Modified Gabor Wigner Transform for Crisp Time Frequency Representation. - Nabeel Ali Khan; M. Noman Jaffri; Syed Ismail Shah (ICSAP, 2009)

Instantaneous Frequency Estimation Using Fractional Fourier Transform and Wigner Distribution. - Nabeel Ali Khan; Imtiaz A. Taj; M. Noman Jaffri (ICSAP, 2010)

Cross-term elimination in Wigner distribution based on 2D signal processing techniques. - Nabeel Ali Khan; Imtiaz A. Taj; M. Noman Jaffri; Salman Ijaz 001 (Signal Process., 2011)