The Extended Fourier Transform for 2D Sp
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Geoffrey S. Armstrong; Vladimir A. Mandelshtam
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Article
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2001
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Elsevier Science
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English
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We present a linear algebraic method, named the eXtended Fourier Transform (XFT), for spectral estimation from truncated time signals. The method is a hybrid of the discrete Fourier transform (DFT) and the regularized resolvent transform (RRT) (J. Chen et al., J. Magn. Reson. 147, 129-137 (2000)). N