2. Some considerations about lasers
When purchasing a laser scanner, technical criteria and specifications are important to ensure that the choice of instrument is adapted to the specifications of the mandates to be carried out.
2.1 Classification of laser scanners
Generally speaking, a historical classification divided instruments according to their distance-measuring technique. For surveys of structures, buildings or outdoors, there are two main families:
FLIGHT TIME ;
phase shift measurement.
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Some considerations about lasers
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