Wigner-type a-b and time-frequency analysis based on conjugate operators


Franz Hlawatsch, Teresa Twaroch, and Helmut Bölcskei


Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Atlanta (GA), Vol. 3, pp. 1395-1398, May 1996.

DOI: 10.1109/ICASSP.1996.543921

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We 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.


Wigner distribution, conjugate operators, time-frequency representations

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