Spacecraft antenna measurement eliminating gravity effect by using planar near-field antenna measurement technique

被引：0
|
作者：
Deguchi, H [1 ]
Miyahara, N
Ebisui, T
Katagi, T
Miura, K
Takano, T
机构：
[1] Mitsubishi Elect Corp, Kamakura, Kanagawa 2470056, Japan
[2] Seian Univ Art & Design, Otsu, Shiga 5200248, Japan
[3] Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2290022, Japan
来源：
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS | 2000年 / 83卷 / 03期
关键词：
near-field measurement; spacecraft antenna; mirror surface error; deformation by gravity;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 near field at each angle of rotation. An antenna is experimentally constructed, measured, and evaluated by the proposed method. (C) 2000 Scripta Technica, Electron Comm Jpn Pt 2, 83(3): 16-25, 2000.
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页码：16 / 25
页数：10
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