Adaptive subsample delay estimator using windowed correlation

Maskell, Douglas L., and Woods, Graham S. (2004) Adaptive subsample delay estimator using windowed correlation. In: Proceedings of Analog and Digital Techniques in Electrical Engineering TENCON 2004 Region 10 Conference (1), pp. 467-470. From: Analog and Digital Techniques in Electrical Engineering TENCON 2004 Region 10 Conference, 21-24 November 2004, Chiang Mai, Thailand.

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Abstract

An on-line delay estimation algorithm based upon the windowed average magnitude difference function (AMDF) that is suitable for determining the subsample delay between two noisy signals is introduced. The new estimator uses the AMDF to directly update the delay estimate, which is in turn used to adapt the coefficients of a fractional delay filter (FDF). The new estimator consists predominately of addition and subtraction operations and outperforms conventional FDF based estimators in low signal to noise situation.

Item ID: 14774
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: delay; phase measurement; signal measurement
ISBN: 978-0-7803-8560-3
Date Deposited: 19 Nov 2010 00:59
FoR Codes: 08 INFORMATION AND COMPUTING SCIENCES > 0899 Other Information and Computing Sciences > 089999 Information and Computing Sciences not elsewhere classified @ 50%
09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified @ 50%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8902 Computer Software and Services > 890205 Information Processing Services (incl. Data Entry and Capture) @ 100%
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