PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations · SCIENCE|natural and applied sciences|physical sciences
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- ga
- Atomuhr
- de
- Definition Uhr, deren Zeittakt aus der charakteristischen Frequenz von Strahlungsübergängen der Elektronen freier Atome abgeleitet wird Reference Wikipedia > Atomuhr, https://de.wikipedia.org/wiki/Atomuhr (20.1.2018)
- atomic clock
- en
- Definition clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element Reference 'Atomic clock'. Wikipedia, https://en.wikipedia.org/wiki/Atomic_clock [22.3.2017]
- Comment Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.'Atomic clock'. Wikipedia, https://en.wikipedia.org/wiki/Atomic_clock [22.3.2017]
- horloge atomique
- fr
- Definition horloge dont l'étalon de fréquence est un étalon atomique dans lequel un atome ou une molécule déterminé (hydrogène, césium, ammionac) subit une transition quantique déterminée. Cet étalon atomique asservit une horloge à quartz Reference CCIR Rap.737