一种用于24ghz汽车雷达的串联馈电低旁瓣天线

IF 0.6 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Electromagnetics Pub Date : 2023-02-17 DOI:10.1080/02726343.2023.2192091

Wenbo Li, Bin Wang, Xue Tian

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引用次数: 0

摘要

提出了一种用于24ghz汽车雷达的低旁瓣串联馈电微带天线阵列。切比雪夫分布是通过相邻天线单元之间不同宽度的四分之一波导波长馈线(λ g /4)来实现的，从而实现低旁瓣电平(SLL)。设计了一种1 × 8天线阵列，24.125 GHz时SLL为−23.1 dB，并将其扩展到2 × 8和8 × 8平面阵列，以提高阵列增益。在24.125 GHz下，2 × 8和8 × 8平面阵列的测量增益分别为17.3 dBi, SLL为- 23.6 dB; 22.1 dBi, SLL为- 24.7 dB。综上所述，两根天线在24 GHz ISM频段性能优异，具有性能好、结构简单、易于集成的特点，可应用于24 GHz汽车雷达。

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A series-fed low sidelobe antenna for 24-GHz automotive radar

ABSTRACT In this paper, a series-fed microstrip antenna array with low sidelobe is presented for 24-GHz automotive radar. Chebyshev distribution is realized by different widths of a quarter-guided wavelength (λ g /4) feedline between adjacent antenna elements, achieving a low sidelobe level (SLL). A 1 × 8 antenna array is designed with the SLL of −23.1 dB at 24.125 GHz, which is extended to 2 × 8 and 8 × 8 planar arrays to improve array gain. The measured gain of 2 × 8 and 8 × 8 planar arrays is 17.3 dBi with an SLL of −23.6 dB and 22.1 dBi with an SLL of −24.7 dB at 24.125 GHz, respectively. In summary, the two antennas have excellent performance in the 24 GHz ISM band with the characteristics of good performance, simple structure, and easy integration, which can be applied to 24-GHz automotive radar.

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来源期刊

Electromagnetics 工程技术-工程：电子与电气

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

6 months

期刊介绍： Publishing eight times per year, Electromagnetics offers refereed papers that span the entire broad field of electromagnetics and serves as an exceptional reference source of permanent archival value. Included in this wide ranging scope of materials are developments in electromagnetic theory, high frequency techniques, antennas and randomes, arrays, numerical techniques, scattering and diffraction, materials, and printed circuits. The journal also serves as a forum for deliberations on innovations in the field. Additionally, special issues give more in-depth coverage to topics of immediate importance. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. Submissions can be made via email or postal mail.