INSTALLATION FOR MEASURING MATRIX OF NON-RECIPROCAL BACKSCATTERING OF OBJECTS Russian patent published in 2022 - IPC G01R29/08 

Abstract RU 2783473 C1

FIELD: UHF equipment.

SUBSTANCE: installation for measuring a matrix of non-reciprocal backscattering relates to the field of UHF equipment. The invention can be used in measurement of backscattering of different objects, including non-reciprocal ones, at random angles of a polarization basis. The object under study is installed on a round rotating two-layer reflecting disc, an outer layer of which, facing an irradiating antenna, is made of dielectric, and a back layer is made of metal. Rotation of the disc, using a step engine, when controlled by computer, allows for change in an angular position of the object relatively to a signal polarization vector irradiated by a transmitting antenna, with high accuracy in the range of 0-360 degrees. At the same time, a component of an error rate because of rigid attachment of the object and accurate angular movement of the reflecting disc and the measurement object fixed on it, by means of the step electric engine, are close to zero, and an error rate of measurements is determined by a value of channel decoupling of a polarization divider, which can be more than 40 dB.

EFFECT: reduction in an error rate of measurement of coefficients of a full matrix of backscattering.

1 cl, 4 dwg

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RU 2 783 473 C1

Authors

Maliutin Nikolai Dmitrievich

Pozdniakov Vladislav

Trenkal Evgenii Igorevich

Dates

2022-11-14Published

2021-11-23Filed