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中文摘要：
提出了一种新型共面波导馈电的，具有带阻特性的平面单极子超宽带天线。为了抑制与WLAN系统的干扰，通过在天线平面上加入调谐支节，从而达到了在WLAN频段上的带阻特性。该天线在回波损耗S11≤-10dB的工作频带带宽达到了2．49～14．53GHz，并且在4．9～5．92GHz频带内形成了阻带。采用基于有限元的电磁场仿真软件HFSS进行了优化，并绘出天线的方向图，结果表明该设计方法的有效性。
英文摘要：
A new planar monopole UWB antenna with CPW fed and sharp band notch characteristics is proposed. To suppress interference from the WLAN system, a tuning stub is inserted in the planar antenna and a frequency band notch function is thus created in the WLAN frequency range. The antenna offers an excellent operating frequency range from 2. 49 GHz to 14. 53 GHz （ S11 ≤ - 10 dB）, and possesses band notch from 4. 9 GHz to 5.92 GHz. The radiation patterns of the antenna are illustrated with the electromagnetic simulation software HFSS based on the Finite Element, and the results indicate the design is reasonable.
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