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TM₀模式下PBG接地板与开槽接地板微带贴片天线的性能研究

Performance investigation of TM₀-mode microstrip patch antenna with slotted and PBG ground plate

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【Author】 LIU Wei-na~1,LIU Pei-tao~1,XIAO Jian-kang~(1,2),LI Ying~1(1.College of Science,Shanghai University,Shanghai 200444,China;2.College of Information Science and Engineering,Lanzhou University,Lanzhou 730000,China)

【机构】上海大学理学院；上海大学理学院上海200444；上海200444；兰州大学信息科学与工程学院；甘肃兰州730000；

【摘要】研究了两种基于PBG接地板和开槽接地板的新型微带天线在TM0工作模式下的特性.仿真结果表明,与普通的微带天线进行比较,PBG结构和槽孔的引入可以有效地抑制表面波,使谐振频率降低,频带有所展宽,改善了天线的前向辐射,从而减小了天线的尺寸,提高了天线的性能.更多还原

【Abstract】 The TM₀-mode performances of two microstrip patch antennas with slotted and PBG ground plates were investigated.Simulation results showed that the slotted and PBG ground plate for the microstrip antenna can efficiently suppress the surface wave compared to the ordinary microstrip antenna,the resonant frequency is decreased,the impedance bandwidth is enhanced,and the front radiation is improved,so that the size of the antenna can be reduced and the performance of the antenna is enhanced.更多还原