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On a spectral density estimate obtained by averaging periodograms

  • Rainer Dahlhaus (a1)


A spectral density statistic obtained by averaging periodograms over overlapping time intervals is considered where the periodograms are calculated using a data window. The asymptotic mean square error of this estimate for scale parameter windows is determined and, as an example, it is shown that the use of the Tukey–Hanning window leads partially to a smaller mean square error than a window suggested by Kolmogorov and Zhurbenko. Furthermore the Tukey–Hanning window is independent of the unknown spectral density, which is not the case for the Kolmogorov–Zhurbenko window. The mean square error of this estimate is also less than the mean square error of commonly used window estimates. Finally, a central limit theorem for the estimate is established.


Corresponding author

Postal address: Universität Essen, Fachbereich Mathematik, Postfach 103764, 4300 Essen 1, W. Germany.


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On a spectral density estimate obtained by averaging periodograms

  • Rainer Dahlhaus (a1)


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