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Gabor–Wigner transform

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The Gabor transform, named after Dennis Gabor, and the Wigner distribution function, named after Eugene Wigner, are both tools for time-frequency analysis. Since the Gabor transform does not have high clarity, and the Wigner distribution function has a cross term problem[2], a 2007 study by S. C. Pei and J. J. Ding proposed a new combination of the two transforms that has high clarity and no cross term problem.[2]Since the cross term does not appear in the Gabor transform, the time frequency distribution of the Gabor transform can be used as a filter to filter out the cross term in the output of the Wigner distribution function.

Wikipedia Inglés http://en.wikipedia.org/wiki/Gabor?Wigner_transform

Wikipedia Español http://es.wikipedia.org/wiki/Gabor?Wigner_transform