In this article we extend the definition of wavelet variance to wavelet packets. We also adapt to wavelet packets an iterated cumulative sum of squares algorithm for the location of variance change ...

Characteristic scale is a notion that pervades the geophysical sciences, but it has no widely accepted precise definition. Motivated by the facts that the wavelet transform decomposes a time series ...

It's a tough job to excavate trustworthy records about past temperatures from the palaeoclimate archives. The application of a fresh approach, in the form of wavelet analysis of the data, is a step ...