Wavelets and Signal Processing
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In this chapter, more modern notions relevant to signal processing are introduced. The Fourier series of Chap. 4 and Fourier transform of Chap. 6 are taken to the next step, the idea being to use the power of transforming from time to frequency in order to analyse what are in effect complicated functions of time called time series. We shall only give an introduction to signal processing as there are very large tomes devoted to the subject.