acoustic wave


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Related to acoustic wave: Bulk Acoustic Wave

acoustic wave

A pressure wave transmitted through a gas, liquid, or solid as a result of small displacements of the particles in the medium. The medium has elasticity and inertia; when set into motion it undergoes alternate compressions and rarefactions that travel through the medium with a speed characteristic of the medium.

acoustic wave

[ə′küs·tik ′wāv]
(acoustics)
An elastic nonelectromagnetic wave that has a frequency which may extend into the gigahertz range; one type is a surface acoustic wave, and the other type is a bulk or volume acoustic wave. Also known as elastic wave.
References in periodicals archive ?
Stimulated Brillouin scattering occurs when a beam of laser light generates a parametric process that simultaneously produces an exactly retroreflected Stokes beam and an acoustic wave traveling in the forward direction.
The inclusion of the central tube provides two distinct paths for the propagation of acoustic waves. This leads to acoustic wave cancellation and hence noise attenuation if there is a phase difference between the two propagating waves as they meet downstream.
Acoustic waves carry energy, momentum, angular momentum, and also physical information regarding the source and the medium through which they propagate.
To derive the equations describing the surface acoustic wave motion in a Cp-Lip1 SAW device, we again consider the equilibrium of a volume element.
Therefore, it is necessary to have a step to classify the last input acoustic wave before determining the input class to prevent these kinds of happenings.
In addition, graphene is promising to develop SAW sensors because of its planar 2D crystal structure and specific sensitivity with electric field and acoustic wave [7-12].
where [c.sub.0] is the propagation speed of acoustic wave. p is the sound pressure.
For the frequency band of 100-140 Hz, the maximum SPL reduction goes up when the horn length is increased from 5 cm to 60 cm, but then it descends slightly when the horn length is larger than 65 cm because of a decrease in the match of the configuration of the horn and the acoustic wave length.
Acoustic waves are extremely quick and long sound waves that sometimes reach hundreds of kilometers in length and propagate through the ocean at the speed of sound, picking up water, nutrients, and other particles as they go.
A device that cleans hospital rooms with acoustic waves. Electronics that help the visually impaired navigate without guide sticks.
The report covers the present scenario and the growth prospects of the global bulk acoustic wave (BAW) RF filter market for 2016-2020.