what is sonar and how to its work
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sonar is simply making use of an echo.when animal or machine make a noise,it sends to sound wavein to environment surround it.Those wave bounce off near by objects and some of reflect back to the object that made the noise.
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sonar is used to find and identify objects in water. It is also used to determine water depth
performance of a sonar , relating the signal to noise ratio of a sonar to the source level of a transmitted or a radiated sound, the propagation loss and the background noise level. In one of its most basic.
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