1. Sensor networks: definition and applications
A sensor (figures 1 and 2 ) is a piece of equipment that measures a physical quantity in the surrounding environment, such as temperature, humidity or vibration, and transforms it into a digital quantity that can be processed by computer. A single sensor can be used for local applications.
For example, a presence sensor will light up a lamp when a person passes by.
When equipped with a wireless communication card, the sensor can then be networked, relaying information from other sensors, thus extending their coverage, adding another dimension.
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Sensor networks: definition and applications
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Bibliography
- (1) - Harvard Sensor Network Lab - Volcano Monitoring. - http://fiji.eecs.harvard.edu/Volcano .
- (2) - KIM (S.), CULLER (D.), DEMMEL (J.) -...
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