主动雷达导引头海杂波回波信号计算与测试  

Calculation and Test of Sea Clutter Echo Signal for Active Radar Seeker

作　　者：常晓兰 贾志考 苏琪雅 范庆辉 Chang Xiaolan;Jia Zhikao;Su Qiya;Fan Qinghui(Beijing Institute of Remote Sensing Equipment,Beijing 100854,China)

机构地区：[1]北京遥感设备研究所,北京100854

出　　处：《航空兵器》2019年第2期57-61,共5页Aero Weaponry

摘　　要：采用复合制导体制的防空导弹,在其末制导阶段下视攻击低空目标时,主动雷达导引头会接收到较强的地/海杂波,此时进入接收机的杂波信号会严重影响导引头目标的检测和分析。因此,关于杂波的精确计算对评估导引头在杂波下的截获和跟踪能力具有至关重要的意义。本文将主动雷达导引头的试验数据与海杂波理论模型相结合,提出了一种实时计算海杂波回波信号强度的方法。该方法在杂波理论模型的基础上,通过引入试验数据为算法提供标定基准,能够保证海杂波计算结果更加符合实测结果。仿真结果验证了该方法的有效性和可行性。When an anti-aircraft missile with a composite guidance system attacks a low altitude target at the terminal guidance stage, the active radar seeker will receive strong land/sea clutter. The clutter signal entering the receiver will seriously affect the target detection and analysis. So the accurate calculation of clutter has great significance on evaluating the interception and tracking capability of active radar seeker. By combining the experimental date and the sea clutter theoretical model, a real-time calculation method for sea clutter echo signal intensity is proposed. Based on the sea clutter model, this method provides calibration benchmark for algorithm by introducing experimental data, which can ensure that the sea clutter calculation result conforms to the real data. The simulation results show that the proposed method is effective and feasible.

关 键 词：导引头 海杂波 实时计算 试验数据 

分 类 号：TJ765.331[兵器科学与技术—武器系统与运用工程]