Estimating the modified Allan variance

Estimating the modified Allan variance
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估计修改后的艾伦方差

DOI:
10.1109/freq.1995.483920
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发表时间:
1995
期刊:
Proceedings of the 1995 IEEE International Frequency Control Symposium (49th Annual Symposium)
影响因子:
--
通讯作者:
C. Greenhall
C. Greenhall
中科院分区:
--
文献类型:
--
作者:
C. Greenhall

文献摘要

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修正Allan方差(MVAR)的第三差分方法导致一个易于处理的公式MVAR估计器的置信度,等效自由度(edf),在幂律相位噪声的存在下。估计步长对edf的影响列表。给出了edf的一个简单近似,并列出了其误差。给出了复合噪声过程中edf的保守估计定理。
The third-difference approach to modified Allan variance (MVAR) leads to a tractable formula for a measure of MVAR estimator confidence, the equivalent degrees of freedom (edf), in the presence of power-law phase noise. The effect of estimation stride on edf is tabulated. A simple approximation for edf is given, and its errors are tabulated. A theorem allowing conservative estimates of edf in the presence of compound noise processes is given.