Using Modified Allan Variance for Time Series Analysis Z. Malkin 39 Abstract Allan Variance (AVAR) was introduced more than 40 years ago as an estimator of the stability of frequency standards. ... It was used to study station coordinates time series (Malkin and Voinov 2001; Le Bail and Feissel- Z. Malkin (*) Pulkovo Observatory, St. Petersburg, 196140, Russia e-mail: malkin@gao.spb.ru Vernier 2003; Le Bail 2006; Feissel-Vernier et al. 2007), radio source position stability (Feissel et al. ...
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