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. 2022 Jan 20;22(3):780. doi: 10.3390/s22030780

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© 2022 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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Example of directional interference due to edges reflections. $I S_{1}$ represents a coherent interference due to the edge reflection of the AS to be detected, whereas $I S_{2}$ represents an incoherent interference due to another acoustic source.