Abstract:Since spacecraft antennas are used in space, it is necessary to evaluate the mirror surface error and the electrical performance of the antenna in the gravity‐free state. In order to execute such an evaluation on the ground, a measurement method is desired in which the effect of gravity can be separately evaluated. This article proposes a method that separately evaluates the mirror surface error inherent to the antenna and deformation by gravity, by rotating the antenna around the beam axis, and measuring the … Show more
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