Determination of the effect of the underlying surface on measurements of the characteristics of large antennas

Details Determination of the effect of the underlying surface on measurements of the characteristics of large antennas Determination of the effect of the underlying surface on measurements of the characteristics of large antennas

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988rael...33..696g&link_type=abstract

Radiotekhnika i Elektronika (ISSN 0033-8494), vol. 33, April 1988, p. 696-699. In Russian.

Physics

Antenna Radiation Patterns, Radio Telescopes, Steerable Antennas, Surface Properties, Apertures, Electromagnetic Fields, Signal Analysis, Tracking (Position)

Scientific paper

An experimental technique is proposed for evaluating the effect of the ground on the operation of large fully turnable antennas. The technique is based on the establishment of a relation between field distribution distortions in the antenna aperture due to fields reflected from the ground and the output signals of the antenna. Several examples are considered, including the determination of the effect of the ground on the parameters of the RT-18 radio telescope and the measurement of the reflection level in connection with the tracking of a flight vehicle.

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