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The design of high frequency antennas

Published online by Cambridge University Press:  12 April 2016

J. Delannoy*
Affiliation:
IRAM, 300 Rue de la Piscine, D.U. de GRENOBLE 38406, Saint Martin d’Heres - Cedex, FRANCE

Abstract

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The conceptual guidelines in designing mm radio-telescope antennas are enlightened by some recent progress in their mechanical construction, and opto-radio-geometrical adjustment. This paper reviews concepts, illustrated in many existing solutions, including the new “phaseretrieval” holography for single dish adjustment (D.Morris, IRAM, 1982): 2 amplitude only maps at focus and out of focus, with enough dynamic range and signal to noise ratio, give surface errors within hours.

Type
Hardware for Interferometry
Copyright
Copyright © Astronomical Society of the Pacific 1991

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