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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >Novel wideband slot antenna having notch-band function for 2.4 GHz WLAN and UWB applications
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Novel wideband slot antenna having notch-band function for 2.4 GHz WLAN and UWB applications

机译：具有陷波功能的新型宽带缝隙天线，用于2.4 GHz WLAN和UWB应用

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摘要

In this paper, the design, simulation, and fabrication of a novel printed rectangular slot antenna with a band-notched function suitable for 2.4 GHz wireless local area network (WLAN) and ultra-wideband (UWB) applications is presented and investigated. Two pairs of slits are introduced into the ground plane to realize band-notched function, by tuning the position, length, and width of which a suitable rejected frequency band can be obtained. To improve the impedance matching, a rectangular cut is also made in the ground plane so that the antenna can cover 2-12 GHz frequency range. According to the measured results, the proposed antenna has a large bandwidth totally satisfying the requirement of 2.4 GHz WLAN and UWB systems, while providing the required band-notch function from $.i to 5.9 GHz. The study of transfer function and time-domain characteristics also indicates the band-notched function of the antenna. The radiation patterns display nearly omni-directional performance and the antenna gain is stable except in the rejected frequency band (5.1-5.9 GHz). Moreover, group delays are within 1.5 ns except for the notch band. These features make it a promising candidate for UWB wireless applications. Details of this antenna are described, and the experimental results of the constructed prototype are given.
机译：在本文中，提出并研究了一种新颖的具有带隙功能的印刷矩形缝隙天线的设计，仿真和制造，该天线适合于2.4 GHz无线局域网（WLAN）和超宽带（UWB）应用。通过调整位置，长度和宽度，可以将两对缝隙引入接地平面，以实现带陷波的功能，从而获得合适的被拒绝频带。为了改善阻抗匹配，还在接地平面上做了一个矩形切口，以便天线可以覆盖2-12 GHz频率范围。根据测量结果，所提出的天线具有大带宽，可以完全满足2.4 GHz WLAN和UWB系统的要求，同时提供从$ i至5.9 GHz的所需频带陷波功能。对传递函数和时域特性的研究还表明了天线的带隙功能。辐射方向图显示出几乎全向的性能，并且天线增益稳定，除了在拒绝的频带（5.1-5.9 GHz）中。此外，除陷波频段外，群时延均在1.5 ns之内。这些功能使其成为UWB无线应用的有希望的候选者。描述了这种天线的细节，并给出了所构建原型的实验结果。

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