Motion Compensation for High-Resolution Automobile FMCW SAR
Motion Compensation for High-Resolution Automobile FMCW SAR
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DOI：
10.1109/lgrs.2012.2234435
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发表时间：
2013-02
影响因子：
4.8
通讯作者：
Robert Wang;Yunhua Luo;Yunkai Deng;Zhimin Zhang;Yue Liu
中科院分区：
文献类型：
--
作者：
Robert Wang;Yunhua Luo;Yunkai Deng;Zhimin Zhang;Yue Liu
本文提出了一种高分辨率汽车调频连续波（FMCW）合成孔径雷达（SAR）运动补偿方案。提出了运动误差模型，通过与机载SAR的运动误差比较，分析了汽车FMCW SAR的运动误差特征，并提出了一种有效的补偿方法，在高分辨率的情况下，既能处理运动误差，又能保持数据集中。最后，利用模拟FMCW SAR数据和中国科学院电子研究所获取的实际数据，对所建立的运动误差模型和补偿方法进行了验证。结果表明，该方法可以很好地应用于汽车FMCW SAR。
This letter presents a motion compensation solution for high-resolution automobile frequency-modulated continuous-wave (FMCW) synthetic aperture radar (SAR). The motion error model is proposed, and the characteristics of the motion error in automobile FMCW SAR are analyzed by comparing with that of airborne SAR. Furthermore, an effective compensation approach is presented, which can handle motion error while keeping the data well focused in the case of high resolution. Finally, we validate the formulated motion error model and compensation method by using simulated FMCW SAR data as well as the real data that were acquired by the Institute of Electronics, Chinese Academy of Sciences. The results show that the proposed method can work well for automobile FMCW SAR.