Frequency domain coding

  • A. D. Houghton

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.

Keywords

Expense Convolution Sine Glean 

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Copyright information

© A.D. Houghton 1997

Authors and Affiliations

  • A. D. Houghton
    • 1
  1. 1.Department of Electronic and Electrical EngineeringThe University of SheffieldSheffieldUK

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