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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >Compact UWB monopole antenna with reconfigurable band-notch characteristics
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Compact UWB monopole antenna with reconfigurable band-notch characteristics

机译：紧凑的UWB单极天线具有可重新配置的带隙特性

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摘要

A compact ultra-wideband (UWB) monopole antenna with reconfigurable band-notch characteristics is demonstrated in this paper. It is comprised of a modified rectangular patch and a defected ground plane. The band-notch property in the WiMAX and WLAN bands is achieved by etching an open-ended slot on the radiating patch and an inverted U-shaped slot on the ground plane, respectively. To obtain the reconfigurable band-notch performance, two PIN diodes are inserted in the slots, and then the notch-band can be switched by changing the states of the PIN diodes. The antenna has a compact size of 0.47 lambda(1) x 0.27 lambda(1). The simulated and measured results indicate that the antenna can operate at a UWB mode, two single band-notch modes, and a dual band-notch mode. Moreover, stable radiation patterns are obtained.
机译：本文展示了一种紧凑的超宽带（UWB）单极天线，具有可重新配置的带隙特性。它由修改后的矩形贴片和有缺陷的接地层组成。通过分别蚀刻辐射贴片上的开放式槽口和接地面上的倒U形槽口，可以实现WiMAX和WLAN频带中的带隙特性。为了获得可重新配置的陷波性能，在插槽中插入了两个PIN二极管，然后可以通过更改PIN二极管的状态来切换陷波频带。天线的紧凑尺寸为0.47 lambda（1）x 0.27 lambda（1）。仿真和测量结果表明，该天线可以工作在UWB模式，两个单频带陷波模式和双频带陷波模式下。此外，获得稳定的辐射图。

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