Question

Lidar Echo occurs when...

Answer 1

Explanation:

As the pulse hits a target, some of its photons reflect back and are recognised by the LiDAR device: an echo was received. Therefore, the source of an echo is a location that was hit by a pulse and from which photons were reflected. One emitted pulse can, and often does, yield multiple echoes.

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Answer 2

Answer:

when LiDAR data is not being interpreted properly.