Abstract
Background: The anti-interference requirements of miniaturized satellite navigation arrays are increasing. The anti-interference ability reducing of small aperture arrays caused by large mutual coupling and large main lobe width may be solved by adopting a quad-arrays antenna.
Objective: Research of multiple interference suppression method is the aim of the paper, and it makes the research of a small four-element satellite navigation array antenna and makes a related analysis of its multiple interference suppression ability.
Methods: The paper, focuses on the structural design of low-coupling polarized array antennas and makes an analysis of mutual coupling between array elements, the compensation technology based on auxiliary sources is proposed.
Results: Experimental analysis of antenna narrowband interference suppression is made. Relevant anti-interference results on four-element antennae are also obtained. The anti-interference ability of four four-element antennae is summarized.
Conclusion: The anti-interference ability of -the four-element antenna is analyzed and summarized in the paper; related results show that a small four-element satellite navigation array antenna can be used in multiple interference suppression in the satellite navigation system.
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