The antenna array is an important department of phased array radar system. The phase accuracy of shifter is necessary to the radar′s measurement accurate.

相控阵雷达的天线阵面是整个雷达系统的重要组成部分，阵面中移相驱动器的移相精度是保证雷达系统测量精度的重要依据。

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Because riveting technology is widely used to manufacture antenna case of phased array radar, deformation and relative position deviation are easy to be found.

相控阵雷达天线箱体的制造通常采用铆接成形技术，过程中易出现铆接形变和相对位置偏差等现象。

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An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna.

影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。

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