雷达组网协同探测范围研究

Study on Cooperative Detection Coverage of Radar Network

协同探测具有增加稳定跟踪距离、提早建立目标航迹等优点。当目标为起伏目标时,不同雷达在同一时刻观测到起伏目标的RCS相关性未知,传统的检测融合公式不再适用。在分析目标RCS起伏特性的基础上,提出了多雷达组网对起伏目标的联合检测概率计算模型,根据不同雷达探测起伏目标截面积间的相关程度和分布式检测融合算法,计算获得了雷达组网协同探测稳定跟踪目标的距离范围。通过仿真实验验证了算法的有效性,仿真结果可为雷达网布站提供依据。

Cooperative detection has many advantages such as increased stable tracking range and earlier target track set up, etc. The traditional detection fusion formula is no longer suitable for a fluctuating target, since the correlativity between the target radar cross sections observed by different radars are unknown at the same time. Based on the analysis of target radar cross section fluctuation characteristics, a joint detection probability calculation model of the fluctuating target by multi-radar is proposed. According to the degree of correlation between the target radar cross sections detected by different radars and the fusion algorithm of distributed detection, the cooperative detection range of radar network is calculated. The effectiveness of the algorithm is verified by simulation experiment. The simulation results can be used as the guidance to radar network deployment.