NDLI: Methods for predicting the sensitivity of matched field processors to replica mismatch

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Proceedings of the Seventh Workshop on Multidimensional Signal Processing

Sixth Multidimensional Signal Processing Workshop,

Sixth Multidimensional Signal Processing Workshop (Cat. No.89TH0290-7)

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Methods for predicting the sensitivity of matched field processors to replica mismatch

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Methods for predicting the sensitivity of matched field processors to replica mismatch

Content Provider	IEEE Xplore Digital Library
Author	Gingras, D.F.
Copyright Year	1989
Description	Author affiliation: US Naval Ocean Syst. Center, San Diego, CA, USA (Gingras, D.F.)
Abstract	Summary form only given, as follows. Most array processing schemes rely on the use of a signal replica correlated with the observations to detect and localize targets of interest. Matched field processors make use of signal replicas that are accurately tuned to available environmental knowledge. When knowledge about the array system, such as sensor positions, or environmental parameters, such as sound speed, which are used to form the matched field signal replica, is imprecise, this causes a mismatch between the replica and the actual signal and the performance of the processor may be seriously degraded. Analytic methods for predicting the sensitivity of matched field processors to replica mismatch are developed. Bounds on the overall effect of mismatch are also developed. The use of these methods is illustrated through discussion of an example. Matched-field array processing methods can, in many situations, significantly improve target detection and localization performance. This work provides one of the only analytical tools that can be used to assess the performance of such processors in the context of real-world system limitations.
File Size	46846
File Format	PDF
DOI	10.1109/MDSP.1989.97041
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-09-06
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal processing Sensor arrays Array signal processing Oceans Sensor systems Acoustic sensors Degradation Object detection Performance analysis
Content Type	Text
Resource Type	Article

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