海杂波下距离扩展目标的最优二进制检测

Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics(2011)

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Abstract
研究了低擦地角下高分辨雷达对静止或慢速运动的距离扩展目标的最优二进制检测问题。采用K分布模型描述低擦地角下海杂波的统计分布,采用Rayleigh快起伏模型描述扩展目标距离像的幅度分布,详细分析了扩展目标二进制检测器参数与扩展目标径向长度、杂波形状参数之间的关系,最终得到最优二进制检测器的参数选择准则和经验公式,对二进制检测器的实际应用具有较强的指导意义。理论和实测杂波数据证明了最优二进制检测器的有效性。
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Key words
Binary detection,K-distribution,Likelihood ratio test,Range-extended target,Sea clutter
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