考虑目标回波的两点源反向交叉眼干扰建模
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摘要
单脉冲雷达广泛用于导弹末制导以对飞机、舰船目标实施精确打击。针对单脉冲雷达抗干扰性强的特点,该文采用交叉眼对单脉冲雷达进行干扰,在考虑交叉眼的反向天线结构下,基于雷达方程、单脉冲雷达测角原理,以比相单脉冲雷达为干扰对象,对隔离目标回波和考虑目标回波下的两点源反向交叉眼干扰进行建模,基于线性拟合的分析方法得到了两点源反向交叉眼参数与单脉冲雷达指示角的一般性公式。并通过案例仿真探讨了干扰机功率、信号相位差、信号幅值比及目标回波相位等参数对单脉冲雷达角度欺骗效果的影响。结果表明:干扰机发射的两路信号相位差越接近180°,幅值比越接近1,干扰机对单脉冲雷达角度欺骗效果越好;在JSR(干信比)为10～25 dB之间时,随着干扰机功率的增大,相同干扰效果下干扰机参数容限越宽松;受目标回波相位变化影响,两点源交叉眼干扰效果不稳定;数学模型与单脉冲雷达接收机仿真模型结果一致。该文研究可为飞机、舰船搭载反向交叉眼干扰机设计提供参考。
In view of the strong anti-jamming capability of monopulse radar, the cross eye is used to interfere with monopulse radar. Monopulse radar is widely used in missile terminal guidance for precise attack on aircraft and ship targets. Based on the radar equation and the principle of monopulse radar angle measurement,the retrodirective cross-eye interference of the isolated target and the two point source under the target echo are modeled. Based on the analysis method of linear fitting, the general formula of two source reverse cross eye parameters and monopulse radar indicating angle are obtained. The influence of jammer power, signal phase difference, signal amplitude ratio and echo signal phase on the angle deception effect of monopulse radar is discussed through case simulation. The results show that: The phase difference of the two signals emitted by the jammer is closer to 180° and the amplitude ratio is closer to 1, the better the angle deception effect of the jammer is to the monopulse radar; with the increase of jammer power, the parameter tolerance of jammers is more relaxed when JSR(10～25 dB) is increased; and due to the influence of target echeo phase, the jamming effect of jammer is unstable; the mathematical model is consistent with the simulation model of monopulse radar receiver. This study can provide reference for the design of reverse cross eye jammers for aircraft and ships.
In view of the strong anti-jamming capability of monopulse radar, the cross eye is used to interfere with monopulse radar. Monopulse radar is widely used in missile terminal guidance for precise attack on aircraft and ship targets. Based on the radar equation and the principle of monopulse radar angle measurement,the retrodirective cross-eye interference of the isolated target and the two point source under the target echo are modeled. Based on the analysis method of linear fitting, the general formula of two source reverse cross eye parameters and monopulse radar indicating angle are obtained. The influence of jammer power, signal phase difference, signal amplitude ratio and echo signal phase on the angle deception effect of monopulse radar is discussed through case simulation. The results show that: The phase difference of the two signals emitted by the jammer is closer to 180° and the amplitude ratio is closer to 1, the better the angle deception effect of the jammer is to the monopulse radar; with the increase of jammer power, the parameter tolerance of jammers is more relaxed when JSR(10～25 dB) is increased; and due to the influence of target echeo phase, the jamming effect of jammer is unstable; the mathematical model is consistent with the simulation model of monopulse radar receiver. This study can provide reference for the design of reverse cross eye jammers for aircraft and ships.
引文
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[21]张娇云.单脉冲雷达导引头建模与仿真研究[D].[硕士论文],西安电子科技大学,2006.ZHANG Jiaoyun.The study on modeling and simulation of monopulse pulse radar seeker[D].[Master dissertation],Xidian University,2006.
[2]LEE S H,LEE S J,CHOI I O,et al.ICA-based phasecomparison monopulse technique for accurate angle estimation of multiple targets[J].IET Radar,Sonar&Navigation,2018,12(3):323-331.doi:10.1049/iet-rsn.2017.0156.
[3]赵珊珊,张林让,李强,等.分布式多站雷达转发式欺骗干扰研究[J].电子与信息学报,2017,39(1):138-143.doi:10.11999/JEIT160118.ZHAO Shanshan,ZHANG Linrang,LI Qiang,et al.Research on repeater jamming against distributed multipleradar system[J].Journal of Electronics&Information Technology,2017,39(1):138-143.doi:10.11999/JEIT160118.
[4]李永祯,胡万秋,陈思伟,等.有源转发式干扰的全极化单脉冲雷达抑制方法研究[J].电子与信息学报,2015,37(2):276-282.doi:10.11999/JEIT140146.LI Yongzhen,HU Wanqiu,CHEN Siwei,et al.Active repeater jamming suppression using polarimetric monopulse radar[J].Journal of Electronics&Information Technology,2015,37(2):276-282.doi:10.11999/JEIT140146.
[5]刘松杨,董春曦,朱颖童,等.基于角度参数特定边界值的旋转交叉眼干扰容限研究[J].电子与信息学报,2016,38(4):906-912.doi:10.11999/JEIT150903.LIU Songyang,DONG Chunxi,ZHU Yingtong,et al.Tolerance analysis of rotating cross-eye jamming based on angle factor specific boundary value[J].Journal of Electronics&Information Technology,2016,38(4):906-912.doi:10.11999/JEIT150903.
[6]SHERMAN S M.Complex indicated angles applied to unresolved radar targets and multipath[J].IEEETransactions on Aerospace and Electronic Systems,1971,7(1):160-170.doi:10.1109/TAES.1971.310264.
[7]FALK L.Cross-eye jamming of monopulse radar[C].Proceedings of the IEEE Waveform Diversity and Design Conference,Pisa,Italy,2007:209-213.
[8]CAO Fei,LIU Qingyun,and WU Fan.The cross-eye jamming mathematical modeling[J].Applied Mechanics and Materials,2013,344:125-128.doi:10.4028/www.scientific.net/AMM.344.
[9]王建路,戴幻尧,张扬,等.反向交叉眼干扰特性建模与仿真[J].雷达科学与技术,2016,14(5):471-477.doi:10.3969/j.issn.1672-2337.2016.05.004.WANG Jianlu,DAI Huanyao,ZHANG Yang,et al.Analysis of cross-eye jamming characteristic with reverse struc-ture[J].Radar Science and Technology,2016,14(5):471-477.doi:10.3969/j.issn.1672-2337.2016.05.004.
[10]LIU Songyang,DONG Chunxi,ZHU Yingtong,et al.Analysis of rotating cross-eye jamming[J].IEEE Antennas and Wireless Propagation Letters,2015,14:939-942.doi:10.1109/LAWP.2014.2387423.
[11]刘松杨,董春曦,董阳阳,等.旋转的正交多点源反向交叉眼干扰分析[J].电子与信息学报,2016,38(6):1424-1430.doi:10.11999/JEIT150919.LIU Songyang,DONG Chunxi,DONG Yangyang,et al.Analysis of rotating ortho gonal multiple elements retrodirective cross-eye jamming[J].Journal of Electronics&Information Technology,2016,38(6):1424-1430.doi:10.11999/JEIT150919.
[12]LIU Tianpeng,LIAO Dongping,WEI Xizhang,et al.Performance analysis of multiple-element retrodirective cross-eye jamming based on linear array[J].IEEETransactions on Aerospace and Electronic Systems,2015,51(3):1867-1876.doi:10.1109/TAES.2015.140035.
[13]王彩云,何志勇,宫俊.多干扰机反向交叉眼干扰分析[J].系统工程与电子技术,2017,39(7):1457-1463.doi:10.3969/j.issn.1001-506X.2017.07.05.WANG Caiyun,HE Zhiyong,and GONG Jun.Analysis ofretro-directive cross-eye jamming for multiple elements[J].Systems Engineering and Electronics,2017,39(7):1457-1463.doi:10.3969/j.issn.1001-506X.2017.07.05.
[14]PLESSIS W P D.Cross-eye gain in multiloop retrodirective cross-eye jamming[J].IEEE Transactions on Aerospace and Electronic Systems,2016,52(2):875-882.doi:10.1109/TAES.2016.140112.
[15]LU Jianrong,LIU Tianpeng,LIU Zhen,et al.Analysis of multi-loop retrodirective cross-eye jamming system for large platform[C].Progress in Electromagnetics Research Symposium,Petersburg,Russia,2017:565-572.
[16]PLESSIS W P D.Analysis of path-length effects in multiloop cross-eye jamming[J].IEEE Transactions on Aerospace and Electronic Systems,2017,53(5):2266-2276.doi:10.1109/TAES.2017.2690538.
[17]PLESSIS W P D.Path-length compensation in multi-loop retrodirective cross-eye jamming[OL].https://www.researchgate.net/publication/320281324.2018.
[18]LIU Tianpeng,LIU Zhen,LIAO Dongping,et al.Platform skin return and multiple-element linear retrodirective crosseye jamming[J].IEEE Transactions on Aerospace and Electronic Systems,2016,52(2):821-835.doi:10.1109.TAES.2016.140949.
[19]PLESSIS W P D.Platform skin return and retrodirective cross-eye jamming[J].IEEE Transactions on Aerospace and Electronic Systems,2012,48(1):490-501.doi:10.1109/TAES.2012.6129650.
[20]黄培康,殷红成,许小剑.雷达目标特性[M].北京:电子工业出版社,2005:112.HUANG Peikang,YIN Hongcheng,and XU Xiaojian.Radar Target Characteristics[M].Beijing:Publishing House of Electronics Industry,2005:112.
[21]张娇云.单脉冲雷达导引头建模与仿真研究[D].[硕士论文],西安电子科技大学,2006.ZHANG Jiaoyun.The study on modeling and simulation of monopulse pulse radar seeker[D].[Master dissertation],Xidian University,2006.