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电子学报  2013 

基于高阶矩函数的雷达目标微动参数估计方法

DOI: 10.3969/j.issn.0372-2112.2013.12.004, PP. 2339-2345

Keywords: 窄带雷达,微动,参数估计,高阶矩

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Abstract:

提出了一种适用于窄带雷达信号的微动参数快速估计方法.该方法首先对目标回波信号进行混频处理,并去除直流分量后计算高阶矩函数,通过检测不同时延下高阶矩虚数部分傅里叶变换累积结果的峰值位置,可快速获得目标部件的旋转频率.然后结合串行消除的方法实现对旋转半径和初相的快速准确估计.最后,仿真验证了该方法的有效性.

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