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Application of beam-forming techniques to measurements of acoustic scattering from the ocean

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Abstract
Signals from an explosive source backscattered from the seafloor and received at long range by
 
hydrophones of a towed array are processed to estimate the directional distribution of energy for a
 
given time increment. An assembly of these data shows the time and amplitude of scattering features,
 
and after conversion to distance, the geographic location of the return. A frequency-domain beamforming
 
procedure is used in which beam levels are averaged over a given band of a broad-band
 
source. The processing is applied to experimental data obtained in the southern Tyrrhenian Sea. The
 
major backscattering occurred at the Baconi Seamounts and the coastal margin of Sardinia.
 

URI
http://hdl.handle.net/20.500.12489/158

Report Number
SM-187

Source
In: IEEE Journal of Oceanic Engineering, Vol. OE-10, 3, July 1985.

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  • Technical Reports

Date
1986/10

Author(s)
Berkson, Jonathan M.
; 
Kloosterman, Hendrik J.
; 
Akal, Tuncay
; 
Berrou, Jean-Louis

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SM-187-UU.pdf (5.748Mb)

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