Sonar/Definition

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< Sonar
Revision as of 19:33, 1 July 2008 by imported>Howard C. Berkowitz (New page: <noinclude>{{Subpages}}</noinclude> A contraction of sound detection and ranging, formally includes the active mode in which a pulse goes out and a receiver measures the echo. Also include...)
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A definition or brief description of Sonar.

A contraction of sound detection and ranging, formally includes the active mode in which a pulse goes out and a receiver measures the echo. Also includes hydrophones or passive, listen-only systems.