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Lung sound localization using array of acoustic sensors

Salehin, S.M.Akramus; Abhayapala, Thushara


This paper presents a localization algorithm to detect lung sounds using a circular array of microphones. We use the natural basis functions of propagation waves in height invariant wavefields to form a spatial minimum variance (MV) problem in eigen space. We also derive a Nyquist criteria for localizing sources within a circular region. This Nyquist criteria shows that the radius of the region where sources can be localized is inversely proportional to the frequency of sound. The modified...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Proceedings of International Conference on Signal Processing and Communication Systems (ICSPCS 2008)
DOI: 10.1109/ICSPCS.2008.4813703


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