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低交叉极化高隔离度的双极化介质谐振器天线
发表时间:2009-09-30 浏览量:1753 下载量:782
全部作者: | 汤小蓉,钟顺时,孙竹 |
作者单位: | 上海大学通信与信息工程学院 |
摘 要: | 提出了一种新颖的X波段双极化介质谐振器天线(dielectric resonator antenna, DRA),并进行了分析与设计。其中,一个极化采用口径耦合馈电;另一个极化采用平衡探针方式馈电。天线的端口隔离度低于-40 dB,交叉极化电平低于-30 dB. 2个端口上的回波损耗小于-10 dB的阻抗带宽为800 MHz,2个极化的最大增益均达到6.5 dB. |
关 键 词: | 天线电波传播;介质谐振器天线;双极化;高隔离度;合成口径雷达 |
Title: | Dual-polarized dielectric resonator antenna with low cross-polarization and high isolation |
Author: | TANG Xiaorong, ZHONG Shunshi, SUN Zhu |
Organization: | School of Communication and Information Engineering, Shanghai University |
Abstract: | This paper introduced new dual-polarized dielectric resonator antenna (DRA) at X-band where the dual orthogonal linear polarization operation is achieved by using the combination of an aperture-coupled feed and a balanced-probe feed. The port isolation of exceeding -40 dB and a cross-polarization level of -30 dB have been obtained. Its return loss is less than -10 dB for the impedance bandwidth of 800 MHz. Its gain is around 6.5 dB in two feed ports. |
Key words: | antenna wave propagation; dielectric resonator antenna; dual-polarized; high isolation; synthesis aperture radar |
发表期数: | 2009年9月第18期 |
引用格式: | 汤小蓉,钟顺时,孙竹. 低交叉极化高隔离度的双极化介质谐振器天线[J]. 中国科技论文在线精品论文,2009,2(18):1875-1878. |
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