книги Наука, техника, медицина Техника Теоретические основы Теория упругости Теория машин и механизмов

Atomic clock

Код 3452183

  • ISBN: 978-5-5091-4542-1

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Аннотация к книге "Atomic clock"

High Quality Content by WIKIPEDIA articles! An atomic clock is a 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. 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.

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ISBN: 978-5-5091-4542-1

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