- Source: DCL Technology Demonstrator programme
The US DCL (Detection Classification and Localisation) demonstrator program is aimed at proving that an active torpedo detection system is able to resolve a salvo of torpedoes with sufficient time and accuracy that an anti-torpedo torpedo may be fired back to hit and destroy the threat.
Overview
The DCL systems consist of an active source emitter which sends high-frequency pings into the water. Reflections from in-water objects are received by a towed array tuned to those frequencies. By processing the reflections it is possible to determine whether objects are torpedoes, or non-threat objects.
The system is also combined with a passive acoustic towed array specifically designed for torpedo detection. The passive acoustic array is able to analyse the structured sound emanating from a torpedo and thereby classify the weapon type and mode of operation.
Two teams were building alternative DCL demonstration systems, the first to test was Ultra Electronics who in 2006 successfully resolved a salvo of torpedoes. The second company was APC.
The aim of the programme is to resolve threats sufficiently well that an anti-torpedo torpedo may be fired at the threat to neutralise it (a hard-kill solution). This differs from the UK S2170 Surface Ship Torpedo Defence solution which utilises soft-kill.
See also
Torpedo defence
AN/SLQ-25 Nixie#Further development
SSTD
References
"Briefs" (2006) 12 Ocean News & Technology 36
"Ultra torpedo defence win" in "News in Brief" (2005) 110 Jane's Navy International 5
(2007) 111 Jane's Navy International 26
"Torpedo Defence" (2005) 38 Jane's International Defense Review 5
"US Navy invests in DCL" in "Briefs" (2004) 37 Jane's International Defense Review 30
"Torpedo Defense Demonstration" in "Business Byte". Signal. Volume 59. No 8. April 2005. p 77.
"Ultra Electronics wins $18M anti-torpedo contract". Boston Business Journal. 8 December 2004.
2007 Program Guide to the U.S. Navy. pp 109 and 110.
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