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At-sea measurements of diver target strengths at 100 Khz: measurement technique and first results
(NURC, 2006/08)
During a recent at-sea trial of a diver detection system, the opportunity was taken of developing a technique for in-situ measurement of diver target strengths. The technique was based on making the diver perform circular ...
Security versus defence: dual use from a system requirement perspective
(NURC, 2008/09)
The developers of defence technologies in both industry and national laboratories carried their culture for military system development into the evolving security mission, even for systems that are to be used by civilian ...
The dynamics of information fusion: synthetic versus misassociation
(NURC, 2006/08)
Fusion entails both the association and synthesis of information. If missassociations occur, they obviously undermine the gains won by synthesis, compromising the fusion product. An analytic framework is presented here to ...
A comparative analysis of side-looking sonars for rapid classification of underwater intruders
(NURC, 2008/09)
One aspect of NURC's 2008 efforts in port protection involves building a prototype system for countering a subsurface threat. Such a capability against underwater intruders in ports requires surveillance of the underwater ...
Protection in ports: countering underwater intruders
(NURC, 2007/10)
The advance of new capability depends on many things: the state of the art in technology, the clarity of the mission and requirements, the knowledge of the threat, the means of response, and, for developers, the state of ...
Underwater intruder detection sonar for harbour protection: state of the art review and implications
(NURC, 2006/08)
Sonar is the sensor of choice for wide-area underwater surveillance because sonar (based on sound waves) typically provides a much larger area of coverage than radar (electromagnetic waves) or video (visible light) can ...