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Analysis of delay estimation improvement factors due to multiple measurements and A priori information

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2 Author(s)
Kirlin, R.L. ; University of Wyoming, Laramie, WY ; Gale, E.

Signals from distant sources produce intersensor delays in towed arrays which may have their measurement variances improved when all possible sensor-pair measurements and a priori knowledge of range are taken into account. Improvement factors are defined and plotted versus signal-to-noise ratio and versus number of sensors in the arrays. Clustered versus equally spaced sensors is another aspect investigated. Analytical results are obtained for three sensors.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:33 ,  Issue: 1 )