acoustic wave


Also found in: Dictionary, Thesaurus, Wikipedia.
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 ?
According to the company, the Surface Acoustic Wave (SAW) technology utilises a portable patch-based therapeutic device to facilitate soft tissue regeneration by producing ultrasound surface acoustic waves on the skin to increase local capillary perfusion and tissue oxygenation.
The discovery was surprising because the properties of gravity waves and acoustic waves differ greatly, in both length and time scales.
This means that it interacts with acoustic waves in two different ways.
In this report, the acoustic wave sensor for the European market has been broadly classified based on sensing parameters mainly temperature, humidity, torque, pressure, mass, viscosity, chemical vapor, and other minor influential factors as well.
By changing the frequency of the acoustic waves, researchers can easily alter the paths of the cells.
Never before have I seen results as dramatic as Acoustic Wave Therapy can offer.
Fundamentally, these acoustic wave chemical sensors are mass sensors.
The direct piezo effect, and its converse, namely, mechanical motion produced in response to a voltage, are the bases of operation of modern acoustic devices, such as the high stability bulk acoustic wave (BAW) quartz crystal resonator and surface acoustic wave (SAW) delay lines, resonators and signal processors on quartz, lithium niobate or lithium tantalate.
As of now, temperature, pressure, torque, and viscosity sensors are the only ones to have reached complete commercialization but we predict a healthy growth of the other sensors as well in future as more applications of acoustic wave sensors get realized in the years to come.
TEHRAN (FNA)- ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves.
Usually scientists use an external laser beam that bounces off the acoustic wave - much like radar speed detectors - to observe high frequency sound.