- frequency calibrator
- калибратор частоты
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
National Physical Laboratory of India — National Physical Laboratory Agency overview Formed January 4, 1947 Headquarters New Delhi Agency executive Prof RC Budhani, Director Parent agency Council of Scientific and Industrial Research … Wikipedia
Sound level meter — Type 1 Sound Level Meter (Shown: Svantek 979) Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
List of important publications in physics — Optics Book of Optics *Ibn al Haytham (Alhacen)Description: The Book of Optics (Arabic: Kitab al Manazir , Latin: De Aspectibus ) is a seven volume treatise on optics and physics, written by the Iraqi Arab Muslim scientist Ibn al Haytham… … Wikipedia
Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… … Wikipedia
National Physical Laboratory, India — The National Physical Laboratory of India, situated in New Delhi, is the measurement standards laboratory of India. It maintains of SI units in India and calibrates the national standards of weights and measures History of measurement systems in… … Wikipedia
ГОСТ Р МЭК 60942-2009: Калибраторы акустические. Технические требования и требования к испытаниям — Терминология ГОСТ Р МЭК 60942 2009: Калибраторы акустические. Технические требования и требования к испытаниям оригинал документа: 3.1 акустический калибратор (калибратор) (sound calibrator): Устройство, генерирующее синусоидальное звуковое… … Словарь-справочник терминов нормативно-технической документации
Space Electronics — LLC is a company based in Connecticut that specializes in mass properties measurement instruments.HistoryDick Boynton founded Space Electronics in 1959 while attending graduate courses at Yale University. The company existed in Dick s basement… … Wikipedia
Oboe (navigation) — Oboe was a British aerial blind bombing targeting system in World War II, based on radio transponder technology. Oboe accurately measured the distance to an aircraft, and gave the pilot guidance on whether or not they were flying along a pre… … Wikipedia