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.

[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)

Annals of West University of Timisoara - Physics

The Journal of West University of Timisoara

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