On the Form of the Likelihood Ratio for Two-Dimensional Random Fields.
NORTH CAROLINA UNIV CHAPEL HILL DEPT OF STATISTICS
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It is shown that the likelihood ratio detector of a random signal in white Gaussian noise, when both the signal and the noise are two-dimensional random fields, cannot be realized by an estimator matched-filter combination unless the signal is deterministic. This was conjectured in a recent paper where a recursive formula was derived for the likelihood ratio. Author
- Statistics and Probability