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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。
The level of minor lobes is usually expressed as a ratio of the power density in the lobe in question to that of the major lobe.
通常，副瓣的等级量用所述瓣中的功率密度与主（波）瓣的功率密度（这二者）的比值来描述。
Minor lobe: all the lobes other then the main lobe are called the minor lobes. These lobes represent the radiation in undesired directions.
副瓣：除了主瓣其它所有的瓣都被称作副瓣，这些副瓣展示的都是不必的辐射或没有用方向的辐射。
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