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兵工学报  2012 

噪声连续波雷达脉压输出主旁瓣比推导与分析

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Keywords: 雷达工程,噪声连续波,脉冲压缩,多普勒,信噪比,主旁瓣比

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Abstract:

?针对噪声连续波雷达(NCWR)参数选取、旁瓣抑制及多普勒容限扩展问题,研究了NCWR脉压输出主旁瓣比与脉压长度、多普勒频率和回波信噪比等参数的关系。NCWR脉压输出旁瓣表现为随机波动的噪声基底,通过对其统计特性研究分别推导了统计主瓣均方旁瓣比(SMMSSR)和统计主瓣峰值旁瓣比(SMPSR)的数学表达式。对影响SMMSSR和SMPSR的参数进行了分析。计算机仿真验证了推导结论的正确性。

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