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. 2023 May 4;23(9):4481. doi: 10.3390/s23094481

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© 2023 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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$P_{s} (d_{i}, S F)$ and $P_{s 2 p a s s e s} (d_{i}, S F)$ for P_t = 6 dB, x = 5 m, and SF values of 7 and 10 as a function of the distance d_i of the sensors along the UAV path.