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Discrete Polarization Modulators of Radar Signals

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Abstract

A method for the formation of unpolarized electromagnetic waves is considered. The analysis of the measurement error of the Stokes parameters of a scattered radio wave during external calibration of a radar polarimeter using unpolarized probing radio signals has been carried out. The design of a diode waveguide-planar shaper, which has a high switching speed (1 μs) when performing discrete polarization modulation of probing radio signals in the 3-cm range is described. The design of the switched waveguide modulator, which forms powerful unpolarized radar signals, is described. The operating characteristics of polarization modulators that are connected to a pulsed microwave generator with a peak power of 9 kW are given.

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  1. Surgut State University, 628400, Surgut, Khanty-Mansiiskiy autonomous district, Russia

    E. L. Shoshin

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  1. E. L. Shoshin
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Correspondence to E. L. Shoshin.

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Translated by A. Seferov

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Shoshin, E.L. Discrete Polarization Modulators of Radar Signals. Instrum Exp Tech 64, 812–818 (2021). https://doi.org/10.1134/S0020441221050225

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