W J Riley 2008 Metrologia 45 S154 doi:10.1088/0026-1394/45/6/S21
W J Riley
Show affiliationsThe detection of jumps in a frequency record is a challenging problem by either visual or mathematical means. The former takes considerable experience and judgment, and is therefore quite subjective, but has the advantage of providing insight into device behaviour. The latter is more impartial and consistent, and can be automated. In combination, mathematical jump detection can be applied for automatic clock testing and monitoring. If a jump is detected, the record can then be inspected visually before deciding on the action required. This paper describes frequency jump detection algorithms that are included in a program for frequency stability analysis.
Issue 6 (December 2008)
Received 19 June 2008, in final form 11 September 2008
Published 5 December 2008
W J Riley 2008 Metrologia 45 S154
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