空空导弹弹载SAR信号分析与成像研究  

Signal Analysis and Imaging Processing of Air-to-air Missile Borne SAR

作　　者：李军显[1,2] 刘岩[3] 

机构地区：[1]河南科技大学电子信息工程学院,河南洛阳471003 [2]航空制导武器航空科技重点实验室,河南洛阳471009 [3]第二炮兵工程学院,西安710025

出　　处：《弹箭与制导学报》2008年第6期35-37,48,共4页Journal of Projectiles,Rockets,Missiles and Guidance

基　　金：航空科技航空制导武器重点实验室基金资助

摘　　要：文中针对空空弹载SAR平台运动速度快和大斜视角的特点,在建立弹载SAR空间几何模型的基础上,研究了导弹-目标飞行过程中回波信号的相位近似误差,设计了改进的Chirp Scaling(CS)算法并得到了聚焦的目标图像,理论分析和仿真表明了算法的有效性。Focused on signal characteristics and imaging processing of air-to-air borne missile SAR, the geometric missile borne SAR model was built and approximate phase error of echo was analyzed according to high flight speed and big squint angle. Analysis and simulation based on the proposed modified chirp sealing algorithm show that the algorithm is valid and focused image can be obtained.

关 键 词：空空导弹 成像处理 回波信号 CS算法 

分 类 号：TJ762.23[兵器科学与技术—武器系统与运用工程]