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Discrete Fourier transform

Known as: Inverse discrete Fourier transform, Offset DFT, Centered DFT 
In mathematics, the discrete Fourier transform (DFT) converts a finite sequence of equally-spaced samples of a function into an equivalent-length… Expand
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Highly Cited
2000
Highly Cited
2000
We propose and consolidate a definition of the discrete fractional Fourier transform that generalizes the discrete Fourier… Expand
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Highly Cited
2000
Highly Cited
2000
  • X. Xia
  • IEEE Trans. Signal Process.
  • 2000
  • Corpus ID: 3016264
The discrete Fourier transform (DFT) has found tremendous applications in almost all fields, mainly because it can be used to… Expand
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Highly Cited
2000
Highly Cited
2000
The discrete fractional Fourier transform (DFRFT) is the generalization of discrete Fourier transform. Many types of DFRFT have… Expand
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Highly Cited
1998
Highly Cited
1998
We present an iterative nonparametric approach to spectral estimation that is particularly suitable for estimation of line… Expand
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Highly Cited
1995
Highly Cited
1995
Preface 1. Introduction. A Bit of History An Application Problems 2. The Discrete Fourier Transform (DFT). Introduction DFT… Expand
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Highly Cited
1984
Highly Cited
1984
In this paper, we present an algorithm to estimate a signal from its modified short-time Fourier transform (STFT). This algorithm… Expand
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Highly Cited
1983
Highly Cited
1983
  • T. Grandke
  • IEEE Transactions on Instrumentation and…
  • 1983
  • Corpus ID: 28086948
A new scheme is presented for the determination of the parameters that characterize a multifrequency signal. The essential… Expand
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Highly Cited
1981
Highly Cited
1981
An orthogonally multiplexed QAM (O-QAM) system is a multichannel system with a baud rate spacing between adjacent carrier… Expand
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Highly Cited
1971
Highly Cited
1971
The Fourier transform data communication system is a realization of frequency-division multiplexing (FDM) in which discrete… Expand
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Highly Cited
1970
Highly Cited
1970
It is shown in this paper that the discrete equivalent of a chirp filter is needed to implement the computation of the discrete… Expand
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