Abstract
A new Data Acquisition and Control System for performing continuum radio-astronomical observations with the RATAN-600 radio telescope is presented. One of the “building blocks” of the system is the Embedded Radiometric Data Acquisition System (ER-DAS) developed at the RATAN-600. It is a measurement facility meant for digitizing and reducing radiometer signals and for transmitting the result of these operations via Ethernet networks. ER-DAS system is shown to have a low self-noise level and to lack 1/f-type noise. The measurement facility is shown to operate efficiently in radio-astronomical observations. Radiometric measurements of the parameters of high-sensitivity radiometers are illustrated in the case of the measurements of radiometer gain fluctuations.
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Original Russian Text © P.G. Tsybulev, 2011, published in Astrofizicheskij Byulleten, 2011, Vol. 66, No. 1, pp. 118–133.
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Tsybulev, P.G. New-generation data acquisition and control system for continuum radio-astronomic observations with RATAN-600 radio telescope: Development, observations, and measurements. Astrophys. Bull. 66, 109–122 (2011). https://doi.org/10.1134/S199034131101010X
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DOI: https://doi.org/10.1134/S199034131101010X