如何选择工程型三维扫描仪

2020-09-24

三维激光扫描仪的类型：
目前市场上销售的三维激光扫描仪按测量方式划分有三种：基于脉冲式、基于相位差和基于三角测距原理；
按用途可分为室内型和室外型。
各种三维激光扫描仪的技术特点：
基于脉冲式的三维激光扫描仪测距范围最大（几百到几公里）、而且不受环境光线影响，但单点精度较差，扫描频率较低，适合于室外和大型工程使用。
基于三角测距原理的三维激光扫描仪由于测量距离有限，受环境光影响较大，但测量精度极高、扫描频率快，适合用于室内精度要求很高的环境。
基于相位式的三维扫描仪结合了以上两种方式的优点，同时也继承了两种方式的缺点。测距范围和受环境影响程度比三角式好，精度和扫描频率比脉冲式好。

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