The article considers peculiarities of
underwater monitoring of moving objects in the shallow water
areas, particularly seaports. These
areas are characterized by a multitude of factors influencing the
efficiency of detection.
Nonstationarity conditions of sound propagation and specific interference
caused by shipping are the major
factors. The various algorithms for the space-time signal processing
have been tested and some experimental
results are presented. It has been shown that the use of
clipped mode in conjunction with the
correlation processing of wideband signals and subsequent
speckle tracking allow realizing high efficiency of
monitoring.
Author
(s) Details
Manel
Monteiro
ITS Ltd.,
Aberdeen, UK and International Tank Services (Asia Pacific) PTE Ltd., Singapore
City, Singapore.
Victor D.
Svet
JSC “N.
N. Andreyev Acoustical Institute”, Moscow, Russia.
Donald
Sandilands
ITS Ltd.,
Aberdeen, UK and International Tank Services (Asia Pacific) PTE Ltd., Singapore
City, Singapore.
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