Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [exploring and investigating techniques]

Anotations

Scope note:

System for detecting the presence of objects or ascertaining their position or motion; works on the principle of radar, but uses laser radiation instead of microwaves. A lidar device emits intense pulses of light generated by lasers.