Fibonacci spectral transforms: calculation, algorithms and circuit realizations

  • Authors:
  • Milena Stanković;Radomir S. Stanković;Jaakko Astola;Karen Egiazarian

  • Affiliations:
  • Department of Computer Science, Faculty of Electronics, 18 000 Nis, Yugoslavia;Department of Computer Science, Faculty of Electronics, 18 000 Nis, Yugoslavia;International Center for Signal Processing, Tampere University of Technology, Tampere, Finland;International Center for Signal Processing, Tampere University of Technology, Tampere, Finland

  • Venue:
  • Systems Analysis Modelling Simulation - Special issue: Digital signal processing and control
  • Year:
  • 2003

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Abstract

In this article, we define the Fibonacci decision diagrams (FibDDs) permitting representation of functions defined in a number of points different from N = 2n by decision diagrams consisting of nodes with two outgoing edges.We show the relationships between the FibDDs and the contracted Fibonacci codes and propose a procedure for calculation of the generalized Fibonacci transforms through FibDDs. This procedure permits calculation of the generalized Fibonacci spectra of functions defined in a number of points equal to a large generalized Fibonacci number. We use FibDDs to design architectures for realization of discrete functions and calculation of the generalized Fibonacci p-transforms. We also consider the circuit realizations of functions represented by FibDDs and the circuit realizations of Fibonacci spectral transforms.