低旁瓣24GHz微带相控阵天线设计

2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2016-08-01 DOI:10.1109/ICEICT.2016.7879780

Li-jia Chen, Mengyao Yan

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引用次数: 14

摘要

本文设计了一种用于汽车防撞雷达的高增益低旁瓣24GHz微带相控阵天线。该微带天线阵列采用串并联馈电网络馈电，在满足天线阵列各单元受不等幅值激励的要求的基础上，降低了馈电网络的损耗，实现了天线的小型化。仿真结果表明，8×12天线阵列的带宽为1.1GHz。最大扫描角度约为±30°，最小增益约为25dB。在扫描角度过程中，e面和h面最大波束宽度分别为6°和14.2°。第一副瓣电平为−18dB和−19dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of 24GHz microstrip phased array antennas with low side-lobe

A 24GHz microstrip phased array antennas with high gain and low side-lobe is designed for antomotive anticollision radar in this paper. The proposed microstrip antenna array is fed by a series-parallel feeding network which can reduce loss of feed network and realize miniaturization of antenna on basis of satisfying requirement of each element of antenna array excited by the unequal amplitude. The simulation results show the 8×12 antenna array has a bandwidth of 1.1GHz. The maximum scanning angle is about ±30°, and the minimum gain about 25dB. In the process of scanning angle, the maximum beam width of E-plane and H-plane is 6°and 14.2°. And the first side-lobe level is −18dB and −19dB.

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来源期刊

2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)

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