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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Compact Tri-band Miniaturized Antenna with Parasitic Elements Loading
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A Compact Tri-band Miniaturized Antenna with Parasitic Elements Loading

机译：具有寄生元素负荷的紧凑型三频小型天线

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摘要

A compact tri-band miniaturized antenna with parasitic element loading is proposed for small form factor devices. Firstly, the dual-band antenna is proposed. Based on the theory of characteristic mode (TCM), the resonant of the metal loop decreases by adding three identical square monopole on the other side of the substrate. By exciting one of three square monopoles, the other two monopole treating as parasitic units, can lower the Q factor of the monopole and enhance the bandwidth of the antenna. Then, the tri-band antenna is proposed. By adding metal patches on the side of the parasitic elements, the higher order of the metal loop is excited and the new resonant point is created. With the adoption of the TCM, two degenerate modes are separated by adding metal strips on the metal loop to enhance the bandwidth of the low band. Also, the same way is carried out to decrease the electric size of the antenna and the size of the proposed structure meets the requirement of the electric small antenna. To verify the performance, the proposed antenna is fabricated and tested. The measured results are in agreement with simulated results.
机译：提出了一种具有寄生元件负载的紧凑型三带小型天线，用于小型形状因子装置。首先，提出了双频带天线。基于特征模式（TCM）理论，通过在基板的另一侧添加三个相同的正方形单极来减小金属回路的谐振。通过令人兴奋的三个平方垄断之一，另外两个单块作为寄生单元治疗，可以降低单极的Q系数，增强天线的带宽。然后，提出了三带天线。通过在寄生元件侧面添加金属贴片，令人兴奋的金属环的较高阶和新的谐振点。通过采用TCM，通过在金属环上添加金属条以增强低频带的带宽来分离两种简并进行分离。而且，执行相同的方式以减小天线的电尺寸，并且所提出的结构的尺寸符合电小天线的要求。为了验证性能，制造和测试所提出的天线。测量结果与模拟结果一致。

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