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设计一种工作在C波段(5.15-5.825GHz)的新型的双线极化高隔离度微带振子天线,主要应用于短距离的移动通信。天线单元采用双“H”缝隙地板、合理的振子排列方式及微带线馈电方式,通过HFSS软件的优化仿真,得到很好的结果,并组成2×2面阵,在整个频段内驻波比小于2,隔离度大于30dB,在中心频率5.54GHz时,E面最大辐射方向的增益为8.9dB;H面最大辐射方向的增益为11.2dB。该天线体积小,有利于小型化和集成化。
A novel dual-polarization high-isolation microstrip antenna operating in the C-band (5.15-5.825GHz) is designed, which is mainly used in short-range mobile communications. The antenna unit adopts double “H ” slot floor, reasonable arrangement of transducers and feeding way of microstrip line. Through the optimization simulation of HFSS software, good results are obtained and the 2 × 2 area array is formed. In the whole frequency band The VSWR is less than 2 and the isolation is greater than 30dB. The maximum E-plane radiation gain is 8.9dB at the center frequency of 5.54GHz and the maximum gain of H-plane is 11.2dB. The small size of the antenna is conducive to miniaturization and integration.