Theo A. C. M. Claasen, Wolfgang F. G. Mecklenbräuker. Time-frequency signal analysis by means of the Wigner distribution. In IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '81, Atlanta, Georgia, USA, March 30 - April 1, 1981. pages 69-72, IEEE, 1981. [doi]
Abstract is missing.