The polarity-coincidence correlator: A nonparametric detection device

  title={The polarity-coincidence correlator: A nonparametric detection device},
  author={Stephen S. Wolff and John B. Thomas and T. R. Williams},
  journal={IRE Trans. Information Theory},
It is shown that the polarity-coincidence correlator (PCC), a two-input detection device, is nonparametric in its falsealarm rate with respect to a wide class of signal and noise distributions. Operating in fixed distributions, the probability of detection is a nondecreasing function of input SNR. Although the PCC performs less well than an ordinary correlator or a Neyman-Pearson detector for Gaussian inputs, it can be markedly superior to both. 
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