ülitäpne kell, mis kasutab aja mõõtmiseks kvantsüsteemides toimuvaid püsiva sagedusega elektromagnetvõnkumisi
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
Good to know
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.
During the last decades atomic clocks and frequency standards have become an important resource for advanced economies with impact ranging from satellite navigation (GPS, GLONASS, Galileo) to high speed communication networks, where they ensure synchronisation of data packets at ever higher bit rates.
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