Sentence examples for frequency standards from inspiring English sources

Senior Fellow Optical Frequency Standards and Metrology, National Physical Laboratory.

Rubidium atomic clocks, or frequency standards, have been constructed, but they are not as precise as cesium atomic clocks.

Hydrogen maser frequency standards are used to give a timing accuracy of only a few billionths of a second and a frequency stability of one part in a million billion.

The most severe stipulation for frequency standards is the requirement to continuously track the phase difference between the frequency standards of the satellite and the landers.

Recently they have been proposed as candidates for novel frequency standards.

A digital control application for the frequency stabilization of optical frequency standards is presented.

The higher frequency standard would be able to handle much more data.

Boulder is the site of the cesium clock (the official U.S. frequency standard) which metrologists claim to be the most accurate in the world.

Nuclear clock, frequency standard (not useful for ordinary timekeeping) based on the extremely sharp frequency of the gamma emission (electromagnetic radiation arising from radioactive decay) and absorption in certain atomic nuclei, such as iron-57, that exhibit the Mössbauer effect.

Thanks to this pioneering work, "NIST-F1", America's primary time and frequency standard at the National Institute of Standards and Technology in Boulder, Colorado, is accurate to one second in 20m years.Each GPS satellite carries four atomic clocks synchronised to a universal standard.

This system needs a stable frequency standard.