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Estimating Echo Times
E. J. Hannan and P. J. Thomson
Vol. 16, No. 1 (Feb., 1974), pp. 77-84
Published by: Taylor & Francis, Ltd. on behalf of American Statistical Association and American Society for Quality
Stable URL: http://www.jstor.org/stable/1267495
Page Count: 8
You can always find the topics here!Topics: Signals, Maximum likelihood estimation, Standard deviation, Spectral bands, Statistical estimation, Covariance, Maximum likelihood estimators, Estimation methods, Time series, Signal reflection
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This paper establishes a procedure for estimating the various spectral parameters in an echo type situation where both the signal is received as well as lagged and attenuated forms of the signal. The lag parameters are assumed frequency dependent and the basic assumption made is that these lags are sufficiently large to cause significant variation in the spectrum over the narrow band of frequencies considered. The asymptotic properties of the estimates of these parameters are established and some simulations and an analysis of real data are considered.
Technometrics © 1974 American Statistical Association