高速弹载雷达目标相参积累技术研究  

Study on Coherent Integration for High-speed Missile-borne Radar

作　　者：张都川 文才[1] 刘辉[1] 

机构地区：[1]西安电子工程研究所,陕西西安710100

出　　处：《电子科技》2017年第3期174-177,共4页Electronic Science and Technology

摘　　要：导弹高速运动带来的距离走动和多普勒扩展会影响目标的相参积累性能。针对这一问题,提出了基于惯导信息的运动补偿方法。该方法充分考虑了弹载雷达高数据率的要求,能够解决径向速度带来的距离走动和径向加速度带来的多普勒扩展。仿真结果表明,该方法可使信噪比约改善5 d B。Range migration and Doppler spread caused by high - speed motion of radar seeker would affect the performance of coherent integration. To solve this problem, a novel motion compensation method based on the inertial navigation system is proposed. In the proposed method, the high data rate requirement of missile - borne radar has been fully considered, and the range migration caused by radial velocity and the Doppler spread caused by radial ac- celerator could be removed. Simulation results show that there is about 5dB signal - to - noise - ratio improvement using the proposed method.

关 键 词：距离走动 多普勒扩展 运动补偿 相参积累 

分 类 号：TN957.52[电子电信—信号与信息处理]