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首页> 外文期刊>Microwave and optical technology letters >COMPACT THIN GROUND PLANE UWB ANTENNA WITH DUAL BAND STOP CHARACTERISTICS
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COMPACT THIN GROUND PLANE UWB ANTENNA WITH DUAL BAND STOP CHARACTERISTICS

机译：具有双频段停止特性的紧凑型薄型地面UWB天线

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摘要

A compact coplanar waveguide (CPW)-fed convex hexagonal-shaped ultrawide band (UWB) antenna, with L-shaped thin ground plane for lower frequency band stop function and tapered rectangular vertical slot in radiating patch for upper frequency band stop is presented. The proposed antenna of dimension 40 × 22 × 1.6 mm~3 provides good impedance matching over dual operational UWB resonating at 5.4 and 9.6 GHz with fractional bandwidth 69.54 and 33.83%, respectively. The lower frequency stop band in the vicinity of 2.4 GHz and higher frequency stop band in the vicinity of 7 GHz has bandwidth of 3.17 and 1.8 GHz, respectively, to avoid the interference of PCS, GSM 800/1900, ISM, WLAN, and X-band satellite uplink (7.25-7.75 GHz) and downlink (7.9-8.4 GHz) communication system. The E-plane radiation pattern observed is bidirectional in nature due to CPW feed and that of the H-plane pattern is omnidirectional. The resonating lower and higher UWB achieves the peak gain 2.16 and 6.5 dBi, respectively.
机译：提出了一种紧凑的共面波导（CPW）馈电的凸六边形超宽带（UWB）天线，该天线具有L形的薄接地层，用于较低的频带停止功能，而锥形矩形垂直缝隙在辐射贴片中用于较高的频带停止。所建议的尺寸为40×22×1.6 mm〜3的天线在双工作UWB上以5.4和9.6 GHz的谐振频率提供了良好的阻抗匹配，分别具有69.54和33.83％的小带宽。 2.4 GHz附近的较低频率阻带和7 GHz附近的较高频率阻带分别具有3.17和1.8 GHz的带宽，以避免PCS，GSM 800/1900，ISM，WLAN和X的干扰频段卫星上行链路（7.25-7.75 GHz）和下行链路（7.9-8.4 GHz）通信系统。由于CPW馈电，观察到的E平面辐射方向图本质上是双向的，而H平面辐射方向图则是全向的。较低和较高的UWB谐振分别达到2.16和6.5 dBi的峰值增益。

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