天线孔径分布(函数) aperture distribution， antenna 孔径效率 aperture efficiency 孔径天线之孔径效率 aperture efficiency of aperture antenna ..
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It has the characteristics of the small volume, light weight, high aperture efficiency and low wide-angle minor lobe and so on.
它具有体积小、重量轻、口径效率高、宽角副瓣低等特点。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
Its practicality effective aperture ratio has been improved to about92.8% consequently the concentration efficiency of microlens array is increased.
其实测有效孔径比可达到92。8%极大提高了微透镜阵列的聚光效率。
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