Transducer — A transducer is a device, usually electrical, electronic, electro mechanical, electromagnetic, photonic, or photovoltaic that converts one type of energy or physical attribute to another for various purposes including measurement or information… … Wikipedia
Laser Doppler Vibrometer — A Laser Doppler Vibrometer (LDV) is a scientific instrument that is used to make non contact vibration measurements of a surface. The laser beam from the LDV is directed at the surface of interest, and the vibration amplitude and frequency are… … Wikipedia
оптический (лазерный) преобразователь — Преобразователь, использующий лазеры для излучения и (или) приема упругих волн. [Система неразрушающего контроля. Виды (методы) и технология неразрушающего контроля. Термины и определения (справочное пособие). Москва 2003 г.] Тематики виды… … Справочник технического переводчика
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
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
Photoacoustic imaging in biomedicine — Photoacoustic imaging, as a hybrid biomedical imaging modality, is developed based on the photoacoustic effect. In photoacoustic imaging, non ionizing laser pulses are delivered into biological tissues (when radio frequency pulses are used, the… … 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
The Girl from Tomorrow — Infobox Television show name = The Girl from Tomorrow format = sci fi/time travel runtime = 24 minutes creator = Mark Shirrefs John Thomson director = Kathy Mueller developer = executive producer = starring = Katharine Cullen Melissa Marshall… … Wikipedia
Acoustic microscopy — Introduction = Acoustic microscopes employ very high or ultra high frequency ultrasound. These microscopes operate nondestructively and penetrate most solid materials to make visible images of internal features, including defects such as cracks,… … 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
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