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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Microstrip Patch Array Antenna with Metal Mesh Structure for Cross Polarization Suppression
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A Microstrip Patch Array Antenna with Metal Mesh Structure for Cross Polarization Suppression

机译：金属网格结构的微带贴片阵列天线用于交叉极化抑制

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摘要

A 1x4 micro strip patch array antenna is presented for Ku-band radar systems. A metal mesh structure working as a polarizing filter (twist reflector) is employed to reduce the cross-polarization of the antenna. The metal mesh structure is simple and easy to be printed on a commercial substrate. The proposed antenna has been designed and analyzed by using commercially available software - Computer Simulation Technology Microwave Studio (CST MWS), which is based on the finite-difference-time-domain algorithm. A prototype antenna is built and tested. The return loss has been compared between measured and simulated data under the criterion of VSWR less than 2 throughout the designed 14.9 to 15.1 GHz frequency range. The cross-polarization levels in both E and H planes are better than -21 dB, with fair regular radiation patterns.
机译：提出了一种用于Ku波段雷达系统的1x4微带贴片阵列天线。采用用作偏振滤波器（扭曲反射器）的金属网状结构来减少天线的交叉极化。金属网结构简单，易于印刷在商业基板上。拟议的天线已使用商用软件-计算机仿真技术微波工作室（CST MWS）设计和分析，该软件基于时域有限差分算法。原型天线已构建并经过测试。在设计的14.9至15.1 GHz频率范围内，根据VSWR小于2的标准，比较了测量数据和模拟数据的回波损耗。 E平面和H平面的交叉极化水平均优于-21 dB，且辐射方向图规则。

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