The adjustment of the reflector surfaces of great radio telescopes

Details The adjustment of the reflector surfaces of great radio telescopes The adjustment of the reflector surfaces of great radio telescopes

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977s%26w....16..122g&link_type=abstract

Sterne und Weltraum, vol. 16, Apr. 1977, p. 122-125. In German.

Astronomy and Astrophysics

Astronomy

Optical Correction Procedure, Radio Telescopes, Reflecting Telescopes, Surface Distortion, Aluminum Alloys, Design Analysis, Mathematical Models, Radio Astronomy, Steels, Theodolites

Scientific paper

The importance of an accurate agreement of the characteristics of the actual reflector surface with the properties of the ideal surface in the case of optical and radio telescopes is considered. The obtainable surface quality of the reflectors of optical telescopes and the methods used for testing the surface characteristics are briefly discussed. A description is given of the procedures which can be used for a correction of the surface characteristics of the aluminum-steel reflectors of radio telescopes. The required mathematically defined surface characteristics are obtained with the aid of approaches involving the adjustment of the sectional elements. Advantages and drawbacks of the various available methods are evaluated.

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