While most conventional airborne radars rely on some form of mechanically scanned antenna to transmit and receive signals, active electronically scanned array (AESA) sensors employ a fixed aperture.
当多数常规机载雷达依靠机械扫描天线收发信号的时候，有源电子扫描阵列(AESA)传感器却使用固定的孔径。
Having the antenna at the bottom means less radio frequency waves are flooding the sensors.
将天线安置在底部意味着传感器会探测到最少的电磁波。
The sensors pick up the microwaves with an antenna and convert the signal into electrical energy.
传感器用天线收集微波并把信号转变成电能。
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