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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 (http://creativecommons.org/licenses/by/4.0/).
The positioning results of the UKF and the adaptive UKF ( m2). (a) The difference between the true value and the calculation value; (b) The statistical RMS-x and RMS-y of 200 simulations.