对LFM脉压雷达的移频压制干扰技术研究  

A Study on Frequency-shifting Blanket Jamming to LFM Pulse-compression Radar

作　　者：吕波[1] 冯起[1] 袁乃昌[1] 

机构地区：[1]国防科技大学电子科学与工程学院,长沙410073

出　　处：《现代雷达》2009年第1期9-12,17,共5页Modern Radar

摘　　要：分析了移频干扰对线性调频脉冲压缩雷达的干扰效果,提出移频干扰不能作为假目标欺骗干扰应用的观点,其产生的假目标由于不满足目标运动特性,易被雷达识别。研究了移频压制干扰在一定移频条件下实现对线性调频脉压雷达的压制干扰效果,可获得雷达部分压缩增益,因此相对噪声压制干扰,可明显节约干扰功率。仿真验证了结论的正确性。Frequency-shifting jamming to LFM pulse-compression radar is analyzed. The view that frequency-shifting jamming couldnt be used as a deceptive jamming technique is argued. Because the false targets it produced can＇t comply with the targer motion characteristic, the false targets could be easily discriminated by radar. However, frequency-shifting jamming could make radar obtain a train of false targets or covering-pulse type false targets, so it could be used as blanket jamming. It can achieve part of the coherent processing gain. Compared with noise blanket jamming, this technique could reduce the jamming energy and improve the efficiency of jamming power greatly. Computer simulation justified the conclusions.

关 键 词：移频干扰 线性调频 脉冲压缩 欺骗干扰 压制干扰 

分 类 号：TN958[电子电信—信号与信息处理]