Abstract
Finite fields are amenable to Fourier transform-like operations which move the data through orthogonal domains in a very similar manner to which the Fourier transform provides a doorway between time and frequency. Just as the Fourier transform extracts pure sine waves from time domain data, the equivalent operation on a finite field extracts features from the time domain data and makes them visible to the observer, although these features are not of course sine waves.
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© 1997 A.D. Houghton
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Houghton, A.D. (1997). Frequency domain coding. In: The Engineer’s Error Coding Handbook. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0447-0_8
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DOI: https://doi.org/10.1007/978-1-4613-0447-0_8
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-412-79070-6
Online ISBN: 978-1-4613-0447-0
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