尽管LiDAR,全名Light Detection and Ranging,凭借其在纳米级别精度的激光脉冲扫描,被誉为自动驾驶的“视力王”,它的出现时间虽然晚于Radar和声纳,但其在40多年前就已为太空测距服务。商业应用上,LiDAR的工作原理是发射激光,测量反射回来的时间,构建三维世界地图。而Radar,使用无线电波的Radio Detection and Ranging,虽不如LiDAR精准,但具有更远的探测范围和更强的穿透能力。
参考资料:
1. LiDAR vs Radar in Autonomous Driving: A Comprehensive Analysis
2. Radar vs LiDAR: Detection, Tracking, and Imaging in the Automotive World
3. Sheeny M et al. "Radiate: A Radar Dataset for Automotive Perception," arXiv preprint arXiv:2010.09076, 2020
4. Yeong DJ et al. "Sensor and Sensor Fusion Technology in Autonomous Vehicles: A Review," Sensors, 2021