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Minimum-variance time-frequency distribution kernels

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2 Author(s)
Hearon, S.B. ; Dept. of Electr. & Comput. Eng., Villanova Univ., PA, USA ; Amin, M.G.

When dealing with random processes, reduced spectrum estimate variance becomes an important property that augments the list of desirable time-frequency (t-f) distribution properties. In this correspondence, we derive the t-f kernel that satisfies the t-f constraints and provides the minimum variance for the power spectrum estimate for Gaussian white noise processes

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Signal Processing, IEEE Transactions on  (Volume:43 ,  Issue: 5 )