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Displaying 2926 - 2950 of 17262

A Clock Ensemble Using Only Active Hydrogen Masers

January 31, 2017
Author(s)
Thomas E. Parker, Stefania Romisch
… contain hydrogen masers and commercial cesium frequency standards. The cesium standards are much nosier in the short term than the hydrogen … performance of the scales. Nevertheless, the cesium standards are expensive to maintain and require attention …

A Standards-based Global Ocean Monitoring System

August 16, 2009
Author(s)
Eugene Song, Kang B. Lee
… This paper describes a standards-based global ocean monitoring system developed at the National Institute of Standards and Technology (NIST) with collaborating partners. … A Standards-based Global Ocean Monitoring System …
Displaying 2926 - 2950 of 17262
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