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The main principles of a 70-m radio telescope reflecting system design

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3 Author(s)
Grishmanovsky, V.A. ; Inst. of Space Device Eng., Moscow, Russia ; Kozlov, A.N. ; Tarasov, V.B.

Design work on a 70-m axisymmetrical reflector antenna with modified reflector profiles, the RT-70, which began in 1969 is described. In the design process complex problems arose due to diffraction phenomena on the twin-reflector commutator. To solve these problems special diffraction shields were used. Another problem encountered was that of phase compensation of the reflector system gravitational deformation. The reflector shape is not a second-order surface in this system. This problem was solved successfully, and results of radioastronomical investigation of the phase-compensation-system performance are given

Published in:

Microwave Theory and Techniques, IEEE Transactions on  (Volume:40 ,  Issue: 6 )

Date of Publication:

Jun 1992

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