This method is used to suppress the grating lobe and increase the performance of multi-beam through designing the weights of multi-beam at elements level and subarray level, and each weight is optimized by genetic algorithm.
通过设计每个子阵内的阵元权系数和每个子阵的通道权系数来压制栅瓣,提高多波束性能。 各个权系数是通过遗传算法优化得到的。
参考来源 - 子阵级宽带数字多波束形成研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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。
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