无人机机载天线高功率微波耦合响应研究  

Coupling response of unmanned aerial vehicle antennas underhigh-power microwave radiation

作　　者：赵敏 陈亚洲 周星 聂亚宁 李慧娟 Zhao Min;Chen Yazhou;Zhou Xing;Nie Yaning;Li Huijuan(National Key Laboratory on Electromagnetic Environment Effects,Army Engineering University,Shijiazhuang 050003,China)

机构地区：[1]陆军工程大学石家庄校区电磁环境效应国家重点实验室,石家庄050003

出　　处：《强激光与粒子束》2024年第3期31-40,共10页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(62301605)。

摘　　要：无人机易于受到高功率微波干扰和损伤,无人机机载天线是高功率微波干扰的重要耦合途径。为了研究无人机机载天线高功率微波耦合响应,以数据链天线和导航接收机天线为研究对象,根据无人机实际布局,建立高功率微波辐照下无人机机载天线的耦合模型,通过仿真天线辐射模型远场辐射方向图及S11参数验证天线模型的准确性,得到不同辐照场景和高功率微波辐射场参数下数据链天线和导航接收机天线端口的耦合电压,并进行了典型场景试验验证,结果表明:L波段高功率微波辐照下数据链天线的耦合电压较S、C和X波段更高,相较于水平极化,垂直极化辐射场对无人机数据链的干扰效果更佳,耦合电压与辐射场强成线性关系,受脉宽和前沿的影响较小;空中高功率微波辐照场景下导航接收机天线的耦合电压较地面高功率微波辐照场景更高,该研究将在高功率微波武器打击无人机方面提供理论参考依据。Unmanned aerial vehicle(UAV)is vulnerable to interference and even damage under high-power microwave(HPM)radiation,and its airborne antennas are important coupling pathways.To study the coupling response of its airborne antennas under HPM radiation,taking the datalink antenna and the navigation receiver as the research objects,their coupling models under HPM radiation are established according to the actual layout of the UAV.The accuracy of the antenna models are verified by their far-field pattern and S11 parameter of the antenna.The coupling voltages induced on the ports of the datalink antenna and the navigation receiver antenna under HPM radiation with different scenarios and parameters are obtained,and typical scenario experiment is carried out to verify the simulation results.The results show that the coupling voltage induced on the port of the datalink antenna under Lband HPM radiation is higher than that under S,C and X bands HPM radiation.Compared with the horizontal polarization,HPM with the vertical polarization has better interference effect on the datalink of UAV,and the coupling voltage is linearly related to the radiated field strength and is less affected by the pulse width and the rise time of HPM.The coupling voltage induced on the port of the navigation receiver antenna under space-based HPM is higher than that under ground-based HPM.The research will provide the theoretical references in attacking UAVs with HPM weapons.

关 键 词：高功率微波 无人机 数据链天线 导航接收机天线 耦合响应 

分 类 号：TN97[电子电信—信号与信息处理]