frequency standard in Vietnamese
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Sentence patterns related to "frequency standard"
1. The atomic hydrogen maser is the most stable frequency standard allshortest measuring time interval.
2. The atomic hydrogen maser is the most stable frequency standard generally available today for all but the shortest measuring time interval.
3. The Caesium standard is a primary frequency standard in which the photon absorption by transitions between the two hyperfine ground states of Caesium-133 atoms are used to control the output frequency
4. An Atomic clock is a clock whose timekeeping mechanism is based on the interaction of electromagnetic radiation with the excited states of certain atoms.Specifically, either a hyperfine transition in the microwave, or electron transition in the optical or ultraviolet region of the emission spectrum of an atom is used as a frequency standard for the timekeeping element.