An Articulated Swing Arm System for Spherical Near-Field Antenna Measurements at Millimeter Wave Frequencies

Authors: Pieter N. Betjes, Daniël J. Janse van Rensburg, Stuart F. Gregson

NSI has developed a high precision articulated swing arm system for millimeter wave spherical near-field measurements. This paper presents this system along with structural analysis and characterization, and explains what error corrections are performed in order to produce high accuracy results. Both simulated and measurements are shown to demonstrate the effectiveness of these correction measures.

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Copyright 2015 European Space Agency. Reprinted from 2015 ESA ESTEC Workshop on Antenna Measurements.

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