DocumentCode
2664757
Title
Update on a comparison of cesium fountain primary frequency standards
Author
Parker, Thomas E.
Author_Institution
Time & Freq. Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
fYear
2011
fDate
2-5 May 2011
Firstpage
1
Lastpage
4
Abstract
An update to a previous long term frequency comparison of cesium fountain primary frequency standards has been made. This update covers the approximate three year interval from March 2008 to March 2011 and also includes two new standards. Also, simulated data have been used to estimate the biases and standard deviation of the Birge ratio as a function of the degrees of freedom.
Keywords
caesium; frequency standards; Birge ratio; Cs; fountain primary frequency standards; Calculators; Frequency conversion; Laboratories; NIST; Time frequency analysis; Uncertainty;
fLanguage
English
Publisher
ieee
Conference_Titel
Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International
Conference_Location
San Fransisco, CA
ISSN
1075-6787
Print_ISBN
978-1-61284-111-3
Type
conf
DOI
10.1109/FCS.2011.5977749
Filename
5977749
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