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A data mining algorithm for automated characterisation of fluctuations in multichannel timeseries

Pretty, David; Blackwell, Boyd

Description

We present a data mining technique for the analysis of multichannel oscillatory timeseries data and show an application using poloidal arrays of magnetic sensors installed in the H-1 heliac. The procedure is highly automated, and scales well to large datasets. The timeseries data is split into short time segments to provide time resolution, and each segment is represented by a singular value decomposition (SVD). By comparing power spectra of the temporal singular vectors, related singular...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/19974
Source: Computer Physics Communications
DOI: 10.1016/j.cpc.2009.05.003

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