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线性调频步进信号雷达微多普勒效 应分析及目标特征提取

Analysis of Micro-Doppler Effect and Feature Extraction of Target in Frequency-Stepped Chirp Signal Radar (1.Telecommunication Engineering Institute,Air Force Engineering University,Xi’an,Shaanxi 710077,China; 2.Key Laboratory of Wave Scattering and Remote Sensing Information ,Fudan University, Shanghai 200433,China;3.Science Institute,Air Force Engineering University,Xi’an,Shaanxi 710051,China)