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Hardware Realization of Generalized Time-Frequency Distribution with Complex-Lag Argument

Abstract

A hardware implementation of the N th order complex-lag time-frequency distribution is proposed. The considered distribution provides an arbitrary high concentration for multicomponent signals with fast varying instantaneous frequency. Although the distribution form is quite complex, the proposed realization is very efficient and provides high-speed real-time processing. Further, it allows avoiding miscalculation errors that may appear in the numerical calculation of signal with complex-lag argument. The results of FPGAs (Field Programmable Gate Arrays) implementation are presented as well.

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Correspondence to Nikola Žarić.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Žarić, N., Orović, I. & Stanković, S. Hardware Realization of Generalized Time-Frequency Distribution with Complex-Lag Argument. EURASIP J. Adv. Signal Process. 2009, 250794 (2010). https://doi.org/10.1155/2009/250794

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Keywords

  • Information Technology
  • Numerical Calculation
  • Quantum Information
  • Field Programmable Gate Array
  • Hardware Implementation