Searching for Signal in Noise by Random‐Lag Singular Spectrum Analysis
Open Access
- 1 December 1999
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 526 (2) , 1052-1061
- https://doi.org/10.1086/308028
Abstract
Singular spectrum analysis, a technique to detect oscillations in short and noisy time series, was first developed for geophysical applications. This work offers a generalization for long and noisy time series in astrophysical applications. The motivating problem is the detection of low-amplitude solar oscillations.Keywords
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