Estimation of near-field parameters using spatial time-frequency distributions.

This work deals with the estimation of near-field parameters using passive sensor arrays. A transformation of the array data is proposed which allows the extraction of near-field time-frequency signatures from data containing a mixture of far- and near-field sources. Spatial time-frequency distribution matrices are then used as a means for solving the nearfield parameter estimation problem. The estimation accuracy of the proposed approach is compared to existing methods via simulation analysis. An experimental validation of theoretical ideas is also presented.

Main Author: Cirillo, Luke A.
Other Authors: Zoubir, Abdelhak M., Amin, Moeness G.
Language: English
Published: 2007
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:173297
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dc_source_str_mv Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Honolulu, HI, April 2007.
author Cirillo, Luke A.
author_s Cirillo, Luke A.
spellingShingle Cirillo, Luke A.
Estimation of near-field parameters using spatial time-frequency distributions.
author-letter Cirillo, Luke A.
author_sort_str Cirillo, Luke A.
author2 Zoubir, Abdelhak M.
Amin, Moeness G.
author2Str Zoubir, Abdelhak M.
Amin, Moeness G.
dc_title_str Estimation of near-field parameters using spatial time-frequency distributions.
title Estimation of near-field parameters using spatial time-frequency distributions.
title_short Estimation of near-field parameters using spatial time-frequency distributions.
title_full Estimation of near-field parameters using spatial time-frequency distributions.
title_fullStr Estimation of near-field parameters using spatial time-frequency distributions.
title_full_unstemmed Estimation of near-field parameters using spatial time-frequency distributions.
collection_title_sort_str estimation of near-field parameters using spatial time-frequency distributions.
title_sort estimation of near-field parameters using spatial time-frequency distributions.
description This work deals with the estimation of near-field parameters using passive sensor arrays. A transformation of the array data is proposed which allows the extraction of near-field time-frequency signatures from data containing a mixture of far- and near-field sources. Spatial time-frequency distribution matrices are then used as a means for solving the nearfield parameter estimation problem. The estimation accuracy of the proposed approach is compared to existing methods via simulation analysis. An experimental validation of theoretical ideas is also presented.
publishDate 2007
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dc.title Estimation of near-field parameters using spatial time-frequency distributions.
dc.creator Cirillo, Luke A.
Zoubir, Abdelhak M.
Amin, Moeness G.
dc.description This work deals with the estimation of near-field parameters using passive sensor arrays. A transformation of the array data is proposed which allows the extraction of near-field time-frequency signatures from data containing a mixture of far- and near-field sources. Spatial time-frequency distribution matrices are then used as a means for solving the nearfield parameter estimation problem. The estimation accuracy of the proposed approach is compared to existing methods via simulation analysis. An experimental validation of theoretical ideas is also presented.
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dc.source Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Honolulu, HI, April 2007.
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