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Surface accuracy measurement of a deployable mesh reflector by planar near-field scanning

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4 Author(s)
Chujo, W. ; Minist. of Posts & Commun., Tokyo, Japan ; Ito, T. ; Hori, Y. ; Teshirogi, T.

Using a near-field antenna measurement facility, it is possible to simultaneously evaluate the surface accuracy of a reflector antenna as well as the far-field pattern of the antenna for a short time. The surface errors of a 2-m deployable mesh reflector for satellite use were measured by a planar near-field system. As a result, the influence of periodic structures, due to the antenna ribs, is clearly observed. Also, the surface accuracy obtained with the near field scanning technique coincides well with that obtained by an optical measurement technique

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Antennas and Propagation, IEEE Transactions on  (Volume:36 ,  Issue: 6 )