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Mensaje: <blockquote data-quote="Gerwalk" data-source="post: 1219071" data-attributes="member: 7469">Ruido blanco y un colchón de burbujas que atenúa el ruido del diesel.de la wiki (si, ya sé, flor de fuente...):Prairie works via the same principles but is fitted either near to or on the ships propellors. The systems are designed to prevent classification/identification by radiated noise of the warship in question by acoustical analysis, i.e. by a hostile submarine. Instead of hearing machinery, the ship sounds similar to rain on <a href="http://en.wikipedia.org/wiki/Passive_sonar">passive sonar</a>. Originally classified, these systems are now used by several countries as part of their <a href="http://en.wikipedia.org/wiki/Anti-submarine_warfare">anti-submarine warfare</a> solutions.O sea: suena como lluvia.tsunami: no, no lo vas a encontrar en los TR ni en ningún otro sub moderno que recuerde</blockquote>