Abstract
Orthogonally linearly polarized radio-beacon signals are emitted simultaneously from two spatially separated points in the horizontal plane to determine the bearing and roll angles. The resulting vector signals from the radio beacon are received by a receiving antenna on board an aircraft. The antenna irradiator is equipped with a polarizing modulator in the form of a ferrite rotator of the polarization plane. The bearing and roll angles are estimated at the receiver output at a frequency that is a multiple of the polarization-modulation frequency of the received beacon signals. The layout of the apparatus that performs this method is described. The results of measuring the navigation elements are presented. The mean square errors of the bearing and roll angle measurements were 0.48° and 0.35°, respectively.
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Funding
This study was supported by the Ministry of Science and Education of the Russian Federation, project no. FEWM-2020-0039, March 1, 2020.
This study was performed using the equipment of the Impuls Center of the Shared Use (the project was supported by the Ministry of Science and Education of the Russian Federation no. 075-15-2019-1644, ID RFMEFI62119X002).
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Translated by A. Seferov
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Gulko, V.L., Mescheryakov, A.A. A Method for Determining the Bearing and Roll Angles of an Aircraft by an Orthogonally Linearly Polarized Beacon Signal. Instrum Exp Tech 63, 822–829 (2020). https://doi.org/10.1134/S0020441220060068
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DOI: https://doi.org/10.1134/S0020441220060068