1. Time-frequency distributions-a review
2. 3Claasen, T.A.C.M. and Mecklenbrauker, W.F.G. “The Wigner distribution ‐ a tool for time‐frequency signal analysis ‐ Part I: Continuous‐time signals”,Philips J. Res., 1980, Vol. 35, pp. 217‐50.
3. 4Claasen, T.A.C.M. and Mecklenbrauker, W.F.G. “The Wigner distribution ‐ a tool for time‐frequency signal analysis ‐ Part II: Discrete‐time signals”,Philips J. Res., Vol. 5, 1980, pp. 276‐300.
4. 5Claasen, T.A.C.M. and Mecklenbrauker, W.F.G. “The Wigner distribution ‐ a tool for time‐frequency signal analysis ‐ Part III: Relations with other time‐frequency signal transforms”,Philips J. Res., Vol. 35, 1980, pp. 372‐89.
5. 8Gabor, D. “Theory of communication”,J. Inst. Elec. Eng., Vol. 93, 1946, pp. 429‐57.