The radiation pattern of a new umbrella monopole antenna was simulated numerically and the radiating or receiving zero field in some spatial range of E plane pattern of the antenna was discussed .

研究了一种短波段新型 小尺寸折叠 伞锥 天线的空间辐射特性，讨论了E面方向图空间俯仰角域的辐射抑制特性，给出了空间辐射场的计算结果。

Radiation pattern of a small - size fold umbrella monopole antenna

小尺寸折叠 伞锥 天线的辐射特性研究