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. 2021 Sep 5;21(17):5962. doi: 10.3390/s21175962

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Acoustic pressure field comparison. (a) Focus acoustic pressure field of self-programming under pure water; (b) focus acoustic pressure field of COMSOL under pure water; (c) acoustic axis pressure curves comparison under pure water; (d) focus regions comparison chart under pure water; (e) self-programming focus acoustic pressure field in the presence of an acrylic plate; (f) COMSOL focus acoustic pressure field in the presence of an acrylic plate; (g) acoustic axis pressure curves comparison chart in the presence of acrylic plate; (h) focus regions comparison in the presence of acrylic plate.