Brunsdon, Chris and Baker, Andy
(2002)
Principal filter analysis for luminescence excitation-emission data.
Geophysical Research Letters, 29 (24).
p. 2156.
ISSN 0094-8276
Abstract
new method (termed Principal Filter Analysis (PFA))
for analysing large time series of luminescence excitation-
emission matrices (EEMs) is proposed, based on the idea of
identifying ‘filters’ that detect time periods where interesting
variations in the EEMs occur. A mathematical exposition of
the technique is supplied, followed by a discusion of how it
may be implemented in practice. The method is applied to
EEMs taken from a stalagmite in Crag Cave, W. Ireland
resulting in three distinct time periods of luminescence
properties being identified.
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