An airborne early warning (AEW) radar must be able to detect distant low-altitude targets from the antenna sidelobe clutter. Therefore, the sidelobe level directly influences the radar detection range.

• 机载预警雷达必须具有从旁瓣杂波中发现目标的能力,因此,天线旁瓣电平的高低直接影响到雷达的检测距离。