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transducer size

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  • Electro Magnetic Acoustic Transducer — An Electro Magnetic Acoustic Transducer (EMAT), is a non contact inspection device that generates an ultrasonic pulse in the part or sample inspected, instead of the transducer. The waves reflected by the sample induce a varying electric current… …   Wikipedia

  • размер активного элемента преобразователя — Геометрический размер активного элемента преобразователя. [BS EN 1330 4:2000. Non destructive testing Terminology Part 4: Terms used in ultrasonic testing] [Система неразрушающего контроля. Виды (методы) и технология неразрушающего контроля.… …   Справочник технического переводчика

  • эффективный размер активного элемента преобразователя — 1. Размер фактически функционирующей части активного элемента преобразователя, рассчитанный по измеренным значениям длины волны и протяженности ближней зоны или параметрам диаграммы направленности преобразователя. Обычно не превосходит… …   Справочник технического переводчика

  • Headphones — For other uses, see Headphones (disambiguation). Sennheiser HD555 headphones, used in audio production environments …   Wikipedia

  • Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …   Wikipedia

  • Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

  • 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

  • Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …   Wikipedia

  • Guitar — Infobox Instrument name=Guitar names= classification=String instrument (plucked, nylon stringed guitars usually played with fingerpicking, and steel , etc. usually with a pick.) range= (a regularly tuned guitar) related=*Bowed and plucked string… …   Wikipedia

  • Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …   Wikipedia

  • Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …   Wikipedia

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