一种新型折叠偶极圆极化拟八木天线

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/ISAPE54070.2021.9753137

Lifang Liu, Xuping Li, Yunqi Zhang, Simin Du

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引用次数: 0

摘要

提出了一种具有良好功能的平面折叠偶极子准八木天线。它是基于一个简单的结构，两对折叠的偶极子，平面磁壁，两个心理过孔，和一个指示。研究和分析了天线的工作原理。磁壁与折叠的偶极子结合形成圆极化束。通过仿真和优化，在中心频率为5.8 GHz附近，阻抗带宽(|S11|≤- 10 dB)约为4.8% (5.65 ~ 5.93 GHz)， AR带宽约为13.3% (5.28 ~ 6.03 GHz)，表明该天线适用于RFID系统。

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A Novel Folded Dipoles Circularly Polarized Quasi-Yagi Antenna

A novel planar folded dipoles quasi-Yagi antenna with a good function is proposed. It is based on a simple structure of two pairs of folded dipoles, planar magnetic walls, two mental via-holes, and a director. The working principle of the antenna is studied and analyzed. The magnetic walls are combined with folded dipoles to form a circularly polarized beam. By simulation and optimization, The impedance bandwidth (|S11|≤ - 10 dB) of about 4.8% (5.65-5.93 GHz) and a 3 dB AR bandwidth of about 13.3% (5.28-6.03 GHz) around the center frequency of 5.8 GHz is achieved, which indicates that the proposed antenna is suitable for the RFID system.

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来源期刊

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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