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中文摘要：
介绍了一种小型化超宽带全向微带天线。提出一种平面伞状贴片天线结构，采用电磁仿真软件HFSS分析该天线的阻抗带宽、方向图及增益特性。仿真与实测样品对比分析表明，提出的小型化超宽带平面伞状天线能够满足工程应用需要。
英文摘要：
A miniaturization ultra-wideband （UWB）omni-directional micro-strip antenna is proposed. A planar umbrella antenna is presented. The characteristics of the antenna such as impedance band- width, radiation patterns and gain are analyzed by using high frequency structure simulator（HFSS）. Sim- ulation result and sample test show that the proposed antenna can meet the application needs.
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