On the Recording of the Scattering Fields of Antennas in Their Near Zone

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 all...

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Bibliographic Details
Published in:Radiophysics and quantum electronics 2021-09, Vol.64 (4), p.260-271
Main Authors: Belov, Yu. I., Varentsov, E. L., Illarionov, I. A.
Format: Article
Language:English
Subjects:
Algorithms
Antennas
Antennas (Electronics)
Astronomy
Astrophysics and Astroparticles
Frequency ranges
Hadrons
Heavy Ions
Lasers
Load matching
Mathematical and Computational Physics
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum Optics
Receiving
Recording
Scattering
Subtraction
Superhigh frequencies
Theoretical
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Summary: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.
ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-021-10129-0