低频极化重构的大频率比双带漏波天线

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-07-08 DOI:10.1109/LAWP.2025.3587051

Daosheng Huang;Feng Liang;Bing-Zhong Wang

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引用次数: 0

摘要

提出了一种基于大频率比3.4的双模微带传输线的双频漏波天线。通过加载周期开路微带分支，MTL可以分别在微波波段的准tem模式和毫米波波段的准te0.5、0模式下工作。利用周期性排列的矩形寄生斑在微波波段产生辐射。在寄生贴片上加载梳槽，减小毫米波波段微波辐射的影响，并分别在10.3 GHz和12.2 GHz激发矩形寄生贴片的TM01和TM10模式，实现频控极化可重构性。在双模MTL上加载横向槽，产生毫米波波段的辐射。该天线在9ghz ~ 13ghz频率范围内具有极化可重构性。该天线在9 GHz ~ 13 GHz频段可实现58°（- 40°~ 18°）的波束转向范围，在32.6 GHz ~ 40 GHz频段可实现38°（-42°~ - 6°）的波束转向范围。

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Large Frequency-Ratio Dual-Band Leaky-Wave Antenna With Low-Frequency Polarization Reconfiguration

A dual-band leaky-wave antenna based on dual-mode microstrip transmission lines (MTLs) with a large frequency ratio of 3.4 is presented. By loading the periodic open microstrip branches, the MTL can operate on the quasi-TEM mode in microwave band and quasi-TE_0.5,0 mode in millimeter-wave band, respectively. Rectangular parasitic patches with periodic arrangement are used to generate radiation in the microwave band. Comb slots are loaded on the parasitic patch to reduce the effect of the microwave radiation on millimeter-wave band, and it also excites the TM₀₁ and TM₁₀ modes of the rectangular parasitic patch at 10.3 GHz and 12.2 GHz, respectively, to achieve frequency-controlled polarization reconfigurability. Transverse slots are loaded on the dual-mode MTL to generate radiation in the millimeter-wave band. The fabricated antenna shows polarization reconfigurability in the frequency range of 9 GHz to 13 GHz. And the antenna can achieve a beam steering range of 58° (−40° to 18°) in the 9 GHz to 13 GHz and 38° (–42° to −6°) in the 32.6 GHz to 40 GHz.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.