-97e5-42c7-81f9-23d2f6d5b5e1
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Date deposited: 22 Nov 2011 14:47
Last modified: 15 Mar 2024 02:46
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Author:
D.C. Finfer
Author:
Gim Hwa Chua
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