ultrasonic

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ultrasonic

of, concerned with, or producing waves with the same nature as sound waves but frequencies above audio frequencies

ultrasonic

[¦əl·trə′sän·ik]
(acoustics)
Pertaining to signals, equipment, or phenomena involving frequencies just above the range of human hearing, hence above about 20,000 hertz. Also known as supersonic (deprecated usage).

ultrasonic

Ultrasonic refers to sound that is beyond the audible hearing range; typically above 20 kHz (20,000 Hz). In medicine, ultrasound machines emit ultrasonic waves that echo back an image of a fetus or internal organ. They are also used to administer therapy to various parts of the body. Contrast with infrasonic. See ultrasonic welding and saser.
References in periodicals archive ?
A new ultrasonic probe designed for detecting hidden cracks, corrosion, and delamination in the skin structures of aging aircraft has been developed by engineers at Pennsylvania State University in University Park, Pa.
A third measured the size of the seal's spleen by passing an ultrasonic probe over the animal's body,
Another approach to put the ultrasonic probe in contact with the stone is through the urethra, bladder and up the ureter into the kidney.
The most significant influence has the frequency bandwidth of the used ultrasonic probe, hereby factor bandwidth.
The maximum output power and frequency of the ultrasonic probe are 360 W and 15 kHz, respectively.
Ultrasonic probe systems designed for use in continuous applications (fabric/film welding), automated assembly systems when welding either large parts, multiple simultaneous welds, or welds at unusual angles.
The ultrasonic probe can be placed on the animal's back--the part used in rib-eye steak--to see how lean and muscular the animal is, as well as how much marbling it has.
Operation of this handheld gauge is simple: the operator places an ultrasonic probe on the casting and enters its known thickness during the calibration process.
best known for its ultrasonic probe and electronics expertise, and ABB NDE Products, best known for its AMDATA ultrasonic imaging systems and scanners, have joined forces in the production and marketing of ultrasonic imaging systems.
Though we're now evaluating the method on steam turbine bearings," says Armor, "I don't see a limitation to this method in terms of wear, so long as you have adequate access to put in the ultrasonic probe.

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