采用约束非线性优化方法，对其阵列参数进行优化，实现了垂直面内上半空间的旁瓣抑制和下半空间的零值填充。
The array parameters are optimized using the nonlinearly constrained optimization method so that the antenna achieves side lobe suppression up and null filling down in the vertical radiation pattern .
上旁瓣抑制