Hopfield-Tank neural net: Walsh to Fourier transform

D. A. Karras, S. J. Varoufakis, G. E. Antoniou, G. B. Carayannis

Research output: Contribution to journalArticle

Abstract

A simple method for the computation of the Discrete Fourier Transform (DFT) from the Walsh Transform, using the Neural Network model of Hopfield and Tank, is presented. The proposed method circumvents the algorithmic complexity of the DFT. The computation time for the evaluation of the DFT coefficients depends upon a time constant which characterizes the neural network.

Original languageEnglish
Pages (from-to)37-41
Number of pages5
JournalNeurocomputing
Volume4
Issue number1-2
DOIs
StatePublished - 1 Jan 1992

Keywords

  • Fourier transform
  • Hopfield-Tank model
  • Neural networks
  • Walsh transform

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