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电子学报  2015 

外辐射源雷达模糊函数副峰抑制算法研究

DOI: 10.3969/j.issn.0372-2112.2015.06.003, PP. 1058-1064

Keywords: 外辐射源雷达,模糊函数,副峰抑制,广义旁瓣对消

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Abstract:

外辐射源雷达模糊函数副峰可能会导致检测虚警及弱小目标遮蔽.为抑制模糊函数副峰,提出了一种基于广义旁瓣对消结构的接收机滤波器设计方法,得到了广义旁瓣对消滤波器的闭式解,定量分析了该方法的信噪比损失,指出了副峰高度等因素与信噪比损失的关系.为避开滤波器设计中的高维矩阵求逆运算,提出了快速实现方法.理论分析及基于实测数据的数值计算结果表明,算法能将模糊函数副峰抑制到任意高度,且具有最小的信噪比损失.

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