Discrete time and frequency Wigner-Ville distribution: Moyal's formula and aliasing

@article{ChassandeMottin2005DiscreteTA,
  title={Discrete time and frequency Wigner-Ville distribution: Moyal's formula and aliasing},
  author={E. Chassande-Mottin and A. Pai},
  journal={IEEE Signal Processing Letters},
  year={2005},
  volume={12},
  pages={508-511}
}
In this letter, we propose a new definition of the discrete time and frequency Wigner-Ville distribution. The proposed distribution not only displays a readable representation (small aliasing) but also exhibits unitarity and is easy to compute. We compare the time-frequency representation associated with this proposed definition with other existing ones. 
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