The planar slot array antenna is the core of the airborne radar antenna system. Its prominent characteristics are many layers, cavities, thin wall and accuracy to have high request.
平板裂缝天线是机载雷达天线系统的核心，其显著特点是多层、空腔、薄壁而且精度要求高。
The planar slot array antenna can satisfy a radar screen's request for antenna high gain, low side lobe, small volume, and light weight etc. So it gets extensively applied in the airborne radar.
平板裂缝天线可满足雷达系统对天线增益高、副瓣低、体积小、重量轻的要求，所以在机载雷达中得到广泛应用。
Rectangle metal waveguide slot-microstrip coupling structure is used to feed series-fed microstrip patch linear array, thus a planar array is obtained.
该天线阵采用矩形波导宽边纵向缝隙耦合微带线结构给串馈微带贴片线阵馈电，从而构成二维平面阵。
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