该文研究常规窄带雷达体制下喷气式飞机、螺旋桨飞机和直升机目标的分类问题。首先根据微多普勒效应利用多散射中心模型从理论上分析了飞机目标旋转部件的雷达回波模型；然后针对3类飞机目标回波在多普勒域频率调制的不同，提出一种基于经验模态分解(Empirical Mode Decomposition, EMD)
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Wang et al. (2013) studied this question.
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