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Robust Direction Estimation from Hydroacoustic Array Data
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1993 (English)In: Hydroakustik 93, 1993Conference paper, Published paper (Refereed)
Abstract [en]

In hydro-acoustic array signal processing we are often concerned with accurate determination of signal parameters from array measurements. To obtain accurate direction estimates, knowledge of the array response is required. Most estimation techniques are sensitive to errors in the array response model. Thus, reliable array calibration schemes are of great importance. In practice, calibration is done by measuring the array response when only one emitter is present and the signal parameters of which are allowed to vary in a known way. Herein, methods for generating an array model from noise corrupted calibration vectors is developed. The performance of the technique is examined on data collected from a full-scale hydro-acoustic array.

Place, publisher, year, edition, pages
1993.
Keyword [en]
estimation techniques, hydro-acoustic array, noise corrupted calibration vectors, array calibration schemes
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-92594OAI: oai:DiVA.org:kth-92594DiVA: diva2:513866
Conference
Hydroakustik 93, Stockholm, Sweden
Note
NR 20140805Available from: 2012-04-03 Created: 2012-04-03 Last updated: 2012-04-03Bibliographically approved

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Ottersten, Björn

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