DFT matrix

Known as: Discrete Fourier transform matrix, Fourier coordinates 
In applied mathematics, a DFT matrix is an expression of a discrete Fourier transform (DFT) as a transformation matrix, which can be applied to a… (More)
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2016
2016
The reconstruction of a sparse signal from an undersampled set of linear measurements can be found in many engineering fields. In… (More)
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2011
2011
We introduce a new discrete fractional Fourier transform (DFrFT) based on only the DFT matrix and its powers. Eigenvectors of the… (More)
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2011
2011
We define the quadratic algebra su(2)α which is a one-parameter deformation of the Lie algebra su(2) extended by a parity… (More)
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2009
2009
A class of multiphase sequences with periodic odd-shift orthogonal properties is presented. The constructed sequences are based… (More)
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2008
2008
The generation of Hermite-Gaussian-like orthonormal eigenvectors of the discrete Fourier transform (DFT) matrix F is an essential… (More)
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Highly Cited
2007
Highly Cited
2007
We present an efficient algorithm for approximately maintaining and updating a distribution over permutations matching tracks to… (More)
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2005
2005
This study presents and proves a condition number theorem for super-resolution (SR). The SR condition number theorem provides the… (More)
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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… (More)
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Highly Cited
2000
Highly Cited
2000
We propose a systematic method for creating constellations of unitary space-time signals for multipleantenna communication links… (More)
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1997
1997
This paper is concerned with the definition of the discrete fractional Fourier transform (DFRFT). First, an eigendecomposition of… (More)
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