实时汽车SAR成像的实现

Kan Tang, Xin Guo, Xiaowei Liang, Zhongshan Lin
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引用次数: 23

摘要

提出了一种基于近程车载调频连续波(FMCW)雷达的合成孔径雷达系统及其处理算法。该算法针对实时高分辨率车载SAR成像,结合了波数域算法的高精度聚焦和仅利用车辆速度和角速度信息进行高精度运动补偿的优点。本文介绍了用79GHz合成孔径雷达在各种驾驶测试中收集的测量结果。结果表明,该方法可以实时生成高分辨率(0.0825 m0.0825 m)的SAR图像,检测距离为16m,适合于汽车应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implementation of Real-time Automotive SAR Imaging
This paper presents a synthetic aperture radar (SAR) system and processing algorithm for automotive applications using a short range vehicle-mounted Frequency Modulation Continuous Wave (FMCW) radar. Aiming at real-time high resolution vehicle-borne SAR imaging, the algorithm combines the advantages of the high accurate focusing of the wavenumber domain algorithms with high precision motion compensation by utilizing only the knowledge of the vehicle's velocity and angular velocity. We present measurement results collected during various driving tests with an experimental 79GHz synthetic aperture radar. The results indicate that the proposed method could produce SAR imagery of high resolution (0.0825 m0.0825 m) with detection range of 16m in real time, which is suitable for automotive applications.
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