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...and a transducer (usually but not always different) converts the reflected acoustic energy into an electronic signal that can be processed and displayed.

[[Diagnostic imaging]] using [[acoustic energy]], usually above the human hearing range, although the instruments may prov

...achieve their effects by means of non-ionizing electromagnetic radiation, acoustic energy or possibly charged particle beams

...buoys. These carry small explosive charges used as additional sources of acoustic energy.

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Nonlethal acoustic energy and noncoherent visible light weapons are being deployed as nonlethal weapo

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...the method known are covering the decks with rubberized tiles that absorb acoustic energy. The noisier parts of the propulsion system, such as reactor pumps and tur

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The technique physically involves sending [[acoustic energy]] from a [[transducer]], far above the human hearing range (1.6 to 20 MHz),

...by means of [[electromagnetic spectrum|electromagnetic]] or [[sound waves|acoustic energy]] transmitted through the body. Another, closely related specialty, [[nucle

...m lasers. Indeed, the basic principles are extended against weapons using acoustic energy, principally involving submarines and torpedoes.

This problem is distinct from biologic interference caused by acoustic energy generated by marine life, such as the squeaks of porpoises and other [[ceta ...er active sonobuoys, such as the AN/SSQ 110B, generate small explosions as acoustic energy sources.