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。
An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna.
天线测量是分析天线性能的一种重要手段。目标的雷达散射截面测量在目标特性研究领域具有重要意义。
Antenna measuring is an important method for analysis on its performance, while Radar Cross Section (RCS) measuring has special significance in realm of research on features of target.
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