acoustic elasticity

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• Acoustic Research — was a Cambridge, Massachusetts based company that manufactured high end audio equipment. The brand is now owned by Audiovox. Acoustic Research was well known for the AR 3 series of speaker systems, which used the 12 inch (305 mm) acoustic… …   Wikipedia

• Acoustic rheometer — employes piezo electric crystal that can easily launch a successive wave of extensions and contractions into the fluid. It applies an oscillating extensional stress to the system. System response can be interpreted in terms of extensional… …   Wikipedia

• acoustic reactance — noun opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component • Syn: ↑acoustic resistance, ↑acoustic impedance • Hypernyms: ↑resistance *… …   Useful english dictionary

• acoustic reactance — Acoustics. acoustic impedance caused by the inertia and elasticity of the transmitting medium. Also called reactance. * * * …   Universalium

• acoustic impedance — an expression of the opposition to passage of sound waves, such as through the middle ear, being a function of the density and elasticity of a substance …   Medical dictionary

• Linear elasticity — Continuum mechanics …   Wikipedia

• Surface acoustic wave — A surface acoustic wave (SAW) is an acoustic wave traveling along the surface of a material having some elasticity, with an amplitude that typically decays exponentially with the depth of the substrate. This kind of wave is commonly used in… …   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

• Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( …   Wikipedia

• wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …   Universalium

• Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …   Universalium