January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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LiDAR and active sensing systems
This section will cover active sensing systems. We have discussed many passive sensors that simply respond to environmental changes. Active sensing involves broadcasting a signal that is referenced to measure the environment either spatially or sensorily. While this area is broad, we will concentrate on LiDAR as a basis for active sensing systems.
LiDAR stands for Light Detecting and Ranging. This type of sensor measures the distance to a target by measuring a laser pulse reflection on the target. Where a PIR sensor will detect movement within a range, LiDAR is capable of measuring a range. The process was first demonstrated in the 1960s, and is now used pervasively in agriculture, automated and self-driving ...
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