Structural Design of Reflector Antennas: Homology
The two large telescopes built in the 1950s at Jodrell Bank and Parkes were pioneering pieces of technology. Astronomers developed the ideas for the telescopes and industrial engineers and companies executed the design and erection. For the engineers the task was new, not comparable to their work on bridges or aircraft structures. They worked in the pre-computer era in an experimental way with the limited analysis tools for structural mechanics as graphical statics and slide-rule computation. The performance of the telescope was adequate for the observation of long wavelengths (metres to decimetres), and the deformation behaviour of the telescope structure was of limited importance.
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