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UWB Monopole Antenna with Dual Band-Notched Function

机译:具有双频段陷波功能的UWB单极天线

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摘要

In this letter, an Ultra-Wideband (UWB) monopole antenna with dual frequency band-stop performance is designed and manufactured. In the proposed structure, by inserting an S-shaped parasitic structure inside a square slot in the ground plane a new resonance at higher frequencies can be achieved, which provides a wide usable fractional bandwidth of more than 125%. In order to generate dual bandnotched function, we use four L-shaped strips protruded inside square ring. The measured results reveal that the antenna offers a very wide bandwidth from 2.63 to 14.2 GHz with two notched bands covering all the 5.2/5.8 GHz WLAN, 3.5/5.5 GHz WiMAX and 4 GHz C bands. Good VSWR and radiation pattern characteristics are obtained in the frequency band of interest.
机译:在这封信中,设计并制造了具有双频带阻性能的超宽带(UWB)单极天线。在提出的结构中,通过将S形寄生结构插入接地平面的方槽内,可以实现更高频率的新谐振,这提供了超过125%的可用分数带宽。为了产生双带缺口的函数,我们使用四个在方形环内突出的L形条。测量结果表明,该天线提供了从2.63到14.2 GHz的非常宽的带宽,两个陷波频段覆盖了所有5.2 / 5.8 GHz WLAN,3.5 / 5.5 GHz WiMAX和4 GHz C频段。在感兴趣的频带中可以获得良好的VSWR和辐射方向图特性。

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