Broadband design of circularly polarized high-gain Fabry-Perot resonator antenna with simple array thinning technique
Broadband design of circularly polarized high-gain Fabry-Perot resonator antenna with simple array thinning technique
复制标题
采用简单阵列细化技术的圆极化高增益法布里-珀罗谐振器天线的宽带设计
DOI：
10.1002/mop.30900
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发表时间：
2017
影响因子：
1.5
通讯作者：
Lu Wei Bing
中科院分区：
文献类型：
--
作者：
Liu Zhen Guo;Lu Wei Bing
提出了一种采用简单阵列细化技术的宽带高增益圆极化法布里-珀罗谐振腔天线(CP-FPRA)。该天线由一个由环形频率选择表面(FSS)构成的单层部分反射面(PRS)和一个四个连续旋转的稀疏微带贴片辐射器组成。相邻一次辐射体的间距约为1λ0，大于微带贴片阵列中典型的0.5λ0。设计了一种工作在10 GHz的天线样机。模拟和实验结果表明，该器件获得了较宽的共用带宽(|S11| ≤ −为10d B，增益降≤为2 d B，轴比≤为3 d B)，并具有高增益、低旁瓣电平等良好的CP辐射特性。
In this letter, a broadband high‐gain circularly polarized Fabry‐Perot resonator antenna (CP‐FPRA) with simple array thinning technique is proposed. The proposed antenna consists of a single layer partially reflective surface (PRS) formed by ring frequency selective surface (FSS) and a four sequential rotated sparse primary microstrip patch radiators backed with ground. The inter‐spacing of adjacent primary radiator is around 1 λ0,which is larger than the typical value of 0.5 λ0in microstrip patch array. A prototype antenna operating at 10 GHz is designed. Simulated and experimental results show that a broad common bandwidth for |S11| ≤ −10 dB and gain‐drop ≤2 dB and axial ratio ≤3 dB is obtained, in which the good CP radiation properties such as high gain, low side lobe level are also proposed.