Applications of Frequency Standards
The atomic clock is the most precise instrument ever made by man, and it is natural to seek to use time or frequency as a basis for making other measurements. Consequently, a metrology based on time and frequency seems to be evolving. However, it is obvious that there are more fundamental reasons for this than the fact that clock technology has leaped forward in the last two decades.
KeywordsNuclear Quadrupole Resonance Frequency Standard Atomic Clock Hydrogen Maser Microwave Link
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