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Distance measures and asymptotic relative efficiency

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1 Author(s)

The relationship between distance measures and asymptotic relative efficiency is discussed. It is shown that the ratio of the Bhattacharyya distance or J divergences of two test statistics is equivalent to asymptotic relative efficiency. Two-input systems are discussed as examples, and the performances of the polarity coincidence correlator (PCC) and the correlator are discussed in terms of the distance measures of reduced data.

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Information Theory, IEEE Transactions on  (Volume:16 ,  Issue: 3 )