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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2020.3045936
|2 doi
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|a pubmed24n1303.xml
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|a (NLM)33338016
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|a eng
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|a Mozaffarzadeh, Moein
|e verfasserin
|4 aut
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|a Erratum
|b Lamb Waves and Adaptive Beamforming for Aberration Correction in Medical Ultrasound Imaging
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 22.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a In our paper titled "Lamb Waves and Adaptive Beamforming for Aberration Correction in Medical Ultrasound Imaging" [1], we mentioned that the superposition of the different symmetric (S) modes in the frequency-wavenumber (f-k) domain results in a high intensity region where its slope corresponds to the longitudinal wave speed in the slab. However, we have recently understood that this high intensity region belongs to the propagation of a wave called lateral wave or head wave [2-5]. It is generated if the longitudinal sound speed of the aberrator (i.e. the PVC slab) is larger than that of water and if the incident wavefront is curved. When the incidence angle at the interface between water and PVC is near the critical angle, the refracted wave in PVC re-radiates a small part of its energy into the fluid (i.e. the head wave). As discussed in [4], if the thickness of the waveguide is larger than the wavelength, the first arriving signal is the head wave. This is also the case in our study [1] where the ultrasound wavelength of a compressional wave in PVC was close to 1 mm, and a PVC slab with a thickness of 8 mm was used
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|a Journal Article
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1 |
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|a Minonzio, Claudio
|e verfasserin
|4 aut
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1 |
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|a De Jong, Nico
|e verfasserin
|4 aut
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1 |
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|a Verweij, Martin D
|e verfasserin
|4 aut
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|a Hemm, Simone
|e verfasserin
|4 aut
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|a Renaud, Guillaume
|e verfasserin
|4 aut
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|a Daeichin, Verya
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g PP(2020) vom: 18. Dez.
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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|g volume:PP
|g year:2020
|g day:18
|g month:12
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|u http://dx.doi.org/10.1109/TUFFC.2020.3045936
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