High-Scanning-Rate Leaky-Wave Antenna With Simple Structure and Low Profile

Siyuan Lei, Gao Wei, Tiancheng Qiu, Min Wang

科研成果: 期刊稿件文章同行评审

摘要

This letter proposes a novel high-scanning-rate leaky-wave antenna (LWA) characterized by a simple structure and low profile. The high-scanning rate and high-order harmonic suppression principles of the proposed meandering structure are first analyzed. Two types of high-scanning-rate LWAs are designed to verify the principle. Longitudinal elliptical and butterfly-shaped slots are etched onto the meandering substrate integrated waveguide to radiate linearly and circularly polarized beams, respectively. The open stopbands for both antennas are effectively suppressed. Prototypes are fabricated and measured. The measured results indicate that the linearly polarized antenna achieves a scanning range of 140° and a scanning rate of 9.2, while the corresponding parameters of the circularly polarized antenna are 90° and 11.3, with the axial ratios lower than 3 dB.

源语言英语
页(从-至)868-872
页数5
期刊IEEE Antennas and Wireless Propagation Letters
24
4
DOI
出版状态已出版 - 2025

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