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A general approach for obtaining joint representations in signal analysis. I. Characteristic function operator method

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1 Author(s)
Cohen, L. ; CAIP Center, Rutgers Univ., Piscataway, NJ, USA

A general approach for obtaining joint representations for arbitrary physical quantities is presented. The characteristic function operator method of Moyal (1949) and Ville (1960) and generalized by Cohen (1966, 1976) and Scully and Cohen (1987) for the time-frequency case is developed for arbitrary variables

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Signal Processing, IEEE Transactions on  (Volume:44 ,  Issue: 5 )