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- W4206770142 abstract "This work is devoted to the study of phasing errors of a matrix simulator focused on several receiving points. Errors arising during signal calibration are considered. The phase error compensation procedure is designed for matrix simulators used to simulate echoes for a single receive antenna. It allows to align the phases of the simulator signals and eliminate simulation errors caused by phase errors. It is shown that this procedure does not allow to eliminate phasing errors simultaneously for several receiving antennas. The case of a two-antenna system and a matrix of two emitters is considered. For this case, a relation was obtained for calculating the phase correction, which minimizes the phasing error of the signals. Herewith the magnitude of the error depends on the magnitude of the random displacements of the emitters from the required positions. For a given emitter positioning accuracy, the worst case is investigated, which corresponds to the maximum phase error. Relationships are obtained to estimate this error. On the basis of these relations, the ways of its minimization are established. For a larger number of emitters, a relation is obtained for calculating the maximum possible phasing error. The results obtained can be extended to the case of a larger number of receiving antennas. In order to verify the theoretical results a matrix of two emitters was developed focused on two receiving points. A number of numerical experiments have been carried out, the results of which have confirmed the reliability of the obtained relationships. The results of this work are practically significant, since they determine the requirements for the configuration of the matrix simulator. They allow to determine whether the required phasing can be provided for a given matrix. They can be used in the development of matrix simulators of echo signals of multi-antenna radar systems." @default.
- W4206770142 created "2022-01-25" @default.
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- W4206770142 date "2021-01-01" @default.
- W4206770142 modified "2023-09-26" @default.
- W4206770142 title "Phasing errors of the matrix simulator of the echo signals of the multi-antenna radar system" @default.
- W4206770142 doi "https://doi.org/10.30898/1684-1719.2021.10.14" @default.
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