- acoustic coupling
- акустическая связь
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
acoustic coupling
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Coupling (electronics) — In electronics and telecommunication, coupling is the desirable or undesirable transfer of energy from one medium, such as a metallic wire or an optical fiber, to another medium, including fortuitous transfer. Coupling is also the transfer of… … Wikipedia
Acoustic coupler — In telecommunications, the term acoustic coupler has the following meanings: # An interface device for coupling electrical signals by acoustical means usually into and out of a telephone instrument. # A terminal device used to link data terminals … Wikipedia
Acoustic suspension — The acoustic suspension woofer is a type of loudspeaker that reduces bass distortion caused by non linear, stiff mechanical suspensions in conventional loudspeakers. It was invented in 1954 by Edgar Villchur, and brought to commercial production… … Wikipedia
acoustic coupler — noun a) An interface device for coupling electrical signals by acoustical means usually into and out of a telephone instrument. b) A terminal device used to link data terminals and radio sets with the telephone network … Wiktionary
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
Electromechanical coupling coefficient — is a numerical measure of the conversion efficiency between electrical and acoustic energy in piezoelectric materials.Qualitatively the electromechancial coupling coefficent, k, can be determined as:: mathcal{K}^{ 2} = frac{1}{mbox{ energy… … Wikipedia
Echo cancellation — The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone call. In addition to improving subjective quality, this process increases the… … Wikipedia
Tweeter — A tweeter is a loudspeaker designed to produce high frequencies, typically from around 2,000 hertz to 20,000 hertz (20,000 Hz, generally considered to be the upper limit of the human hearing). A few tweeters can manage response up to an octave or … Wikipedia
Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response … Wikipedia
Non-Contact Ultrasound — (NCU) is a method of non destructive testing where ultrasound is generated and used to test materials without the generating sensor making direct or indirect contact with the test material or test subject. Historically this has been difficult to… … Wikipedia
Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… … Wikipedia
