The accuracy of the primary frequency‐standard of the Bureau of Standards
作者:
Charles G. McIlwraith,
期刊:
Eos, Transactions American Geophysical Union
(WILEY Available online 1931)
卷期:
Volume 12,
issue 1
页码: 29-32
ISSN:0002-8606
年代: 1931
DOI:10.1029/TR012i001p00029
数据来源: WILEY
摘要:
The problem of maintaining a frequency‐standard resolves Itself into two main parts. First, we must have an oscillating system which maintains a frequency sufficiently steady so that its fluctuations are negligible in comparison with the errors of measurements made against it. Second, we must have some way of finding out how constant the frequency is, and what is its absolute valu
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