低旁瓣高增益的复合左右基板集成波导漏波天线阵列

2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE) Pub Date : 2017-10-01 DOI:10.1109/MAPE.2017.8250790

Q. Bai, Junhong Wang

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引用次数: 3

摘要

提出了一种低旁瓣高增益的复合左右基板集成波导漏波天线阵列。通过控制SIW侧各数字间槽的漏量，可以有效地降低天线的旁瓣电平。提出了一种切比雪夫电流大小分布的四路SIW功率分配器，以改善主瓣和抑制副瓣。仿真结果表明，采用天线阵可以提高增益和辐射效率。所提出的CRLH天线阵列在5.8GHz时具有−13.3dB的副瓣电平和23.67dB的高增益。

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Composite right/left-handed substrate integrated waveguide leaky-wave antenna array with low sidelobe level and high gain

Composite right/left-handed (CRLH) substrate integrated waveguide (SIW) leaky-wave antenna array with low sidelobe level and high gain is proposed. By controlling leakage amount of each interdigital slot etched on the broadside of the SIW, the sidelobe level of the antenna can be reduced effectively. A four-way SIW power divider with Chebyshev current distribution in magnitude is proposed to improve the main lobe and to suppress the sidelobe. The simulated results show that both the gain and radiation efficiency are improved by using antenna array. The proposed CRLH antenna array has a sidelobe level of −13.3dB and a high gain up to 23.67dB at 5.8GHz.

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2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE)

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