underwater acoustics

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• Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …   Wikipedia

• underwater acoustics — hidroakustika statusas T sritis fizika atitikmenys: angl. hydroacoustics; underwater acoustics vok. Hydroakustik, f; Unterwasserakustik, f rus. гидроакустика, f; подводная акустика, f pranc. acoustique sous marine, f; hydroacoustique, f …   Fizikos terminų žodynas

• Acoustics — is the interdisciplinary science that deals with the study of sound, ultrasound and infrasound (all mechanical waves in gases, liquids, and solids). A scientist who works in the field of acoustics is an acoustician. The application of acoustics… …   Wikipedia

• Underwater archaeology — is the study of past human life, behaviours and cultures using the physical remains found in salt or fresh water or buried beneath water logged sedimentMuckelroy, K., Maritime archaeology. Cambridge University Press 1978. ISBN 0 521 29348 0] . It …   Wikipedia

• Underwater — is a term describing the realm below the surface of water where the water exists in a natural feature (called a body of water) such as an ocean, sea, lake, pond, or river. Three quarters of the planet Earth is covered by water. A majority of the… …   Wikipedia

• Underwater acoustic communication — is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common is using hydrophones. Under water communication is difficult due to factors like multi path propagation, time… …   Wikipedia

• acoustics — /euh kooh stiks/, n. 1. (used with a sing. v.) Physics. the branch of physics that deals with sound and sound waves. 2. (used with a pl. v.) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or… …   Universalium

• Passive acoustics — is the action of listening for sounds, often at specific frequencies or for purposes of specific analyses. As applied to underwater acoustics, also termed hydroacoustics or SONAR, passive acoustics can be used to listen for underwater explosions …   Wikipedia

• Institute of Acoustics — The Institute of Acoustics (IOA) is a British professional engineering institution founded in 1974. It is licensed by the Engineering Council UK to assess candidates for inclusion on ECUK s Register of professional Engineers. The Institute s… …   Wikipedia

• Active acoustics — is a means of measuring the range to an object and its relative size by producing a pulse of sound and measuring the time it takes for an echo to return from the object and the amplitude of the returned echo. The range is calculated as a function …   Wikipedia

• Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia