高重频脉冲对被动导引头的干扰效能分析
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摘要
高重频脉冲干扰可压制宽带接收机,从而实现对反辐射武器的防护以保护雷达的安全。为进一步分析其对被动导引头的干扰效能,从高重频脉冲的信号特征出发,首先分析了干扰脉冲对被动导引头的作用机理;其次考虑与雷达的电磁兼容问题进而明确干扰机的部署位置,提出利用有效压制区和导引头末制导失效区对高重频脉冲的干扰效能进行分析;最后分别对有效压制区及末制导失效区进行仿真,从而得到干扰信号的有效作用区,以此分析对雷达的保护效果。结果表明,高重频脉冲既能对被动导引头实现压制,同时也能降低导引头的测向精度从而影响末制导过程,是对抗被动导引头的有效手段。
High pulse repetition frequency( PRF) pulses can suppress wide-band receivers to achieve interference with anti-radiation weapons to protect the radar. In order to analyze the interference efficacy of passive seeker,starting from the signal characteristics of the high PRF pulses,the mechanism of the interference pulses on the passive seeker was firstly analyzed. Secondly,considering the electromagnetic compatibility of the radar and further clarifying the location of the jammer,and a method of using effective suppression area and invalid zone of the final guidance to analyze the interference efficacy was proposed. Finally,the effective suppression area and invalid zone of the final guidance were simulated,and then the effective interference area was displayed,which can be used to analyze the protect effect of radar. The results show that high PRF pulses can not only suppress the passive seeker,but also reduce the direction-finding accuracy and affect the final guidance process,which is an effective countermeasure against passive seekers.
High pulse repetition frequency( PRF) pulses can suppress wide-band receivers to achieve interference with anti-radiation weapons to protect the radar. In order to analyze the interference efficacy of passive seeker,starting from the signal characteristics of the high PRF pulses,the mechanism of the interference pulses on the passive seeker was firstly analyzed. Secondly,considering the electromagnetic compatibility of the radar and further clarifying the location of the jammer,and a method of using effective suppression area and invalid zone of the final guidance to analyze the interference efficacy was proposed. Finally,the effective suppression area and invalid zone of the final guidance were simulated,and then the effective interference area was displayed,which can be used to analyze the protect effect of radar. The results show that high PRF pulses can not only suppress the passive seeker,but also reduce the direction-finding accuracy and affect the final guidance process,which is an effective countermeasure against passive seekers.
引文
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[15]刘家祺,欧阳中辉,王董静.被动雷达导引头抗干扰性能评估[J].科学技术与工程,2013,13(3):721-725.LIU Jia-qi,OUYANG Zhong-hui,WANG Dong-jing. Anti-Jamming Capability Evaluation of Passive Radar Seeker[J]. Science Technology and Engineering,2013,13(3):721-725.
[16]孟跃宇,吴华,程嗣怡,等.对雷达导引头干扰效能多级模糊综合评估[J].火力与指挥控制,2015,40(11):58-61.MENG Yue-yu,WU Hua,CHENG Si-yi,et al. Muti-Level Fuzzy Systhenic Evaluation of Jamming Effectiveness on Radar Seeker[J]. Fire Control&Command Control,2015,40(11):58-61.
[2]陈志坤,乔晓林,李风从.基于极化波束形成的相控阵雷达导引头抗干扰技术研究[J].航空兵器,2016,(6):16-20.CHEN Zhi-kun,QIAO Xiao-lin,LI Feng-cong. Research on Anti-Interference Technology for Phased Array Radar Seeker Based on Polarized Beam Synthesis[J]. Aero Weaponry,2016,(6):16-20.
[3]孙龙祥,羌洪发.高重频脉冲干扰技术探索[J].中国电子科学研究院学报,2006,(2):147-151.SUN Long-xiang,QIANG Hong-fa. Exploration for the Jamming Techniques of Pulse with High PRF[J]. Journal of CAEIT,2006,(2):147-148.
[4]赵宇姣.基于高重频超宽带脉冲的雷达干扰技术研究[D].西安:电子科技大学,2010.ZHAO Yu-jiao. Radar Interference Technology Research Based on the High Repetition Frequency Ultra-Wideband Pulse[D]. Xi'an:Xidian University,2010.
[5]魏敬义.雷达接收机中的非线性失真[J].现代雷达,1998,20(1):95-96.WEI Jing-yi. The Non-Linear Distortion in Radar Receiver[J]. Modern Radar,1998,20(1):95-96.
[6]汪海洋,李家胤,周翼鸿,等. PIN限幅器PSpice模拟与实验研究[J].强激光与粒子束,2006,18(1):88-92.WANG Hai-yang,LI Jia-yin,ZHOU Yi-Hong,et al. Experimental Study and PSpice Simulation of PIN Diode Limiter.[J]. High Power Laser and Particle Beams,2006,18(1):88-92.
[7]周颖,甘德云,许宝民,等.反辐射武器攻防对抗理论[M].北京:电子工业出版社,2012.ZHOU Ying,GAN De-yun,XU Bao-min,et al. Theory of Attack and Defense Against Anti Radiation Weapons[M]. Beijing:Publishing House of Electronics Industry,2012.
[8]林象平.雷达对抗原理[M].西安:西北电讯工程学院出版社,1985.LIN Xiang-ping. Principles of Radar Countermeasure[M]. Xi'an:Northwest Telecommunications Engineering Institute Press,1985.
[9]曾禹村.信号与系统[M].北京:北京理工大学出版社,2010.ZENG Yu-cun. Signals and Systems[M]. Beijing:Beijing Institute of Technology Press,2010.
[10]陈军.接收机三阶互调失真影响的分析[J].现代雷达,1998,20(5):89-92.CHEN Jun. Analysis of Influence on Third-Order Intermodulation Distortion in Receiver[J]. Modern Radar,1998,20(5):89-92.
[11]朱斌,金炜东,余志斌.雷达脉冲上升/下降沿测量影响因素分析模型[J].电讯技术,2011,51(10):24-27.ZHU Bin,JIN Wei-dong,YU Zhi-bin. Factors Analysis Model for Radar Pulse Rising/Falling Edge Measurement[J]. Telecommunication Engineering,2011,51(10):24-27.
[12]赵国庆.雷达对抗原理[M].西安:电子科技大学出版社,1999.ZHAO Guo-qing. Principles of Radar Countermeasure[M]. Xi'an:Xidian University Press,1999.
[13]赵树杰,赵建勋.信号检测与估计理论[M].北京:电子工业出版社,2005.ZHAO Shu-jie,ZHAO Jian-xun. Signal Detection and Estimation Theory[M]. Beijing:Publishing House of Electronics Industry,2005.
[14]杨远志,王星,陈游,等.主动雷达导引头干扰效能评估指标体系的构建与简约[J].现代雷达,2016,38(8):7-12.YANG Yuan-zhi,WANG Xing,CHEN You,et al. Construction and Reduction of Active Radar Seeker Jamming Effectiveness Evaluation Index System[J]. Modern Radar,2016,38(8):7-12.
[15]刘家祺,欧阳中辉,王董静.被动雷达导引头抗干扰性能评估[J].科学技术与工程,2013,13(3):721-725.LIU Jia-qi,OUYANG Zhong-hui,WANG Dong-jing. Anti-Jamming Capability Evaluation of Passive Radar Seeker[J]. Science Technology and Engineering,2013,13(3):721-725.
[16]孟跃宇,吴华,程嗣怡,等.对雷达导引头干扰效能多级模糊综合评估[J].火力与指挥控制,2015,40(11):58-61.MENG Yue-yu,WU Hua,CHENG Si-yi,et al. Muti-Level Fuzzy Systhenic Evaluation of Jamming Effectiveness on Radar Seeker[J]. Fire Control&Command Control,2015,40(11):58-61.