一种可用于卫星导航抗干扰天线的降耦方法
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国家自然科学基金资助项目(61471117)

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A method to reduce the coupling for satellite navigation anti-jamming antennas
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    摘要:

    针对基于功率倒置算法的空时自适应抗干扰技术中天线阵元间互耦误差严重恶化算法性能这一问题,分析比较了目前常见的应对解决方案,并提出一种新的可用于抗干扰卫星导航终端的天线阵列降耦方法。该方法通过在卫星导航抗干扰天线阵列中加载电磁谐振吸波器,降低天线阵元间互耦。实验数据表明,利用该方法可以使阵元间互耦降低10 dB,使抗干扰接收机最大抑制干信比提升5 dB。

    Abstract:

    The mutual coupling between the antenna elements based on the Power Inversion(PI) algorithm deteriorates the performance of the space-time adaptive anti-jamming. Common solutions to solve the problem are analyzed and compared. A new method which can be applied to reduce the coupling in the anti-jamming satellite navigation positioning between the antenna elements is proposed. The method reduces the mutual coupling between the antenna elements by loading the electromagnetic resonance absorber in the satellite navigation anti-jamming antenna array. The experimental data show that the method can reduce the mutual coupling between the arrays by 10 dB, and therefore the anti-jamming receiver can suppress the maximum Jamming-to-Signal ratio by 5 dB.

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傅随道,曹振新,汤湘伟,闫双山.一种可用于卫星导航抗干扰天线的降耦方法[J].太赫兹科学与电子信息学报,2018,16(5):781~785

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历史
  • 收稿日期:2016-08-25
  • 最后修改日期:2017-10-13
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  • 在线发布日期: 2018-11-08
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