激光扫描技术测量精确度高,抗干扰性强,无需破坏路面,在交通情况调查设备应用中可以弥补其他类别传感器的不足,是一种理想的交通检测方法。阐述了激光扫描检测技术的原理,结合测试的原始数据介绍了检测的工作方式及流程,说明激光传感器的特点和优势,并指出了存在的问题和改进方向。 Laser scanning technology has the advantages of high measurement accuracy, strong anti-interference ability and no need to damage the road surface. It can make up for the deficiencies of other types of sensors in the application of traffic investigation equipment. It is an ideal traffic detection method. The principle of laser scanning detection technology is expounded. The working mode and flow of detection are introduced based on the original data. The characteristics and advantages of the laser sensor are described. The existing problems and the direction of improvement are also pointed out.