Non Contact Vibration Measurements on Parabolic Surface Antenna

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Abstract

In this paper it is present a non contact method for 3D measurements on parabolic surface antenna. In order to obtain modal parameters and modal shapes of a parabolic surface antenna a Microflown USP (Ultimate Sound Probe) is used. Microflown sensors are close to antenna and can be used for the non contact measurement of the normal component of the structural velocity.

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  • [1] D. Simoiu “Theoretical and Experimental Studies on Mechanical Structures Loads Induced by Wind. Application on Parabolic Dish Antenna”. PhD Thesis University “Politehnica” of Timişoara 2008 ISBN 978-973-625-645-5. Politehnica Press.

  • [2] T. Cioara First results of the USP integrated sound probe application to the 3D vibration measurements on parabolic surface antenna University Politehnica of Timisoara internal report 2006

  • [3] T. Cioara L. Bereteu Determination of wind-induced dynamic loads in the structure of a parabolic antenna Proceedings of the X-th conference on mechanical vibration Scientific Bulletin of the „Politehnica” University of Timişoara Tom 47(61) Supplement (2002)

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