摘要
主、被动雷达同时工作阶段,导引头需要处理的数据包括两个不同数据率且非对准的角度数据,应用主被动数据融合处理的思想和方法进行精确的跟踪将是这一段时间导引头的主要任务。文中提出了一种利用目标先验信息改变权值的"基于最近邻简单方差融合算法",当主动雷达受干扰时,利用目标运动的先验信息判断干扰出现,然后改变融合权值,使受干扰雷达观测数据所占比重减小,进行干扰抑制和跟踪。经过理论分析和仿真试验,证明了该方法能有效地抑制干扰并进行目标跟踪,且具有算法简单、计算量小的特点。
During active radar and passive radar in simultaneous operation, data the missile used includes two asynchronous angle measurements with different data rate. Accurate target tracking is the main task of this period. In this paper, we propose a fusion algorithm based on NNF and covariance with a power changed by the priori target motion. When the active radar is disturbed, the method confirms jamming by the priori target motion, and then changes the power, thus the proportion of disturbed measurement falls. The theoretical analysis and computer simulation show that this algorithm can achieve anti-jamming and target tracking perfectly with low calculation load added.
出处
《雷达科学与技术》
2008年第1期61-64,共4页
Radar Science and Technology
基金
教育部新世纪优秀人才支持计划资助课题
关键词
主被动雷达
角度融合
融合算法
active radar and passive radar
angle fusion
fusion algorithm
