sound ranging
acoustics
Learn about this topic in these articles:
artillery
- In artillery: Target acquisition
…enemy gun positions were adopted—sound ranging and flash spotting. In sound ranging, a number of microphones were used to detect the sound waves of a gun being fired; by measuring the time interval between the passing of sound waves across different microphones, it was possible to determine a number…
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marine applications
- In ultrasonics: Ranging and navigating
Ranging has also been used to map the bottom of the ocean, providing depth charts that are commonly used in navigation, particularly near coasts and in shallow waterways. Even small boats are now equipped with sonic ranging devices that determine and display the depth of…
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