Polynomial Phase Estimation by Least Squares Phase Unwrapping

@article{McKilliam2011PolynomialPE,
  title={Polynomial Phase Estimation by Least Squares Phase Unwrapping},
  author={Robby G. McKilliam and I. Vaughan L. Clarkson and Barry G. Quinn and William Moran},
  journal={2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2011},
  pages={3592-3595}
}
Estimating the coefficients of a noisy polynomial phase signal is important in fields including radar, biology and radio communications. One approach attempts to perform polynomial regression on the phase of the signal. This is complicated by the fact that the phase is wrapped modulo 2π and must be unwrapped before regression can be performed. In this paper, we consider an estimator that performs phase unwrapping in a least squares manner. We call this the least squares unwrapping (LSU… CONTINUE READING
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