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High-resolution 2D SAR imaging by the millimeter-wave automobile radar

机译：毫米波汽车雷达的高分辨率2D SAR成像

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Recently, many high-resolution sensors have been developed to realize autonomous car, or self-driving car, such as optical camera, LIDAR, Radar and so forth. The important capability of such sensors is maintain monitoring performance even in the bad weather condition such as dense fog, heavy rain, and snowfall as well as high-resolution performance. In this sense, the radar is promising one. The millimeter wave (MW) radar can use several GHz bandwidth, hence we can obtain centimeter order range resolution. However, a large aperture array should be required to obtain high angular resolution. This is a main drawback of the radar. To overcome this drawback we propose to use the synthetic aperture radar (SAR) technique for the automobile radar. The proposed MW-SAR technique is squint-mode SAR looking ahead aslant of the vehicle. Experimental results is also provided to demonstrate the performance of the technique.
机译：最近，已经开发了许多高分辨率传感器来实现自动驾驶汽车或自动驾驶汽车，例如光学摄像机，激光器，雷达等。这种传感器的重要能力即使在恶劣的天气状况下也保持监测性能，如密集的雾，大雨和降雪以及高分辨率性能。从这个意义上讲，雷达很有希望。毫米波（MW）雷达可以使用多个GHz带宽，因此我们可以获得厘米级级分辨率。然而，应该需要大的孔径阵列来获得高角度分辨率。这是雷达的主要缺点。为了克服这种缺点，我们建议使用用于汽车雷达的合成孔径雷达（SAR）技术。所提出的MW-SAR技术是斜视模式SAR，展望车辆的斜坡。还提供了实验结果以证明该技术的性能。

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