NDLI: ThêoH Bias-removal Method

Content Provider	IEEE Xplore Digital Library
Author	Howe, D.A. McGee-Taylor, J. Tassett, T.
Copyright Year	2006
Description	Author affiliation: Nat. Inst. of Stand. & Technol., Boulder, CO (Howe, D.A.; McGee-Taylor, J.; Tassett, T.)
Abstract	A version of Theol variance, called TheoBR variance (BR for "bias-removed" relative to the Allan variance), is constructed. This relative bias correction is applied over a range of the longest recommended Allan r values for a given data run. TheoH deviation ('H' to indicate a hybrid combination of TheoBR, and Allan deviations) is the Allan deviation in short term and switches to the TheoBR, deviation in long term. In the presence of non-integer-power-law and mixed noise types, the approach is as effective and less cumbersome than past approaches, and requires little, if any, a priori knowledge or human judgment of data being analyzed. The substantially gained properties of Theol at large r, to 50 % beyond the longest possible r using the Allan deviation alone, can be obtained without Allan bias. Long-term frequency stability can be obtained in essentially one-third less time. For example, a two-month stability can be obtained with three months of data, rather than the four months of data that are usually required for such a point
Starting Page	788
Ending Page	792
File Size	270131
Page Count	5
File Format	PDF
ISBN	1424400740
DOI	10.1109/FREQ.2006.275488
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stability Frequency estimation Statistics Clocks Frequency measurement Phase noise Optical noise NIST Switches Humans
Content Type	Text
Resource Type	Article

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