In this paper , a multi - functions laser detection system for pavement roughness is introduced . an accurate pavement roughness information is acquired with theory of array signals processing and de - noising by wavelet in this system 本论文将阵列信号处理理论和小波降噪理论运用到路面激光传感器检测系统，较准确的恢复出路面的平整度信息。
Lms ( laser measurement system ) is calibrated by the vision system in this research , with an objection to fuse the data received by the lms and those from the ccd cameras , which is the base for the later slam work 激光测距雷达的精度较高,方向性好,在移动机器人研究中得到了广泛应用。本课题提出了一种基于双目摄像机立体视觉系统对激光传感器进行标定的算法。
2 . the design thought of annular fan beam sensor structure is presented , and array laser sensor of 15x5 fan beams structure was developed . the sensor ' s measurement sensitivity distribution and spatial resolution are analyzed and calculated 提出了环形扇束传感器结构的设计思想，并研制了15 5扇束结构的阵列式激光传感器，以及对其测量灵敏度分布和空间分辨率等性能指标进行了分析计算。
Fourthly , this paper standardizes the linear of the inductance sensor and analyzes its error . then we discuss the angle error of the laser sensor and the datum plane error of the mechanism . finally , the paper gives some advice to improve the mechanism 第四，此外，本文还对电感传感器进行了线性校正及误差分析，讨论了激光传感器倾角误差，并对机械设计中的定位结构进行了误差分析，提出了改进的措施。
Besides , the effects of the reflectivity of the objects and system itself on measurements are also analyzed in this article . it ’ s suggested that some special features of the reflectivity about certain materials can be utilized to tell distinguish different objects 针对激光传感器对不同材质、不同颜色的物体存在测量误差的情况,建立了误差补偿模式,可以为移动机器人周围环境的常用物体进行识别和分类提供相应依据。
This instrument hopes to control the step - motor regularly , and collects the datum of the distance between the laser sensor and the wall simultaneously , then calculates area according to the theory of triangle , finally sums up all the area and makes the output 本系统前向通道信号由激光传感器提供，后向通道信号发给步进电机、传感器，由于是旋转式测量，必须控制激光发射信号的通断和步进电机的步距角，否则测出的值是无法计算的。
The particular advantages of laser sensors for distance and shape measurements are which has a simple structure , a litter volume , a light weight , a high resolving power , a large wore distance , and a high accuracy . it will not be affected by magnetic field as well and can measure on line . all these enable it to make up disadvantages of contact measurement completely 激光传感器在测量物体距离和表面形貌的应用中,其显著的优点有:系统结构简单、体积小、非接触、重量轻、高分辨力、受环境电磁场影响小、工作距离大、测量准确度高、并可在线进行测量和它可以弥补接触式测量等许多缺陷。
