一种新型的紧凑cpw馈电槽天线,带有一对寄生贴片,用于超宽带应用

S. Mohammad, J. Nourinia, C. Ghobadi, M. Majidzadeh
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引用次数: 2

摘要

提出了一种采用共面波导馈电并在天线背面增加一对寄生贴片的简易紧凑印刷缝隙天线。通过在馈线上嵌入h形带,并在h形带上嵌入对称的倒l形带,改善了阻抗匹配,极大地提高了带宽。天线的总尺寸为25×25×1mm3,工作频率范围为3-15.5GHz。对于该天线,在整个UWB频率范围内观察到全向方向图。
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A novel compact CPW-fed slot antenna with a pair of parasitic patches for UWB applications
A simple compact printed slot antenna fed by coplanar waveguide (CPW) with a pair of parasitic patches that are added in back side of antenna is presented. By embedding an H-shaped strip to the feed line and symmetrical inverted L-shaped strips that are connected to the H-shaped strip, the impedance matching has improved and the bandwidth (BW) is extremely enhanced. The total size of the antenna is 25×25×1mm3 and operates over the frequency range of 3-15.5GHz. For the fabricated antenna, omni-directional pattern is observed over the whole UWB frequency range.
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