基于正弦调相的ISAR干扰方法  

A Jamming Method to ISAR Based on Sinusoidal Phase Modulation

作　　者：李源[1] 刘建新[1] 陈惠连[1] 

机构地区：[1]中国工程物理研究院电子工程研究所,四川绵阳621900

出　　处：《信号处理》2007年第1期101-105,共5页Journal of Signal Processing

基　　金：中国工程物理研究院重大基金项目资助(No.200220402)

摘　　要：为了实现对ISAR干扰,本文从目标一维距离像及ISAR运动补偿的角度,提出了基于正弦调相的ISAR干扰方法。文中对干扰信号如何影响距离像、影响运动补偿进行了详细的理论分析,给出了干扰造成ISAR图像失真的理论依据。并进行了基于实测数据的仿真实验。结果表明,基于正弦调相的ISAR干扰方法可以较好地干扰ISAR的一维距离像和最终的二维像,并具有压制干扰和类似欺骗干扰的双重效果,是一种对付ISAR的有效干扰手段。A jamming method to ISAR based on the sine phase modulated is proposed in this paper. How the jamming signal affects the range profile of the target and the motion compensation is analyzed in detail. The theory foundation of that jamming signal causes the distortion of ISAR image is put forward as well. Furthermore, simulation experiment has been done based on the raw data. The result shows that,this method can jam 1-D range profile and 2-D image of the target remarkably,and possess dual effects in beth barrage and deception jamming. So it is an effective jamming means.

关 键 词：逆合成孔径雷达 运动补偿 距离像 欺骗干扰 压制干扰 

分 类 号：TN958[电子电信—信号与信息处理]