Mechanism and protection on the data link of UAV exposed to electromagnetic interference

Zhao Min; Xu Tong; Cheng Erwei; Zhou Xing; Sun Liang; Chen Yazhou

doi:10.11884/HPLPB202133.200263

Volume 33 Issue 3

Mar. 2021

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Article Navigation > High Power Laser and Particle Beams > 2021 > 33(3): 033005

Zhao Min, Xu Tong, Cheng Erwei, et al. Mechanism and protection on the data link of UAV exposed to electromagnetic interference[J]. High Power Laser and Particle Beams, 2021, 33: 033005. doi: 10.11884/HPLPB202133.200263

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Zhao Min, Xu Tong, Cheng Erwei, et al. Mechanism and protection on the data link of UAV exposed to electromagnetic interference[J]. High Power Laser and Particle Beams, 2021, 33: 033005. doi: 10.11884/HPLPB202133.200263

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Mechanism and protection on the data link of UAV exposed to electromagnetic interference

doi: 10.11884/HPLPB202133.200263

1.
National Key Laboratory on Electromagnetic Environment Effects, Army Engineering University, Shijiazhuang 050003, China
2.
Company of Hebei Dehai Electronic Technology, Shijiazhuang 050200, China

Received Date: 2020-09-14
Rev Recd Date: 2021-01-18

Available Online: 2021-03-30

Publish Date: 2021-03-05

Abstract

Abstract

To solve the problem that the data link of the unmanned aerial vehicle (UAV) is vulnerable to electromagnetic interference during the flight and cause the link interruption, we took a certain data link of UAV as our research object, and proposed an experimental method of injection effect based on front door coupling. On this basis, we developed the effect experiment for the data link of UAV. We derived the sensitivity threshold curve of the data link and determined the sensitivity threshold, analyzed the work principle of RF front end circuit of the data link and the signal transmission process of the receiver under the effect of electromagnetic interference, revealed the mechanism of combined frequency interference and out of band saturation interference on data link, and finally carried out the experimental verification. Based on the test results, we put forward the corresponding protective methods from the aspects of the circuits level and adaptive control respectively.
- data link,
- electromagnetic interference,
- sensitive effect experiment,
- mechanism of action,
- protection method

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References(22)

References

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