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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/).
Depth maps of the front view and right-side view, and an example of reconstruction signal: (a) 303 MHz, normal sampling; (b) 607 MHz, normal sampling; (c) 607 MHz, 10× sampling.