Using the complex S-parameters of the transmitting and receiving antennas, which constitute a communication channel, we propose and study the method for recording of the scattering fields of the wideband antennas in the extremely-high and super-high frequency ranges in the near zone. This method allows one to rule out a contribution to the measured field characteristics from the component of scattering by the receiving antenna, which is related to its nonideal matching with the load. The subtraction of this component during the processing of experimental data obtained in the recording makes it possible to significantly clear the observed effects of the structural scattering of the antennas when studying their directional properties in the near zone. The subtraction algorithm can also be used to study the structure of the scattering fields of any object in the near zone.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 64, No. 4, pp. 287–299, April 2020. Russian DOI: 10.52452/00213462_2020_64_04_287
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Belov, Y.I., Varentsov, E.L. & Illarionov, I.A. On the Recording of the Scattering Fields of Antennas in Their Near Zone. Radiophys Quantum El 64, 260–271 (2021). https://doi.org/10.1007/s11141-021-10129-0
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DOI: https://doi.org/10.1007/s11141-021-10129-0