Research on Electromagnetic Effect of Unmanned Aerial Vehicle Data Link Based on Injection Method

DU Baozhou; CHEN Yazhou; GAO Wanfeng; LIU Lili; CHENG Erwei; ZHANG Dongxiao

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Research on Electromagnetic Effect of Unmanned Aerial Vehicle Data Link Based on Injection Method

更新时间：2025-12-08

- Research on Electromagnetic Effect of Unmanned Aerial Vehicle Data Link Based on Injection Method
- Vol. 44, Issue 10, Pages: 3322-3327(2018)
- 作者机构：
  
  1. 中国人民解放军63850部队
  2. 陆军工程大学石家庄校区强电磁场环境模拟国防重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 October 2018，
  
  Published：2018
- 稿件说明：
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DU Baozhou, CHEN Yazhou, GAO Wanfeng, et al. Research on Electromagnetic Effect of Unmanned Aerial Vehicle Data Link Based on Injection Method[J]. 2018, 44(10): 3322-3327.
DOI：

DU Baozhou, CHEN Yazhou, GAO Wanfeng, et al. Research on Electromagnetic Effect of Unmanned Aerial Vehicle Data Link Based on Injection Method[J]. 2018, 44(10): 3322-3327. DOI：

摘要

针对无人机数据链易受到电磁干扰而导致通信中断的问题

为客观评价无人机数据链对不同频率、功率的连续波干扰信号的电磁敏感度。以某型无人机数据链系统为研究对象

开展连续波干扰信号注入试验

研究连续波干扰情况下数据链的失锁效应以及失锁机理。通过实验得到了导致无人机数据链失锁的敏感频带以及干扰信号阈值

分析了数据链通信中断机理。实验结果表明

对于同频干扰信号

当注入至接收机前端的干扰信号为-83.2 dB时

即可导致数据链通信中断

为无人机数据链干扰预测打下良好的基础。

Abstract

Aiming at the problem that the data link of the unmanned aerial vehicle（UAV） data link is susceptible to electromagnetic interference

we objectively analyzed the electromagnetic sensitivity of continuous wave interference signals of different frequency and power. Taking the data link system of UAV as a research object

we experimentally investigated the continuous wave jamming signal injection and the mechanism of loss of lock in case of equivalent continuous wave interference. The sensitive band and the threshold of the interference signals were obtained through the experiments of electromagnetic interference. Moreover

we analyzed the communication interruption mechanism of data link. Experimental results show that

for the same frequency interference signals

when the interference signal injected into the front of the receiver is-83.2 dB

data link communication may be interrupted.The results lay a good foundation for the analysis of data link interference prediction.

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