Enhancement of time-domain acoustic imaging based on generalized cross-correlation and spatial weighting
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- 作者：Nicolas Quaegebeur ; nicolas.quaegebeur@usherbrooke.ca" class="auth_mail" title="E-mail the corresponding author ; Thomas Padois ; Philippe-Aubert Gauthier ; Patrice Masson
- 关键词：Acoustic imaging ; Beamforming ; Array processing ; Generalized cross-correlation
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2016
- 出版时间：15 June 2016
- 年：2016
- 卷：75
- 期：Complete
- 页码：515-524
- 全文大小：2999 K
文摘
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An alternative formulation of the time-domain beamforming is proposed.
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Generalized Cross-Correlation (GCC) is used instead of Cross-Correlation operator.
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A spatial weighting function is introduced to sharpen the imaging result.
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Numerical and experimental validation is proposed for multiple sources localization.