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一种S波段宽带微带贴片天线阵列的设计 被引量:5

Design of broadband microstrip patch antenna array in S band
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摘要 介绍了一种宽带微带贴片天线单元及2元阵列的设计方法,天线工作的中心频率为2.5GHz(S波段)。天线单元设计中采用口径耦合理论和层叠贴片天线结构,有效增大了天线的阻抗带宽。仿真结果表明该天线阵列实际增益达到11.9dB;在2.27~2.78GHz频率范围内端口驻波比小于2,相对带宽为20.4%;交叉极化电平为-31dB,证明该天线阵具有宽频带、低交叉极化等优良性能。 A design scheme of microstrip patch antenna element and 2-element array with wide bandwidth application is presented in this paper. The operation frequency of the antenna is 2. 5GHz (S-band). The aperture-coupled theory and stacked patch antenna (SPA) architecture are adopted in the design of antenna element in ordel to increase the impedance bandwidth. The simulation results show that the realized gain of the array reaches 11.9 dB. The relative impedance bandwidth is 20.4% in frequency domain ranging from 2, 27 GHz to 2.78 GHz when voltage standing wave ratio (VSWR) is less than 2, while the cross-polarization is lower than --31 dB.
出处 《现代电子技术》 2012年第23期109-111,共3页 Modern Electronics Technique
关键词 宽带 口径耦合 层叠贴片天线 微带天线 broadband aperture-coupled stacked patch antenna microstrip antenna
作者简介 赵后亮男,1984年出生,江苏徐州人,硕士研究生。主要研究方向为天线理论与技术。 尹家贤男,1964年出生,浙江杭州人,硕士生导师。主要研究方向为微波毫米波技术。
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共引文献14

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