A new two-stage sharpened comb decimator

@article{JovanovicDolecek2005ANT,
  title={A new two-stage sharpened comb decimator},
  author={Gordana Jovanovic-Dolecek and Sanjit K. Mitra},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
  year={2005},
  volume={52},
  pages={1414-1420}
}
This paper presents a new sharpened comb decimator structure consisting of a cascade of a comb-filter based decimator and a sharpened comb decimator. The proposed realization scheme allows the sharpened section to operate at a lower rate that depends on the decimation factor of the first section. Using a polyphase decomposition, the subfilters of the first section can also be operated at this lower rate. 

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