一种对相位编码雷达导前假目标干扰的新方法  

New Method of Preceded False Target Jamming Against Phase-coded Radars

作　　者：甄晓鹏 艾小锋[1] 李永祯[1] 冯德军[1] 

机构地区：[1]国防科技大学电子信息系统复杂电磁环境效应国家重点实验室,湖南长沙410073

出　　处：《现代防御技术》2016年第2期43-47,108,共6页Modern Defence Technology

基　　金：国家自然科学基金(61372170)

摘　　要：相位编码脉冲雷达匹配滤波器不具色散效应的独特优势,使得对其进行导前假目标干扰成为技术难点与研究热点。首先分析了相位编码信号的特性,提出一种针对对称结构相位编码序列的部分码复制反向转发干扰方法,并对假目标导前距离、所需干扰功率与复制码元长度的关系作了详细分析。理论分析及仿真结果表明,该方法实现途径简单,是一种颇具潜力的新型干扰方法。Phase-coded radar has no dispersion effect, so its unique advantage makes the preceded false target jamming against phase coded radars become one of the technical difficulties and research focu- ses. The characteristics of phase-coded signal are analyzed first. Aimed at the symmetric phase-coded se- quence, a novel jamming approach, partial elements copy and reverse repeater, for forming preceded false targets is proposed. Then the relations between the distance of the preceded false target, the requirement for repeater power and the length copied are analyzed in detail. Theoretical analysis and simulation results show that the new jamming method is easy to achieve and has potential value in practice.

关 键 词：相位编码 模糊函数 M序列 部分码复制 反向转发 导前假目标 

分 类 号：TN95[电子电信—信号与信息处理] TN972[电子电信—信息与通信工程]