Research and design of 2.4/4.8/7.2 GHz tri-band antenna of harmonic radar

Liang Zhuanzhuan; Wang Guofu; Qin Mimi; Ye Jincai; Lin Jianqiang

doi:10.11884/HPLPB202335.220337

Volume 35 Issue 3

Mar. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(3): 033004

Liang Zhuanzhuan, Wang Guofu, Qin Mimi, et al. Research and design of 2.4/4.8/7.2 GHz tri-band antenna of harmonic radar[J]. High Power Laser and Particle Beams, 2023, 35: 033004. doi: 10.11884/HPLPB202335.220337

Citation:

Liang Zhuanzhuan, Wang Guofu, Qin Mimi, et al. Research and design of 2.4/4.8/7.2 GHz tri-band antenna of harmonic radar[J]. High Power Laser and Particle Beams, 2023, 35: 033004. doi: 10.11884/HPLPB202335.220337

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Research and design of 2.4/4.8/7.2 GHz tri-band antenna of harmonic radar

doi: 10.11884/HPLPB202335.220337

1.
School of Automation, Guangxi University of Science and Technology, Liuzhou 545006, China
2.
School of Information and Communication, Guilin University of Electronic Technology, Guilin 541004, China

Received Date: 2022-10-13
Rev Recd Date: 2022-11-29

Available Online: 2022-11-30

Publish Date: 2023-03-01

Abstract

Abstract

In this paper, a three-band monopole antenna for hand-held harmonic radar is designed. The antenna is fed by a coplanar waveguide. By loading L-shaped radiating branch on the main radiating body of the monopole antenna and cutting a triangular notch on the ground plane close to the main radiating body, the antenna resonates in three frequency bands: 2.4 GHz, 4.8 GHz and 7.2 GHz. At the same time, a metal baffle is loaded at a distance of 10 mm from the antenna to enhance the directionality of antenna radiation and to receive electromagnetic waves reflected in multiple directions. The size of antenna is 54 mm×53 mm×1.6 mm, and the bandwidth in the three operating frequency bands is 0.51 GHz (2.35−2.86 GHz), 1.39 GHz (4.17−5.56 GHz), 1.46 GHz (6.17−7.63 GHz), respectively. It can effectively cover all the working frequency band of harmonic radar. According to the peak gain and radiation pattern of the antenna, the gain performance and overall radiation performance of the antenna are good in operating frequency band.
- harmonic radar,
- microstrip antenna,
- multiband,
- monopole antenna

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References(15)

References

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