@Article{hla_sigproc, author = {F. Hlawatsch and T. G. Manickam and R. L. Urbanke and W. Jones}, title = {Smoothed pseudo-{W}igner distribution, {C}hoi-{W}illiams distribution, and cone-kernel representation: {A}mbiguity-domain analysis and experimental comparison}, journal = {Signal Processing}, year = {1995}, month = {May}, volume = {43}, number = {2}, pages = {149--168} }