多PRI采样联合cICA的抗主瓣欺骗干扰方法  

A Suppression Method for Mainlobe Deception Jamming Joint Multiple PRI Sampling and cICA

作　　者：董玮[1] 李小波[1] 黄中瑞[1] 李欣欣[1] 

机构地区：[1]电子工程学院,安徽合肥230037

出　　处：《信号处理》2016年第11期1339-1346,共8页Journal of Signal Processing

摘　　要：针对单通道雷达主瓣受到欺骗干扰,提出了一种多脉冲重复间隔(PRI)采样结合约束独立分量分析(cICA)的抗干扰方法。该方法首先根据距离密集假目标干扰,建立了基于多PRI采样的抗干扰模型并对其可行性进行证明,然后利用cICA方法对目标回波信号进行提取,最后进行匹配滤波处理实现峰值检测,达到抗干扰效果。理论分析和仿真实验表明,该算法在距离密集假目标干扰背景下能够有效提取目标回波信号达到抗主瓣干扰的效果。A suppression method is presented by muti-PRI and constraint ICA under the circumstance of single channel ra- dar mianlobe deception jamming. At first, the model of mainlobe range dense false target deception jamming suppression based on muti-PRI is given and proved. Then it separates the mixed signal and extract target echo signal by clCA algo- rithm. Finally, it acheives jamming suppression effect after matched filtering and peak detection. Theoretical analysis and computer simulation results demonstrates that the proposed method has a good performance of jamming suppression effect by extraction the target echo signal under the background of range dense false target jamming.

关 键 词：脉冲重复间隔 抗主瓣干扰 距离密集假目标 约束独立分量分析 

分 类 号：TN972[电子电信—信号与信息处理]