However, due to the inherent defects of radar, ARPA cannot provide the precise data which is necessary for automatic collision avoidance. These defects restricted the practical appliance of automatic collision avoidance system.
然而，由于雷达固有的缺陷，ARPA系统并不能提供自动避碰所需的准确信息，从而制约了自动避碰系统的实际应用。
参考来源 - 基于AIS信息和船舶领域的几何避碰研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This thesis as part of the vision-based automatic collision avoidance system, including the image acquisition and pre-processing, is very important in resolving the issue of automobile safety.
本文作为基于视觉的汽车自动防撞系统的前端图像采集与预处理部分，在解决汽车安全性问题上具有十分重要的意义。
The research has an important value to improve the connotation of SCR, establishment of the model and the establishment of automatic decision making system of collision avoidance.
该研究对于完善碰撞危险度的内涵，建立碰撞危险度模型，及在建立自动避碰决策系统中的应用，具有重要的理论和实际应用价值。
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