多预警机雷达信息融合的多普勒盲区目标检测

Fire Control & Command Control(2013)

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Abstract
预警机雷达采用脉冲多普勒体制,不可避免地存在多普勒盲区。在对空工作模式下,多普勒盲区会导致目标频繁暂消和重复起批。在深入分析预警机雷达多普勒盲区目标的检测问题的基础上,构建了基于多站信息融合的分布式恒虚警率目标检测器。通过理论推导确定了融合规则,给出了局部雷达全空时处理条件下的目标检测广义似然比和虚警门限。仿真结果表明,该方法能够显著提高对落入多普勒盲区内的目标点迹的检测概率,同时改善了目标航迹质量,具有一定的实际意义和应用价值。
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Key words
distributed detection,blind Doppler zone,AEW radar,generalized likelihood ratio,information fusion
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