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生长方形缝隙分形阵列超宽频带天线设计
Design of the Growing Square Slot Fractal Array Ultra Wideband Antenna

DOI: 10.12677/HJWC.2019.93014, PP. 112-118

Keywords: 生长方形缝隙结构，“嵌入式”缝隙分形，矩形阵列天线，相对介电常数渐变薄膜，钽铌酸钾薄片，铁基纳米晶合金镀层，超宽频带天线
Growing Square Slot Structure, Embedded Slot Fractal, Rectangular Array Antenna, Relative Dielectric Constant Gradual Thin Film, Potassium Tantalum Niobate Thin Film, Fe-Based Nanocrystalline Alloy Coating, Ultra Wideband Antenna

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Abstract:

本文针对微波多频段兼容系统对天线的性能要求，将生长方形缝隙结构、“嵌入式”缝隙分形迭代结构、矩形阵列天线、相对介电常数渐变薄膜、钽铌酸钾薄片、铁基纳米晶合金镀层、石墨烯导电墨水等一系列先进的技术和材料有机结合，设计了一款生长方形缝隙分形阵列超宽频带天线。实测结果表明，该款天线具有稳定可靠的超宽频带辐射能力，能够抵抗外界电磁信号干扰，性能冗余充足，尺寸小，辐射强度高，能够完全覆盖第二代至第五代移动通信频段、射频识别频段、超宽带通信频段和移动数字电视频段，在即将到来的微波频段多网合一时代有巨大的应用前景。
According to the performance requirements of the antennas for the microwave multi band com-patible system, the present paper originally combines growing square slot structure, embedded slot fractal iterative structure, rectangular array antenna, relative dielectric constant gradual thin film, potassium tantalum niobate thin film, Fe-based nanocrystalline alloy coating and graphene conductive ink, to design a growing square slot fractal array ultra wideband antenna. The result of test indicates that this antenna has stable and reliable ultra-wideband radiation capability, can resist external electromagnetic signal interference, and has sufficient redundancy, small size and high radiation intensity. This antenna completely covered all working frequency bands of the se-cond generation to the fifth generation mobile communication, the frequency bands of the radio frequency identification system, the frequency band of the ultra wideband system, and the fre-quency band of the mobile digital TV system. This antenna will have great application prospects in the coming era of microwave band multi-network integration.

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