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1·Thus, the scan angle is increased and the grating lobe phenomenon is reduced.

因此，扫描角会增加同时栅瓣现象会减少。

2·This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed.

详细分析了由子阵构成的DBF的方向性函数特性，给出了方向图的设计方法，并讨论了其栅瓣产生的条件。