多机协同干扰组网雷达的资源调度方法  

Resource Allocation for Multi-Jammer Cooperatively Jamming Netted Radar Systems

作　　者：孙俊 张大琳 易伟 SUN Jun;ZHANG Dalin;YI Wei(School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)

机构地区：[1]电子科技大学信息与通信工程学院,四川成都611731

出　　处：《雷达科学与技术》2022年第3期237-244,254,共9页Radar Science and Technology

摘　　要：针对组网雷达频段宽、空间离散及自由度高而造成的干扰难度大的问题,本文提出一种多干扰机协同压制组网雷达系统的干扰波束和功率资源联合调度方法。首先,基于干扰信号模型以及组网雷达系统和随队支援干扰系统的几何位置关系建立敌方雷达回波信号模型;然后,结合压制干扰环境下敌方雷达回波信号模型,推导了组网雷达的目标检测概率,并将其作为性能指标以量化组网雷达的检测性能;最后,考虑到组网雷达与干扰机的工作频率匹配度给干扰资源分配带来的影响,建立并求解了带有干扰资源约束条件的干扰波束和功率联合优化问题。仿真结果表明,与干扰资源均匀分配方法相比,本文所提的干扰波束与功率资源联合调度方法能有效提升随队支援干扰系统的干扰性能,并降低组网雷达的检测性能。Aiming at the problem that the netted radar system(NRS)is difficult to be interfered effectively due to its wide frequency band,spatial diversity and high degree of freedom,a joint jamming beam assignment and power allocation(JJBAPA)strategy is proposed for multi-jammer cooperatively jamming the NRS in this paper.First,the radar echo model is establish based on the transmitted suppressive jamming signal and the geometric position of the NRS and the escort support jamming(ESJ)system.Then,combined with the characteristics of the radar echo in the suppressive jamming environment,the detection probability of the NRS is derived and used as a performance metric to quantify the detection performance of the NRS.Finally,the effect of the frequency alignment problem between the NRS and the ESJ on jamming resource allocation is taken into account.Combined with the practical jamming resource constraints,the JJBAPA optimization problem is formulated and solved.Simulation results verify the effectiveness and superiority of the proposed JJBAPA strategy in terms of improving the jamming performance of the ESJ system and degrading the detection performance of the NRS compared with the uniform allocation strategy of jamming resources.

关 键 词：协同干扰 干扰资源联合分配 检测概率 组网雷达系统 

分 类 号：TN972[电子电信—信号与信息处理]