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Sound Navigation and Ranging (Sonar)

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Sound Navigation and Ranging (Sonar) - definition(s)

sonar - [remote sensing] Acronym for sound navigation and ranging. A system or device that measures the time lapse between emitting a sound and receiving a returned echo to determine the location, depth and SHAPE / Shape of objects under water. Certain types of sonar consist only of a listening device that picks up sound emitted by underwater objects, such as submarines.

[Category=Geospatial ]

Source: esri, 24 August 2012 08:09:44, External 

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