对基于SAR图像匹配定位的地形辅助惯性导航系统的原理进行了充分阐述；
The theory of terrain-aided navigation system has been presented, which is based on the matching of SAR images.
无人机航拍图像具有很高分辨率，如何提取主要特征并降低计算代价是无人机图像匹配辅助导航的主要问题。
The UAV aerial images have fine resolution. The main problem of the UAV image aided navigation is how to pick-up the main character and reduces the calculation cost.
通过我们逼真的3 - D导航系统为您提供附近地标的逼真图像，使您获得更佳的道路感知，同时我们的驾驶者辅助系统会提醒您注意附近的车辆及潜在危险。
Our 3-d navigation systems offer photorealistic images of nearby landmarks for improved route awareness while our driver assistance systems will alert you to nearby vehicles or potential hazards.
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