一种大频率比、高隔离的双频结构复用天线

2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2021-11-28 DOI:10.1109/iwem53379.2021.9790536

Wei-jun Gui, H. Jin, Wenlei Wang, Guo Qing Luo

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引用次数: 0

摘要

提出了一种大频率比、高隔离度的双频结构反射天线。该天线由工作在毫米波(mmW)频段的4 × 4衬底集成波导(SIW)腔背槽天线阵列和滤波贴片天线组成。毫米波阵列的整体结构作为s波段滤波贴片天线的辐射体。为了提高信道隔离性，在毫米波天线处采用具有高通性能的小波天线，在s波段处采用具有带通滤波性能的贴片天线。仿真结果表明，该天线工作在3.37 ~ 3.62GHz和24.33 ~ 27.59 GHz频段，S11 < -10 dB。两个通道之间的隔离级别在s波段为130 dB，在mmW波段为60 dB。

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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A Dual-Band Structure-Reused Antenna With Large Frequency Ratio and High Isolation

A dual-band structure-resued antenna with large frequency ratio and high isolation is presented. The antenna is consists of a 4 × 4 substrate integrated waveguide (SIW) cavity-backed slots antenna array working at millimeter-wave (mmW) band and a filtering patch antenna. The overall structure of the mmW array is reused as the radiator of the filtering patch antenna at S-band. To improve the channel isolation, SIW with highpass performance is used at mmW antenna and a patch antenna with bandpass filtering performance is used at S-band. Simulated results show that the proposed antenna works at 3.37 GHz to 3.62GHz and 24.33 GHz to 27.59 GHz with |S11| < -10 dB. The isolation level between two channels is 130 dB at S-band and 60 dB at mmW band, respectively.

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来源期刊

2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)

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