无人机收发信机快沿电磁脉冲效应研究

李岩; 程二威; 张冬晓; 张庆龙; 陈亚洲

doi:10.11884/HPLPB201830.180127

无人机收发信机快沿电磁脉冲效应研究

doi: 10.11884/HPLPB201830.180127

陆军工程大学强电磁场环境模拟与防护技术国防重点实验室, 石家庄 050003

基金项目:

国家自然科学基金项目 51677191

详细信息

作者简介:
李岩(1993－)，男，硕士，主要研究方向为装备电磁环境效应及防护加固; 1594389773x@qq.com

通讯作者:
陈亚洲(1975－)，男，博士，教授，博士生导师，主要研究方向为强电磁场环境模拟、电磁环境效应与防护; chen_yazhou@sina.com

中图分类号: TJ43;O441
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出版历程
- 收稿日期: 2018-05-02
- 修回日期: 2018-07-22
- 刊出日期: 2018-10-15

Effect of fast rise-time electromagnetic pulse on UAV transceiver

Institute of Electrostatic & Electromagnetic Protection, Army Engineering University, Shijiazhuang 050003, China

摘要

摘要: 为了探究快沿电磁脉冲(FRTEMP)对无人机收发信机的损伤效应，以某型无人机收发信机为研究对象，通过快沿双指数脉冲Marx源与GTEM室模拟产生快沿电磁脉冲对收发信机进行辐照实验。以收发信机是否损坏无法工作为收发信机是否受到电磁脉冲损伤的判别依据，同时进一步检测收发信机内部电路具体损坏器件。实验结果表明，快沿电磁脉冲能够造成无人机收发信机损坏，得到了导致无人机收发信机损坏的快沿电磁脉冲场强阈值。对损坏的无人机收发信机进行机理分析和检测，结果表明，本振电路损坏导致收发信机无法输出工作信号，而锁相环是导致本振无法工作的的关键原因，通过定位到具体受损器件可以进行进一步脉冲防护工作以及为易损器件加装防护提供基础。
- 无人机 /
- 收发信机 /
- 本振 /
- 锁相环 /
- 电磁脉冲效应
Abstract: In order to explore the damage threshold of the fast electromagnetic pulse (FRTEMP) to the transceiver of UAV, a UAV transceiver is taken as the equipment under test(EUT), and a type of pulse source along the GTEM chamber is used to generate the fast electromagnetic pulse to irradiate the transceiver. The transceiver's failure to work is taken as the criteria of electromagnetic pulse damage, and after then, the inner circuit of the transceiver is detected to determine the damaged device. The experimental results show that the electromagnetic pulse can cause damage to the transceiver of UAV, and the electromagnetic field threshold of the electromagnetic pulse is obtained. The damaged UAV transceiver mechanism analysis and testing results show that the local oscillator circuit damage makes the transceiver unable to output signals, and phase-locked loop (PLL) damage is the key reason why the oscillator is unable to work. Determination of the specific damaged device can provide a basis for the protection of vulnerable devices.
- UAV /
- transceiver /
- local-oscillator /
- phase-locked loop /
- electromagnetic pulse effect

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图 1 实验结构简图

Figure 1. Experimental configuration sketch

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图 2 快沿双指数脉冲Marx源波形

Figure 2. Pulse source waveform

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图 3 收发信机工作波形

Figure 3. Work waveform of transceiver

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图 4 实验设置

Figure 4. Experimental configuration

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图 5 本振电路结构

Figure 5. Local oscillator circuit structure

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图 6 晶振输出波形

Figure 6. Crystal oscillator output waveform

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图 7 单片机输出波形

Figure 7. Output waveform of single chip microcomputer

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表 1 实验结果

Table 1. Results of experiments

E/(V·m^-1)	wave form	results
200	have a peak	normal
400	have a peak	normal
800	have a peak	normal
1200	the peak disappeared and reappeared	return to normal after shutting down
1600	the peak disappeared and reappeared	return to normal after shutting down
1600	the peak disappeared	damaged

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