为了削弱孔径效应，空气间隙的电容传感器采用了不同的结构。
The air gap capacitance sensors with distinct composition have been developed for reducing aperture effect.
由于孔径效应和孔径渡越时间的限制，传统的相控阵雷达难以在大扫描角下实现大瞬时带宽。
Due to the restriction of aperture effect and the aperture traverse delay, it is difficult for a conventional phased array radar to get wide instantaneous bandwidth under wide scan scope.
但是，基于移相器的普通相控阵天线在进行宽带宽角扫描时，由于渡越时间和孔径效应的影响，使信号的瞬时带宽受限。
However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.
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