Equipment and measuring procedures of a compact testing ground for calibration of the antenna system of radiometers

I. V. Bragin; V. P. Sgibnev; V. I. Gusevsky; M. B. Kamenkov; A. A. Morozov; A. M. Gil; T. B. Shevaldykina; S. I. Bragin; G. M. Polishuk; David Khidasheli; V. F. Michailov; V. L. Andreev

doi:10.1117/12.675050

26 April 2006 Equipment and measuring procedures of a compact testing ground for calibration of the antenna system of radiometers

I. V. Bragin, V. P. Sgibnev, V. I. Gusevsky, M. B. Kamenkov, A. A. Morozov, A. M. Gil, T. B. Shevaldykina, S. I. Bragin, G. M. Polishuk, David Khidasheli, V. F. Michailov, V. L. Andreev

Author Affiliations +

Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 615911 (2006) https://doi.org/10.1117/12.675050
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland

Abstract

The configuration of a compact proving ground designed to measure electric characteristics of antennas with apertures up to 1000 mm and, also, to calibrate the antenna systems of radiometer has been considered. Proving ground consists on non-echoic chamber with a collimator antenna of 2000 mm in diameter and the set of exciters for each frequency band. The antenna to be tested is located in the near field of the collimator antenna. Almost plane waves are realized in the position of the antenna to be tested. The accuracy of fabrication of a collimator antenna surface enables to use it over wide frequency range up to 150 GHz. One proposes measurement methods of the following characteristics of the antenna system of a radiometer - antenna beam width, reflection coefficient, antenna efficiency, frequency and polarization decoupling between radiometer channels, losses and SWR in each frequency channel and other parameters of an antenna subsystem and radiometer calibration subsystem.

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I. V. Bragin, V. P. Sgibnev, V. I. Gusevsky, M. B. Kamenkov, A. A. Morozov, A. M. Gil, T. B. Shevaldykina, S. I. Bragin, G. M. Polishuk, David Khidasheli, V. F. Michailov, and V. L. Andreev "Equipment and measuring procedures of a compact testing ground for calibration of the antenna system of radiometers", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 615911 (26 April 2006); https://doi.org/10.1117/12.675050

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KEYWORDS

Antennas

Radiometry

Collimators

Reflectors

Temperature metrology

Calibration

Interference (communication)

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