A function of time, frequency, lag, and Doppler

@article{ONeill1999AFO,
  title={A function of time, frequency, lag, and Doppler},
  author={J. C. O'Neill and W. J. Williams},
  journal={IEEE Trans. Signal Processing},
  year={1999},
  volume={47},
  pages={789-799}
}
In signal processing, four functions of one variable are commonly used. They are the signal in time, the spectrum, the auto-correlation function of the signal, and the auto-correlation function of the spectrum. The variables of these functions are denoted, respectively, as time, frequency, lag, and doppler. In time–frequency analysis, these functions of one variable are extended to quadratic functions of two variables. In this paper, we investigate a method for creating quartic functions of… CONTINUE READING
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