acoustic detection device
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Acoustic location — is the art and science of using sound to determine the distance and direction of something. Location can be done actively or passively, and can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the… … Wikipedia
Acoustic quieting — This article primarily discusses mechanical and acoustic noise. See Noise reduction for electronic noise. : For noise masking by saturation, see Sound masking or pink noise.Acoustic quieting is the process of making machinery quieter by damping… … Wikipedia
Acoustic microscopy — Introduction = Acoustic microscopes employ very high or ultra high frequency ultrasound. These microscopes operate nondestructively and penetrate most solid materials to make visible images of internal features, including defects such as cracks,… … Wikipedia
Acoustic mirror — Sound mirrors redirects here. For the album by Coldcut, see Sound Mirrors. An acoustic mirror is a passive device used to reflect and perhaps to focus (concentrate) sound waves. Overview Prior to World War II and the invention of radar, acoustic… … Wikipedia
Scanning acoustic microscope — A Scanning Acoustic Microscope (SAM) is a device which uses focused sound to investigate, measure, or image an object (a process called Scanning Acoustic Tomography). It is commonly used in failure analysis and non destructive evaluation. It also … Wikipedia
Jimmy Launders — Infobox Military Person name=James Jimmy Stuart Launders lived= caption= nickname=Jimmy placeofbirth= placeofdeath= allegiance= United Kingdom branch= Royal Navy serviceyears=24 rank=Commander unit= commands=HMS Venturer battles=World War II… … Wikipedia
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
Bubble fusion — Bubble fusion, also known as sonofusion, is the non technical name for a nuclear fusion reaction hypothesized to occur during sonoluminescence, an extreme form of acoustic cavitation. Officially, this reaction is termed acoustic inertial… … Wikipedia
Stethoscope — Modern stethoscope. The stethoscope (from Greek στηθοσκόπιο, from στήθος, stéthos chest and σκοπή, skopé examination) is an acoustic medical device for auscultation, or listening to the internal sounds of an animal body. It is often used to… … Wikipedia
Special reconnaissance — This article is a subset article under Human Intelligence. For a complete hierarchical list of articles, see the intelligence cycle management hierarchy. Special Reconnaissance (SR) is conducted by small units of highly trained military personnel … Wikipedia
Demining — Colombian soldier minesweeping. Demining or mine clearance is the process of removing either land mines, or naval mines, from an area, while minesweeping describes the act of detecting of mines. There are two distinct types of mine detection and… … Wikipedia
