受平顶宽边增益曲线合成启发的宽带滤波天线设计

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2024-10-18 DOI:10.1002/mop.70008

Chuan-Hao Zhang, You-Feng Cheng, Fan Peng, Cheng Liao

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引用次数: 0

摘要

受平顶增益曲线合成的启发，利用相互耦合效应提出了一种宽带滤波天线的通用设计方案。分析了基于特殊设计子阵列的频率变化平顶增益曲线的实现。分析结果总结了基于短路引脚和寄生结构生成滤波响应的设计过程。为进行验证，设计并分析了一个装有寄生短路贴片的单层矩形贴片阵列。该天线的阻抗带宽为 4.95-6.05 GHz，峰值增益为 11.2 dBi。此外，该设计的带外抑制水平高于 15 dB。

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Wideband filtering antenna design inspired by synthesis of flat-top broadside gain curve

A common design solution of wideband filtering antennas inspired by the synthesis of a flat-top gain curve is proposed by using mutual coupling effects. The realization of a frequency-varied flat-top gain curve based on specially designed subarrays is analyzed. Analysis results conclude a design process of generating filtering response based on shorting pins and parasitic structures. A single-layer rectangle patch array loaded with parasitic shorted patches is designed and analyzed for the validation. The proposed antenna possesses an impedance bandwidth of 4.95–6.05 GHz and a peak realized gain of 11.2 dBi. Besides, the design has its out-of-band rejection levels higher than 15 dB.

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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication