Adaptive comb filtering for harmonic signal enhancement

@article{Nehorai1986AdaptiveCF,
  title={Adaptive comb filtering for harmonic signal enhancement},
  author={Arye Nehorai and Boaz Porat},
  journal={IEEE Trans. Acoustics, Speech, and Signal Processing},
  year={1986},
  volume={34},
  pages={1124-1138}
}
A new algorithm is presented for adaptive comb filtering and parametric spectral estimation of harmonic signals with additive white noise. The algorithm is composed of two cascaded parts. The first estimates the fundamental frequency and enhances the harmonic component in the input, and the second estimates the harmonic amplitudes and phases. Performance analysis provides new results for the asymptotic Cramer-Rao bound (CRB) on the parameters of harmonic signals with additive white noise… CONTINUE READING
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The optimum comb method of pitch period analysis of continuous digitized speech

L. D. Braida
IEEE Trans . Acoust . , Speech , Signal Processing • 1974

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