Application Specific Integrated Circuit Implementation of Discrete Fractional Fourier Transform
Keywords:
Discrete fractional fourier transform, ASIC, VHDL, eigen vector decomposition.Abstract
Over the last two decades, discrete fractional
Fourier transform (DFrFT), which is a generalization of the
discrete Fourier transform (DFT), has attracted a lot of
attention of the researchers. Several methods for computation
of the DFrFT have been discussed in the literature but very
little effort has been made towards realizing a dedicated
hardware for its real time computation. In this paper we
propose an application specific integrated circuit (ASIC) design
for 16-point DFrFT computation of a 1D signal, which has been
synthesized using Very High Speed Integrated Circuit
hardware description language (VHDL). The same design can
be easily extended for any number of signal samples. The
simulation results of the proposed ASIC are very close to the
theoretical DFrFT results obtained using the MATLAB
software.
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