Title :
Bias in the cross spectrum and time delay estimates due to misalignment
Author :
Holm, Sverre ; Ottesen, Georg
Author_Institution :
Informasjonskontroll, Asker, Norway.
fDate :
12/1/1986 12:00:00 AM
Abstract :
The effect of misalignment in the weighted, overlapped segment averaging method used for estimating time delay is investigated. With nonwhite input, it is shown that the phase of the cross spectrum and the location of the peak in the cross correlator are biased.
Keywords :
Correlators; Covariance matrix; Delay effects; Delay estimation; Gaussian processes; H infinity control; Maximum likelihood estimation; Notice of Violation; Signal processing; Speech processing;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
DOI :
10.1109/TASSP.1986.1164970
