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An overview of multiple-window and quadratic-inverse spectrum estimation methods

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1 Author(s)
Thomson, D.J. ; AT&T Bell Labs., Murray Hill, NJ, USA

Presents examples, history, and a brief review of the theory of multiple-window and quadratic-inverse spectrum estimation methods for mixed harmonizable processes. In addition to the standard uses of making consistent non-parametric auto- and cross-spectrum estimates with jackknife confidence intervals and estimating periodic components in coloured noise, quadratic-inverse theory gives a time-frequency decomposition for stochastic processes. This leads to new estimates of both common and less-familiar functions such as the “time-derivative” of a spectrum

Published in:

Acoustics, Speech, and Signal Processing, 1994. ICASSP-94., 1994 IEEE International Conference on  (Volume:vi )

Date of Conference:

19-22 Apr 1994