基于三维激光扫描法的半径测量不确定度分析

Uncertainty Analysis of Radius Measurement Based on 3D Laser Scanning

本文介绍了三维激光扫描仪三角测量式、脉冲式、相位式和脉冲-相位式四种测量原理。给出了三维激光扫描法半径测量的不确定度分析评定方法,对各影响因素来源进行分析,给出测量不确定度评定的具体方法及相应计算公式,着重分析了半径测量所引入的不确定度分量,计算得到合成半径测量不确定度分量。

Four kinds of measuring principles are introduced, which are triangular measurement, pulse, phase and pulse phase. It presents a method for analyzing and evaluating the uncertainty of 3D laser scanning method. The sources of uncertainty factors are analyzed. The specific methods and corresponding formulas for the evaluation of measurement uncertainty are given. The uncertainty components of the radius measurement are analyzed. The uncertainty components of synthetic radius measurement are calculated.