Wigner-type a-b and time-frequency analysis based on conjugate operators
AuthorsFranz Hlawatsch, Teresa Twaroch, and Helmut Bölcskei
ReferenceProc. of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Atlanta (GA), Vol. 3, pp. 1395-1398, May 1996.
AbstractWe extend the Wigner distribution (WD) to conjugate unitary operators A_alpha and B_beta. The resulting "AB-WD'' is defined both as an a-b representation and as a time-frequency representation. Important properties and relations of the WD are generalized to the AB-WD.
KeywordsWigner distribution, conjugate operators, time-frequency representations
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