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Signal Processing of Multi-Frame Stepped-Frequency Radar Based on Keystone Transform
Author(s): 
Pages: 1023-1026
Year: Issue:  11
Journal: Transactions of Beijing Institute of Technology

Keyword:  步进频多帧距离走动Keystone变换;
Abstract: 针对运动目标在步进帧间跨高分辨距离单元走动的问题,提出了基于Keystone变换的解决方案来补偿运动目标帧间距离走动造成的影响,并分析了利用多帧步进频信号实现运动目标距离-速度二维高分辨检测的信号处理方法及算法性能.理论分析和仿真结果表明,只要参数设计合理,该方法可以在不需要任何先验速度信息的情况下,实现运动目标的帧间相参积累,获得目标的高分辨速度和距离信息.同时,由于多帧处理有效地提高了相参积累时间,更加有利于微弱目标的检测.
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